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FM33L013

FM33L013

  • 厂商:

    FUDANMICRO(复旦微电子)

  • 封装:

    QFN32_5X5MM_EP

  • 描述:

  • 数据手册
  • 价格&库存
FM33L013 数据手册
FM33L0 系列 低功耗 MCU 芯片 产品说明书 2019. 04 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 1 本资料是为了让用户根据用途选择合适的上海复旦微电子集团股份有限公司(以下简称复旦微电子)的产品而提供的参考资料,不 转让属于复旦微电子或者第三者所有的知识产权以及其他权利的许可。 在使用本资料所记载的信息最终做出有关信息和产品是否适用的判断前,请您务必将所有信息作为一个整体系统来进行评价。 采购方对于选择与使用本文描述的复旦微电子的产品和服务全权负责,复旦微电子不承担采购方选择与使用本文描述的产品和服务 的责任。除非以书面形式明确地认可,复旦微电子的产品不推荐、不授权、不担保用于包括军事、航空、航天、救生及生命维持系 统在内的,由于失效或故障可能导致人身伤亡、严重的财产或环境损失的产品或系统中。 未经复旦微电子的许可,不得翻印或者复制全部或部分本资料的内容。 今后日常的产品更新会在适当的时候发布,恕不另行通知。在购买本资料所记载的产品时,请预先向复旦微电子在当地的销售办事 处确认最新信息,并请您通过各种方式关注复旦微电子公布的信息,包括复旦微电子的网站(http://www.fmsh.com/)。 如果您需要了解有关本资料所记载的信息或产品的详情,请与上海复旦微电子集团股份有限公司在当地的销售办事处联系。 商标 上海复旦微电子集团股份有限公司的公司名称、徽标以及“复旦”徽标均为上海复旦微电子集团股份有限公司及其分公司在中国的商标 或注册商标。 上海复旦微电子集团股份有限公司在中国发布,版权所有。 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 2 章节列表 章节列表 章节列表 ............................................................................................................................................................................... 3 表目录 ................................................................................................................................................................................. 17 图目录 ................................................................................................................................................................................. 19 1 产品综述 ..................................................................................................................................................................... 24 1.1 概述 ............................................................................................................................................................................. 24 1.2 结构框图 ..................................................................................................................................................................... 26 1.3 产品型号列表 ............................................................................................................................................................. 26 1.4 引脚和封装定义 ......................................................................................................................................................... 28 1.4.1 LQFP64 ..................................................................................................................................................................... 28 1.4.2 LQFP48 ..................................................................................................................................................................... 29 1.4.3 QFN32 ...................................................................................................................................................................... 30 1.4.4 TSSOP20................................................................................................................................................................... 31 1.4.5 引脚功能定义 ..................................................................................................................................................... 32 1.4.1 功能引脚分布 ..................................................................................................................................................... 37 1.4.2 封装尺寸图 ......................................................................................................................................................... 40 2 电参数 ......................................................................................................................................................................... 47 2.1 参数说明 ..................................................................................................................................................................... 47 2.2 参数测试条件 ............................................................................................................................................................. 47 2.2.1 供电方案 ............................................................................................................................................................. 47 2.3 极限参数 ..................................................................................................................................................................... 48 2.4 性能参数 ..................................................................................................................................................................... 49 2.4.1 典型工作条件 ..................................................................................................................................................... 49 2.4.2 功耗参数 ............................................................................................................................................................. 50 2.4.3 复位和电源监控 ................................................................................................................................................. 58 2.4.4 高精度基准源 ..................................................................................................................................................... 59 2.4.5 低功耗模式唤醒时间 ......................................................................................................................................... 62 2.4.6 外部时钟源特性 ................................................................................................................................................. 63 2.4.7 内部时钟源特性 ................................................................................................................................................. 64 2.4.8 PLL 特性 .................................................................................................................................................................. 67 2.4.9 ADC 特性 ................................................................................................................................................................. 68 2.4.10 温度传感器 ......................................................................................................................................................... 72 2.4.11 运算放大器特性 ................................................................................................................................................. 73 2.4.12 Flash 存储器特性 ............................................................................................................................................... 75 2.4.13 GPIO 特性............................................................................................................................................................ 76 2.4.14 LCD 特性 .............................................................................................................................................................. 79 3 电源管理单元(PMU) .............................................................................................................................................. 81 3.1 芯片工作电源 ............................................................................................................................................................. 81 3.1.1 电源域划分 ......................................................................................................................................................... 81 3.1.2 电源结构图 ......................................................................................................................................................... 82 3.1.3 ADC 和基准电压的独立供电 ................................................................................................................................. 82 3.1.4 片内高精度基准源(VREF1p2) ....................................................................................................................... 83 3.2 功耗模式 ..................................................................................................................................................................... 84 3.2.1 概述 ..................................................................................................................................................................... 84 3.2.2 功耗模式与系统频率 ......................................................................................................................................... 85 3.2.3 Active 模式 .............................................................................................................................................................. 86 3.2.4 LP Active 模式 ......................................................................................................................................................... 86 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 3 章节列表 3.2.5 LP Run 模式 ............................................................................................................................................................. 87 3.2.6 SLEEP 模式 .............................................................................................................................................................. 87 3.2.7 DEEPSLEEP 模式 ...................................................................................................................................................... 88 3.3 唤醒源 ......................................................................................................................................................................... 90 3.4 休眠唤醒后的时钟 ..................................................................................................................................................... 91 3.5 寄存器 ......................................................................................................................................................................... 92 3.5.1 低功耗控制寄存器(PMU_CR) ....................................................................................................................... 92 3.5.2 唤醒时间控制寄存器(PMU_WKTR) ............................................................................................................. 93 3.5.3 唤醒源标志查询寄存器(PMU_WKFR) ......................................................................................................... 94 3.5.4 PMU 中断使能寄存器(PMU_IER) ..................................................................................................................... 95 3.5.5 PMU 中断标志寄存器(PMU_ISR) ..................................................................................................................... 95 3.5.6 VREF1p22 控制寄存器(PMU_VREF_CR) ........................................................................................................... 96 3.5.7 VREF1p22 标志寄存器(PMU_VREF_SR) ............................................................................................................ 97 3.5.8 VREF1p22 中断使能寄存器(PMU_VREF_IER) ................................................................................................... 97 3.5.9 模拟 BUFFER 控制寄存器(PMU_BUF_CR) .................................................................................................... 98 4 处理器(CPU) ........................................................................................................................................................... 99 4.1 概述 ............................................................................................................................................................................. 99 4.1.1 处理器配置 ......................................................................................................................................................... 99 4.2 寄存器 .......................................................................................................................................................................100 4.3 异常和中断 ...............................................................................................................................................................101 4.3.1 中断向量表 .......................................................................................................................................................101 4.3.2 中断优先级 .......................................................................................................................................................102 4.3.3 错误处理 ...........................................................................................................................................................102 4.3.4 锁定(Lockup)................................................................................................................................................103 4.4 调试特性 ...................................................................................................................................................................104 4.4.1 调试功能引脚 ...................................................................................................................................................104 4.4.2 调试状态下的看门狗控制 ...............................................................................................................................104 4.4.3 DEBUG 的复位 ......................................................................................................................................................104 4.5 寄存器 .......................................................................................................................................................................105 4.5.1 DEBUG 配置寄存器(DBG_CR) .........................................................................................................................105 4.5.2 HardFault 查询寄存器(DBG_HDFR) ................................................................................................................106 5 总线与存储(BUS AND MEMORY) ......................................................................................................................... 108 5.1 系统总线 ...................................................................................................................................................................108 5.2 存储空间分配 ...........................................................................................................................................................110 5.2.1 概述 ...................................................................................................................................................................110 5.2.1 外设模块寄存器地址分配 ...............................................................................................................................112 5.3 RAM ...........................................................................................................................................................................113 5.4 FLASH...........................................................................................................................................................................114 5.4.1 Flash 读取 .............................................................................................................................................................114 5.4.2 Flash 编程 .............................................................................................................................................................114 5.4.3 启动区交换(BootSwap) ...............................................................................................................................117 5.4.4 Flash 的内容保护..................................................................................................................................................119 5.5 NVR6 ..........................................................................................................................................................................122 5.6 NVR5 ..........................................................................................................................................................................123 5.7 NVR4 ..........................................................................................................................................................................125 5.8 NVR3 ..........................................................................................................................................................................125 5.9 NVR2/1/0 ...................................................................................................................................................................125 5.10 寄存器 .......................................................................................................................................................................126 5.10.1 Flash 读取控制寄存器(FLS_RDCR) .............................................................................................................126 5.10.2 用户配置字寄存器(FLS_OPTBR) .................................................................................................................127 5.10.3 ACLOCK 寄存器(FLS_ACLOCK) .....................................................................................................................127 5.10.4 Flash 擦写控制寄存器(FLS_EPCR) ..............................................................................................................128 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 4 章节列表 5.10.5 5.10.6 5.10.7 6 Flash Key 输入寄存器(FLS_KEY) ..................................................................................................................129 Flash 中断使能寄存器(FLS_IER) .................................................................................................................129 Flash 标志寄存器(FLS_ISR) .........................................................................................................................130 复位管理单元(RCC-RMU) ..................................................................................................................................... 131 6.1 概述 ...........................................................................................................................................................................131 6.2 模块框图 ...................................................................................................................................................................132 6.3 上下电复位 ...............................................................................................................................................................133 6.4 独立看门狗(IWDT) .............................................................................................................................................134 6.4.1 概述 ...................................................................................................................................................................134 6.4.2 结构框图 ...........................................................................................................................................................134 6.4.3 IWDT 功能描述 .....................................................................................................................................................134 6.4.4 IWDT 窗口功能 .....................................................................................................................................................135 6.5 窗口看门狗(WWDT)复位 ..................................................................................................................................136 6.5.1 功能描述 ...........................................................................................................................................................136 6.5.2 WWDT 工作方式...................................................................................................................................................136 6.6 软件复位 ...................................................................................................................................................................139 6.7 NRST 引脚复位 ..........................................................................................................................................................139 6.8 寄存器 .......................................................................................................................................................................140 6.8.1 PDR 控制寄存器(PDR_CR) ..............................................................................................................................140 6.8.2 BOR 控制寄存器(BOR_CR) ..............................................................................................................................141 6.8.3 LOCKUP 复位控制寄存器(LKP_CR) .................................................................................................................142 6.8.4 软件复位寄存器(SOFTRST) .........................................................................................................................142 6.8.5 复位标志寄存器(RSTFR) .............................................................................................................................143 6.8.6 IWDT 清除寄存器(IWDT_SERV) ......................................................................................................................143 6.8.7 IWDT 配置寄存器(IWDT_CR) ..........................................................................................................................144 6.8.8 IWDT 计数值寄存器(IWDT_CNT) ....................................................................................................................144 6.8.1 IWDT 窗口寄存器(IWDT_WIN) .......................................................................................................................145 6.8.1 IWDT 状态寄存器(IWDT_SR) ..........................................................................................................................145 6.8.2 WWDT 控制寄存器(WWDT_CR) .....................................................................................................................146 6.8.3 WWDT 配置寄存器(WWDT_CFGR) .................................................................................................................146 6.8.4 WWDT 计数值寄存器(WWDT_CNT) ...............................................................................................................147 6.8.5 WWDT 中断使能寄存器(WWDT_IER) ............................................................................................................147 6.8.6 WWDT 中断标志寄存器(WWDT_ISR) ............................................................................................................148 6.8.7 WWDT 预分频寄存器(WWDT_PSC) ...............................................................................................................148 6.8.8 外设复位使能寄存器(PRST_EN) .................................................................................................................149 6.8.9 AHB 外设复位寄存器(AHBRST_CR) ................................................................................................................149 6.8.10 APB 外设复位寄存器 1(APBRST_CR1) ........................................................................................................150 6.8.11 APB 外设复位寄存器 2(APBRST_CR2) ........................................................................................................151 7 时钟管理单元(RCC-CMU) ..................................................................................................................................... 154 7.1 概述 ...........................................................................................................................................................................154 7.2 时钟树结构 ...............................................................................................................................................................156 7.2.1 主要时钟说明 ...................................................................................................................................................157 7.2.2 外设模块的总线时钟和工作时钟 ...................................................................................................................157 7.2.3 系统时钟(SYSCLK)选择 ................................................................................................................................158 7.2.4 休眠模式下的外设时钟 ...................................................................................................................................159 7.3 高频 RC 振荡器(RCHF) ..............................................................................................................................................160 7.3.1 概述 ...................................................................................................................................................................160 7.3.2 软件使用说明 ...................................................................................................................................................160 7.4 中频 RC 振荡器(RC4M) .............................................................................................................................................161 7.4.1 概述 ...................................................................................................................................................................161 7.4.2 RC4M 的使用 ........................................................................................................................................................161 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 5 章节列表 7.5 低功耗 RC 振荡器(RCLP)...........................................................................................................................................162 7.5.1 概述 ...................................................................................................................................................................162 7.5.2 RCLP 的使用 ..........................................................................................................................................................162 7.6 低频晶体振荡电路(XTLF) .........................................................................................................................................163 7.6.1 概述 ...................................................................................................................................................................163 7.6.2 工作方式 ...........................................................................................................................................................163 7.6.3 停振检测 ...........................................................................................................................................................163 7.7 高频晶体振荡电路(XTHF).........................................................................................................................................164 7.7.1 概述 ...................................................................................................................................................................164 7.7.2 工作方式 ...........................................................................................................................................................164 7.7.3 停振检测 ...........................................................................................................................................................164 7.8 锁相环(PLL) ...............................................................................................................................................................165 7.8.1 概述 ...................................................................................................................................................................165 7.8.2 应用注意 ...........................................................................................................................................................165 7.9 低功耗模式下的时钟源 ...........................................................................................................................................166 7.10 休眠唤醒的时钟处理 ...............................................................................................................................................166 7.11 寄存器 .......................................................................................................................................................................167 7.11.1 停振检测中断使能寄存器(FDET_IER) ........................................................................................................167 7.11.2 停振检测中断标志寄存器(FDET_ISR) ........................................................................................................168 7.11.3 系统时钟控制寄存器(SYSCLK_CR)..............................................................................................................169 7.11.4 RCHF 控制寄存器(RCHF_CR) .......................................................................................................................170 7.11.5 RC4M 调校寄存器(RC4M_TR).....................................................................................................................171 7.11.6 PLL 控制寄存器(PLL_CR) .............................................................................................................................171 7.11.7 RCLP 控制寄存器(RCLP_CR) ........................................................................................................................172 7.11.8 RCLP 调校寄存器(RCLP_TR) ........................................................................................................................173 7.11.9 XTLF 控制寄存器(XTLF_CR) .........................................................................................................................173 7.11.10 XTHF 控制寄存器(XTHF_CR) .......................................................................................................................174 7.11.11 RC4M 控制寄存器(RC4M_CR) ....................................................................................................................175 7.11.12 RCHF 调校寄存器(RCHF_TR) .......................................................................................................................175 7.11.13 外设总线时钟控制寄存器 1(PCLK_CR1) ................................................................................................176 7.11.14 外设总线时钟控制寄存器 2(PCLK_CR2) ................................................................................................176 7.11.15 外设总线时钟控制寄存器 3(PCLK_CR3) ................................................................................................177 7.11.16 外设总线时钟控制寄存器 4(PCLK_CR4) ................................................................................................178 7.11.17 外设工作时钟控制寄存器 1(OPC_CR1) .................................................................................................179 7.11.18 外设工作时钟控制寄存器 2(OPC_CR2) .................................................................................................180 7.11.19 AHB Master 控制寄存器(AHBM_CR) ..........................................................................................................181 8 电源电压监测(SVD) .............................................................................................................................................. 183 8.1 概述 ...........................................................................................................................................................................183 8.2 模块框图 ...................................................................................................................................................................183 8.3 功能描述 ...................................................................................................................................................................185 8.3.1 电源检测 ...........................................................................................................................................................185 8.3.2 外部电压检测 ...................................................................................................................................................186 8.3.3 检测阈值 ...........................................................................................................................................................187 8.4 寄存器 .......................................................................................................................................................................191 8.4.1 SVD 配置寄存器(SVD_CFGR) ...........................................................................................................................191 8.4.2 SVD 控制寄存器(SVD_CR) ...............................................................................................................................192 8.4.3 SVD 中断使能寄存器(SVD_IER) ......................................................................................................................192 8.4.4 SVD 状态和标志寄存器(SVD_ISR) ..................................................................................................................193 8.4.5 SVD 参考电压选择寄存器(SVD_VSR) .............................................................................................................193 9 AES 硬件运算单元 ..................................................................................................................................................... 195 9.1 功能描述 ...................................................................................................................................................................195 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 6 章节列表 9.2 工作模式 ...................................................................................................................................................................195 9.3 AES 数据流处理模式 ................................................................................................................................................196 9.3.1 ECB 模式 ................................................................................................................................................................196 9.3.2 CBC 模式................................................................................................................................................................197 9.3.3 暂停模式 ...........................................................................................................................................................199 9.3.4 CTR 模式 ................................................................................................................................................................200 9.3.5 CTR 模式下的暂停模式 ........................................................................................................................................201 9.3.6 GCM 模式 ..............................................................................................................................................................201 9.3.7 MultH 模块 ............................................................................................................................................................204 9.3.8 推荐的 GCM 流程 .............................................................................................................................................205 9.4 数据类型 ...................................................................................................................................................................206 9.5 工作流程 ...................................................................................................................................................................208 9.5.1 模式 1:加密 ....................................................................................................................................................208 9.5.2 模式 2:密钥扩展 ............................................................................................................................................208 9.5.3 模式 3:解密 ....................................................................................................................................................209 9.5.4 模式 4:密钥扩展+解密 ..................................................................................................................................210 9.5.5 使用 MultH 模块 ...............................................................................................................................................210 9.6 DMA 接口 ..................................................................................................................................................................212 9.6.1 MultH 模块与 DMA 间接口 ..................................................................................................................................212 9.7 错误标志 ...................................................................................................................................................................213 9.8 寄存器 .......................................................................................................................................................................214 9.8.1 AES 控制寄存器(AES_CR) ................................................................................................................................214 9.8.2 AES 中断使能寄存器(AES_IER) .......................................................................................................................216 9.8.3 AES 中断标志寄存器(AES_ISR) .......................................................................................................................216 9.8.4 AES 数据输入寄存器(AES_DIR) ......................................................................................................................217 9.8.5 AES 数据输出寄存器(AES_DOR) .....................................................................................................................217 9.8.6 AES 秘钥寄存器(AES_KEYx).............................................................................................................................218 9.8.7 AES 初始向量寄存器(AES_IVRx) .....................................................................................................................218 10 随机数发生器(RNG) ......................................................................................................................................... 220 10.1 概述 ...........................................................................................................................................................................220 10.2 功能描述 ...................................................................................................................................................................220 10.2.1 随机数产生 .......................................................................................................................................................220 10.2.1 工作时钟 ...........................................................................................................................................................221 10.2.2 随机数读取 .......................................................................................................................................................221 10.2.3 CRC 运算 ...........................................................................................................................................................221 10.3 寄存器 .......................................................................................................................................................................222 10.3.1 随机数控制寄存器(RNG_CR) .....................................................................................................................222 10.3.2 随机数/CRC 结果输出寄存器(RNG_DOR) ..................................................................................................222 10.3.3 RNG 标志寄存器(RNG_SR)..........................................................................................................................223 10.3.4 CRC 控制寄存器(RNG_CRC_CR) ..................................................................................................................223 10.3.5 CRC 输入数据寄存器(RNG_CRC_DIR) .........................................................................................................224 10.3.1 CRC 标志寄存器(RNG_CRC_SR) ..................................................................................................................224 11 运算放大器(OPA) ............................................................................................................................................. 226 11.1 概述 ...........................................................................................................................................................................226 11.2 结构框图 ...................................................................................................................................................................227 11.3 引脚定义 ...................................................................................................................................................................229 11.4 功能描述 ...................................................................................................................................................................230 11.4.1 Standalone 模式................................................................................................................................................230 11.4.2 比较器模式 .......................................................................................................................................................230 11.4.3 Buffer 模式 ........................................................................................................................................................232 11.4.4 PGA 模式 ...........................................................................................................................................................232 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 7 章节列表 11.4.5 Offset 校准 ........................................................................................................................................................234 11.4.6 低功耗比较器 ...................................................................................................................................................234 11.4.7 中断及触发信号输出 .......................................................................................................................................235 11.4.8 低功耗模式下的 OPA .......................................................................................................................................235 11.5 寄存器 .......................................................................................................................................................................236 11.5.1 OPA1 控制寄存器(OPA1_CR) ......................................................................................................................236 11.5.2 OPA1 校准寄存器(OPA1_CALR) ..................................................................................................................237 11.5.3 OPA1 中断使能寄存器(OPA1_IER) .............................................................................................................238 11.5.4 OPA1 中断标志寄存器(OPA1_ISR)..............................................................................................................239 11.5.5 OPA2 控制寄存器(OPA2_CR) ......................................................................................................................239 11.5.6 OPA2 校准寄存器(OPA2_CALR) ..................................................................................................................240 11.5.1 OPA2 中断使能寄存器(OPA2_IER) .............................................................................................................241 11.5.2 OPA2 中断标志寄存器(OPA2_ISR)..............................................................................................................242 12 I2C .............................................................................................................................................................................. 243 12.1 概述 .......................................................................................................................................................................243 12.2 结构框图 ...................................................................................................................................................................243 12.3 引脚定义 ...................................................................................................................................................................244 12.4 时钟结构 ...................................................................................................................................................................244 12.5 接口时序 ...................................................................................................................................................................245 12.5.1 接口时序图 .......................................................................................................................................................245 12.5.2 接口时序描述 ...................................................................................................................................................246 12.6 I2C 工作模式 ..............................................................................................................................................................248 12.7 I2C 从机地址格式 ......................................................................................................................................................248 12.8 I2C 初始化 ..................................................................................................................................................................249 12.8.1 IO 配置 ..............................................................................................................................................................249 12.8.2 主机波特率配置 ...............................................................................................................................................249 12.8.3 从机的输入模拟滤波和输出延迟 ...................................................................................................................250 12.9 I2C 主机功能 ..............................................................................................................................................................251 12.9.1 7bit 寻址 ...........................................................................................................................................................251 12.9.2 10bit 寻址 .........................................................................................................................................................256 12.9.3 DMA ..................................................................................................................................................................259 12.9.4 SCL 延展(Slave Clock Stretching) .................................................................................................................263 12.9.5 超时机制 ...........................................................................................................................................................263 12.9.6 可编程时序和波特率发生 ...............................................................................................................................263 12.10 I2C 从机功能 .........................................................................................................................................................265 12.10.1 从机寻址.......................................................................................................................................................265 12.10.1 从机发送数据 ...............................................................................................................................................265 12.10.2 从机接收数据 ...............................................................................................................................................266 12.10.3 从机低功耗接收唤醒 ...................................................................................................................................268 12.10.4 DMA ..................................................................................................................................................................268 12.10.5 从机时序.......................................................................................................................................................271 12.11 寄存器 ...................................................................................................................................................................273 12.11.1 I2C 主机配置寄存器(I2C_MSP_CFGR) ........................................................................................................273 12.11.2 I2C 主机控制寄存器(I2C_MSP_CR) ............................................................................................................274 12.11.3 I2C 主机中断使能寄存器(I2C_MSP_IER)....................................................................................................275 12.11.4 I2C 主机中断标志寄存器(I2C_MSP_ISR) ....................................................................................................276 12.11.5 I2C 主机状态寄存器(I2C_MSP_SR).............................................................................................................276 12.11.6 I2C 主机波特率寄存器(I2C_MSP_BGR) ......................................................................................................277 12.11.7 I2C 主机收发缓存寄存器(I2C_MSP_BUF) ..................................................................................................278 12.11.8 I2C 主机时序控制寄存器(I2C_MSP_TCR)...................................................................................................278 12.11.9 I2C 主机超时寄存器(I2C_MSP_TOR) ..........................................................................................................279 12.11.10 I2C 从机控制寄存器(I2C_SSP_CR) ..........................................................................................................279 12.11.11 I2C 从机中断使能寄存器(I2C_SSP_IER) .................................................................................................280 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 8 章节列表 12.11.12 12.11.13 12.11.14 12.11.15 13 I2C 从机中断标志寄存器(I2C_SSP_ISR) .................................................................................................281 I2C 从机状态寄存器(I2C_SSP_SR) ..........................................................................................................282 I2C 从机收发缓存寄存器(I2C_SSP_BUF) ...............................................................................................283 I2C 从机地址寄存器(I2C_SSP_ADR) .......................................................................................................283 UART .......................................................................................................................................................................... 285 13.1 概述 ...........................................................................................................................................................................285 13.2 结构框图 ...................................................................................................................................................................286 13.3 引脚定义 ...................................................................................................................................................................287 13.4 UART 类型区分 .........................................................................................................................................................288 13.5 UART 字符描述 .........................................................................................................................................................288 13.6 功能描述 ...................................................................................................................................................................289 13.6.1 时钟结构 ...........................................................................................................................................................289 13.6.2 位接收采样 .......................................................................................................................................................289 13.6.3 数据发送 ...........................................................................................................................................................290 13.6.4 数据接收 ...........................................................................................................................................................292 13.6.5 低功耗休眠唤醒(UART0/1).........................................................................................................................293 13.6.6 使用 DMA 进行 UART 收发 ..............................................................................................................................293 13.6.7 DMA 模式下的发送完成中断 ..........................................................................................................................294 13.7 波特率发生 ...............................................................................................................................................................295 13.7.1 波特率发生 .......................................................................................................................................................295 13.7.2 波特率自适应 ...................................................................................................................................................296 13.8 红外调制 ...................................................................................................................................................................296 13.9 接收超时 ...................................................................................................................................................................298 13.10 发送延迟 ...............................................................................................................................................................298 13.11 寄存器 ...................................................................................................................................................................299 13.11.1 红外调制寄存器(UART_IRCR) .................................................................................................................300 13.11.2 UARTx 控制状态寄存器(UARTx_CSR) .........................................................................................................300 13.11.3 UARTx 中断使能寄存器(UARTx_IER) ..........................................................................................................302 13.11.4 UARTx 中断标志寄存器(UARTx_ISR) ..........................................................................................................302 13.11.5 UARTx 超时和延迟寄存器(UARTx_TODR) ..................................................................................................303 13.11.6 UARTx 接收缓冲寄存器(UARTx_RXBUF).....................................................................................................304 13.11.7 UARTx 发送缓冲寄存器(UARTx_TXBUF) .....................................................................................................304 13.11.8 UATRx 波特率产生寄存器(UARTx_BGR) .....................................................................................................305 14 LPUART ...................................................................................................................................................................... 306 14.1 概述 ...........................................................................................................................................................................306 14.2 结构框图 ...................................................................................................................................................................307 14.3 引脚定义 ...................................................................................................................................................................308 14.4 工作时钟 ...................................................................................................................................................................309 14.5 字符描述 ...................................................................................................................................................................310 14.6 功能描述 ...................................................................................................................................................................311 14.6.1 接收流程 ...........................................................................................................................................................311 14.6.2 发送流程 ...........................................................................................................................................................311 14.6.3 使用 DMA 进行 LPUART 收发 ..........................................................................................................................311 14.6.4 调制寄存器建议配置 .......................................................................................................................................312 14.6.5 休眠模式下的数据接收唤醒 ...........................................................................................................................312 14.6.6 LPRUN 模式下的数据 DMA 收发 .....................................................................................................................312 14.6.7 DMA 模式下的发送完成中断 ..........................................................................................................................313 14.7 寄存器 .......................................................................................................................................................................314 14.7.1 LPUARTx 控制状态寄存器(LPUARTx_CSR) ..................................................................................................314 14.7.2 LPUARTx 中断使能寄存器(LPUARTx _IER) ..................................................................................................316 LPUARTx 中断标志寄存器(LPUARTx _ISR) ...................................................................................................................316 14.7.3 LPUARTx 波特率调制寄存器(LPUARTx _BMR) ...........................................................................................317 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 9 章节列表 14.7.4 14.7.5 14.7.6 15 LPUARTx 接收缓冲寄存器(LPUARTx _RXBUF) ............................................................................................318 LPUARTx 发送缓冲寄存器(LPUARTx _TXBUF) ............................................................................................318 LPUARTx 数据匹配寄存器(LPUARTx _DMR) ...............................................................................................319 SPI .............................................................................................................................................................................. 320 15.1 概述 ...........................................................................................................................................................................320 15.2 结构框图 ...................................................................................................................................................................321 15.3 引脚定义 ...................................................................................................................................................................322 15.4 接口时序 ...................................................................................................................................................................322 15.4.1 CPHA=0 ..............................................................................................................................................................322 15.4.2 CPHA=1 ..............................................................................................................................................................323 15.4.3 4 线半双工模式(主机) ................................................................................................................................323 15.5 功能描述 ...................................................................................................................................................................326 15.5.1 I/O 配置.............................................................................................................................................................326 15.5.2 全双工数据通信 ...............................................................................................................................................327 15.5.3 TX-ONLY 模式 ....................................................................................................................................................328 15.5.4 RX-ONLY 模式 ....................................................................................................................................................328 15.5.5 主机 SSN 控制...................................................................................................................................................328 15.5.6 数据冲突 ...........................................................................................................................................................329 15.5.7 使用 DMA 进行 SPI 收发 ..................................................................................................................................329 15.6 寄存器 .......................................................................................................................................................................331 15.6.1 SPIx 控制寄存器 1(SPIx_CR1) .....................................................................................................................331 15.6.2 SPIx 控制寄存器 2(SPIx_CR2) .....................................................................................................................332 15.6.3 SPIx 控制寄存器 3(SPIx_CR3) .....................................................................................................................334 15.6.4 SPIx 中断使能寄存器(SPIx_IER) ..................................................................................................................334 15.6.5 SPIx 中断状态寄存器(SPIx_ISR) ..................................................................................................................335 15.6.6 SPIx 发送数据缓冲寄存器(SPIx_TXBUF) ....................................................................................................336 15.6.7 SPIx 接收缓冲寄存器(SPIx_RXBUF) ............................................................................................................336 智能卡接口(ISO7816) ....................................................................................................................................... 337 16 16.1 概述 ...........................................................................................................................................................................337 16.2 结构框图 ...................................................................................................................................................................338 16.3 接口时序 ...................................................................................................................................................................339 16.4 功能描述 ...................................................................................................................................................................340 16.4.1 数据接收 ...........................................................................................................................................................340 16.4.2 数据发送 ...........................................................................................................................................................340 16.4.3 使用 DMA 进行 7816 收发 ...............................................................................................................................342 16.5 寄存器 .......................................................................................................................................................................343 16.5.1 U7816 控制寄存器(U7816_CR) ..................................................................................................................343 16.5.2 U7816 帧格式寄存器(U7816_FFR) .............................................................................................................344 16.5.3 U7816 额外保护时间寄存器(U7816_EGTR) ..............................................................................................345 16.5.4 U7816 工作时钟分频寄存器(U7816_PSC) .................................................................................................346 16.5.5 U7816 波特率寄存器(U7816_BGR) ............................................................................................................346 16.5.6 U7816 数据接收缓存寄存器(U7816_RXBUF) ............................................................................................347 16.5.7 U7816 数据发送缓存寄存器(U7816_TXBUF) ............................................................................................347 16.5.8 U7816 中断使能寄存器(U7816_IER) ..........................................................................................................348 16.5.9 U7816 中断状态标志寄存器(U7816_ISR) ..................................................................................................348 17 DMA .......................................................................................................................................................................... 350 17.1 17.2 17.3 17.4 17.5 概述 ...........................................................................................................................................................................350 工作原理 ...................................................................................................................................................................351 结构框图 ...................................................................................................................................................................352 工作流程 ...................................................................................................................................................................353 访问带宽 ...................................................................................................................................................................354 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 10 章节列表 17.6 通道控制 ...................................................................................................................................................................355 17.6.1 DMA 请求映射 ..................................................................................................................................................355 17.6.2 通道优先级 .......................................................................................................................................................356 17.6.3 传输方向定义 ...................................................................................................................................................356 17.6.4 循环模式 ...........................................................................................................................................................356 17.7 寄存器 .......................................................................................................................................................................357 17.7.1 DMA 全局控制寄存器(DMA_GCR) .............................................................................................................357 17.7.2 通道 x 控制寄存器(DMA_CHx_CR) .............................................................................................................358 17.7.3 通道 x 存储器指针寄存器(DMA_CHx_MAD) .............................................................................................359 17.7.4 通道 7 控制寄存器(DMA_CH7_CR) ............................................................................................................360 17.7.5 通道 7 Flash 地址寄存器(DMA_CH7_FLSAD) .............................................................................................361 17.7.6 通道 7 RAM 地址寄存器(DMA_CH7_RAMAD) ...........................................................................................361 17.7.7 DMA 通道中断状态标志寄存器(DMA_ISR) ...............................................................................................362 18 CRC ............................................................................................................................................................................ 363 18.1 概述 ...........................................................................................................................................................................363 18.2 软件配置过程 ...........................................................................................................................................................364 18.3 GOLDEN 数据 ..............................................................................................................................................................365 18.4 DMA 接口 ..................................................................................................................................................................365 18.5 FLASH 数据完整性校验 ..............................................................................................................................................366 18.6 寄存器 .......................................................................................................................................................................367 18.6.1 CRC 数据寄存器(CRC_DR) ...........................................................................................................................367 18.6.2 CRC 控制状态寄存器(CRC_CR) ...................................................................................................................368 18.6.3 CRC LFSR 寄存器(CRC_LFSR)........................................................................................................................369 18.6.4 CRC 输出异或寄存器(CRC_XOR) .................................................................................................................369 18.6.5 CRC Flash 校验控制寄存器(CRC_FLS_CR) ...................................................................................................370 18.6.6 CRC Flash 校验起始地址(CRC_FLS_AD) ......................................................................................................370 18.6.7 CRC Flash 校验数据长度(CRC_FLS_SIZE) ....................................................................................................371 18.6.8 CRC 多项式寄存器(CRC_POLY) ...................................................................................................................371 19 高级定时器(ATIM) ............................................................................................................................................ 372 19.1 概述 ...........................................................................................................................................................................372 19.2 主要特性 ...................................................................................................................................................................372 19.3 结构框图 ...................................................................................................................................................................373 19.4 功能描述 ...................................................................................................................................................................374 19.4.1 定时单元 ...........................................................................................................................................................374 19.4.2 定时器工作模式 ...............................................................................................................................................376 19.4.3 重复计数器 .......................................................................................................................................................383 19.4.4 Preload 寄存器 .................................................................................................................................................383 19.4.5 计数器工作时钟 ...............................................................................................................................................384 19.4.6 内部触发信号(ITRx) ....................................................................................................................................389 19.4.7 捕捉/比较通道 .................................................................................................................................................389 19.4.8 输入捕捉模式 ...................................................................................................................................................391 19.4.9 软件 Force 输出 ................................................................................................................................................393 19.4.10 输出比较模式 ...............................................................................................................................................393 19.4.11 PWM 输出 .........................................................................................................................................................394 19.4.12 互补输出和死区插入 ...................................................................................................................................395 19.4.13 刹车功能.......................................................................................................................................................396 19.4.14 6-step PWM 输出 ..............................................................................................................................................398 19.4.15 单脉冲输出...................................................................................................................................................399 19.4.16 外部事件清除 OCxREF .................................................................................................................................401 19.4.17 编码器接口模式(encoder interface) .......................................................................................................401 19.4.18 TIM 从机模式 ...................................................................................................................................................402 19.4.19 定时器同步...................................................................................................................................................405 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 11 章节列表 19.4.20 DMA 访问..........................................................................................................................................................405 19.4.21 DMA Burst .........................................................................................................................................................406 19.4.22 输入异或功能 ...............................................................................................................................................407 19.4.23 Debug 模式 .......................................................................................................................................................407 19.5 寄存器 .......................................................................................................................................................................408 19.5.1 ATIM 控制寄存器 1(ATIM_CR1) ..................................................................................................................408 19.5.2 ATIM 控制寄存器 2(ATIM_CR2) ..................................................................................................................410 19.5.3 ATIM 从机模式控制寄存器(ATIM_SMCR) ..................................................................................................411 19.5.4 ATIM DMA 和中断使能寄存器(ATIM_DIER) ...............................................................................................413 19.5.5 ATIM 中断标志寄存器(ATIM_ISR) ..............................................................................................................414 19.5.6 ATIM 事件产生寄存器(ATIM_EGR) .............................................................................................................416 19.5.7 ATIM 捕捉/比较模式寄存器 1(ATIM_CCMR1) ...........................................................................................416 19.5.8 ATIM 捕捉/比较模式寄存器 2(ATIM_CCMR2) ...........................................................................................419 19.5.9 ATIM 捕捉/比较使能寄存器(ATIM_CCER) ..................................................................................................421 19.5.10 ATIM 计数器寄存器(ATIM_CNT) .................................................................................................................423 19.5.11 ATIM 预分频寄存器(ATIM_PSC) .................................................................................................................423 19.5.12 ATIM 自动重载寄存器(ATIM_ARR) .............................................................................................................424 19.5.13 ATIM 重复计数寄存器(ATIM_RCR) .............................................................................................................424 19.5.14 ATIM 捕捉/比较寄存器 1(ATIM_CCR1) ......................................................................................................425 19.5.15 ATIM 捕捉/比较寄存器 2(ATIM_CCR2) ......................................................................................................425 19.5.16 ATIM 捕捉/比较寄存器 3(ATIM_CCR3) ......................................................................................................426 19.5.17 ATIM 捕捉/比较寄存器 4(ATIM_CCR4) ......................................................................................................426 19.5.18 ATIM 刹车和死区控制寄存器(ATIM_BDTR) ...............................................................................................427 19.5.19 ATIM DMA 控制寄存器(ATIM_DCR)............................................................................................................428 19.5.20 ATIM DMA 访问寄存器(ATIM_DMAR) ........................................................................................................429 19.5.21 ATIM 刹车输入控制寄存器(ATIM_BKCR) ...................................................................................................429 20 通用定时器(GPTIM) ......................................................................................................................................... 431 20.1 概述 ...........................................................................................................................................................................431 20.2 主要特性 ...................................................................................................................................................................431 20.3 结构框图 ...................................................................................................................................................................432 20.4 功能描述 ...................................................................................................................................................................433 20.4.1 定时单元 ...........................................................................................................................................................433 20.4.2 定时器工作模式 ...............................................................................................................................................435 20.4.3 计数器工作时钟 ...............................................................................................................................................442 20.4.4 内部触发信号(ITRx)的捕捉 ........................................................................................................................447 20.4.5 捕捉/比较通道 .................................................................................................................................................448 20.4.6 输入捕捉模式 ...................................................................................................................................................449 20.4.7 软件 Force 输出 ................................................................................................................................................451 20.4.8 输出比较模式 ...................................................................................................................................................451 20.4.9 PWM 输出 .........................................................................................................................................................452 20.4.10 单脉冲输出...................................................................................................................................................453 20.4.11 外部事件清除 OCxREF .................................................................................................................................455 20.4.12 编码器接口模式(encoder interface) .......................................................................................................455 20.4.13 GPTIM 从机模式 ...............................................................................................................................................456 20.4.14 DMA 访问..........................................................................................................................................................459 20.4.15 DMA Burst .........................................................................................................................................................460 20.4.16 输入异或功能 ...............................................................................................................................................460 20.4.17 Debug 模式 .......................................................................................................................................................460 20.5 寄存器 .......................................................................................................................................................................462 20.5.1 GPTIMx 控制寄存器 1(GPTIMx_CR1) .........................................................................................................463 20.5.2 GPTIMx 控制寄存器 2(GPTIMx_CR2) .........................................................................................................464 20.5.3 GPTIMx 从机模式控制寄存器(GPTIMx_SMCR) .........................................................................................465 20.5.4 GPTIMx DMA 和中断使能寄存器(GPTIMx_DIER) ......................................................................................467 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 12 章节列表 20.5.5 20.5.6 20.5.7 20.5.8 20.5.9 20.5.10 20.5.11 20.5.12 20.5.13 20.5.14 20.5.15 20.5.16 20.5.17 20.5.18 20.5.19 21 GPTIMx 中断标志寄存器(GPTIMx_ISR) ......................................................................................................468 GPTIMx 事件产生寄存器(GPTIMx_EGR) ....................................................................................................470 GPTIMx 捕捉/比较模式寄存器 1(GPTIMx_CCMR1)...................................................................................470 GPTIMx 捕捉/比较模式寄存器 2(GPTIMx_CCMR2)...................................................................................473 GPTIMx 捕捉/比较使能寄存器(GPTIMx_CCER) .........................................................................................475 GPTIMx 计数器寄存器(GPTIMx_CNT) ........................................................................................................476 GPTIMx 预分频寄存器(GPTIMx_PSC) .........................................................................................................476 GPTIMx 自动重载寄存器(GPTIMx_ARR) ....................................................................................................477 GPTIMx 捕捉/比较寄存器 1(GPTIMx_CCR1) ..............................................................................................477 GPTIMx 捕捉/比较寄存器 2(GPTIMx_CCR2) ..............................................................................................478 GPTIMx 捕捉/比较寄存器 3(GPTIMx_CCR3) ..............................................................................................479 GPTIMx 捕捉/比较寄存器 4(GPTIMx_CCR4) ..............................................................................................479 GPTIMx DMA 控制寄存器(GPTIMx_DCR) ...................................................................................................480 GPTIMx DMA 访问寄存器(GPTIMx_DMAR) ...............................................................................................481 GPTIMx ITR 选择寄存器(GPTIMx_ITRSEL) ..................................................................................................481 基本定时器(BSTIM) .......................................................................................................................................... 482 21.1 概述 ...........................................................................................................................................................................482 21.2 主要特性 ...................................................................................................................................................................482 21.3 结构框图 ...................................................................................................................................................................482 21.4 功能描述 ...................................................................................................................................................................483 21.4.1 定时单元 ...........................................................................................................................................................483 21.4.2 定时器工作模式 ...............................................................................................................................................485 21.4.3 计数器工作时钟 ...............................................................................................................................................487 21.4.1 Debug 模式 .......................................................................................................................................................488 21.5 寄存器 .......................................................................................................................................................................489 21.5.1 BSTIM 控制寄存器 1(BSTIM_CR1) ..............................................................................................................489 21.5.2 BSTIM 控制寄存器 2(BSTIM_CR2) ..............................................................................................................490 21.5.1 BSTIM 中断使能寄存器(BSTIM_IER) ..........................................................................................................491 21.5.2 BSTIM 中断标志寄存器(BSTIM_ISR) ..........................................................................................................491 21.5.3 BSTIM 事件产生寄存器(BSTIM_EGR) .........................................................................................................492 21.5.4 BSTIM 计数器寄存器(BSTIM_CNT) .............................................................................................................492 21.5.5 BSTIM 预分频寄存器(BSTIM_PSC) .............................................................................................................493 21.5.6 BSTIM 自动重载寄存器(BSTIM_ARR) .........................................................................................................493 22 低功耗定时器(LPTIM) ...................................................................................................................................... 494 22.1 概述 ...........................................................................................................................................................................494 22.2 结构框图 ...................................................................................................................................................................495 22.3 定时器功能 ...............................................................................................................................................................495 22.3.1 普通定时器 .......................................................................................................................................................495 22.3.2 外部脉冲触发计数 ...........................................................................................................................................496 22.3.3 外部异步脉冲计数 ...........................................................................................................................................496 22.3.4 Timeout 模式 ....................................................................................................................................................496 22.4 捕捉比较功能 ...........................................................................................................................................................497 22.4.1 32bit PWM ........................................................................................................................................................498 22.4.2 输入捕捉 ...........................................................................................................................................................498 22.5 寄存器 .......................................................................................................................................................................500 22.5.1 LPTIM 配置寄存器(LPTIM_CFGR) ...............................................................................................................500 22.5.2 LPTIM 计数值寄存器(LPTIM_CNT) .............................................................................................................501 22.5.3 LPTIM 捕捉比较控制和状态寄存器(LPTIM_CCSR) ....................................................................................502 22.5.4 LPTIM 目标值寄存器(LPTIM_ARR) .............................................................................................................503 22.5.5 LPTIM 中断使能寄存器(LPTIM_IER) ...........................................................................................................504 22.5.6 LPTIM 中断标志寄存器(LPTIM_ISR) ...........................................................................................................504 22.5.7 LPTIM 控制寄存器(LPTIM_CR)....................................................................................................................505 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 13 章节列表 22.5.8 22.5.1 23 LPTIM 捕捉比较寄存器 1(LPTIM_CCR1).....................................................................................................506 LPTIM 捕捉比较寄存器 2(LPTIM_CCR2).....................................................................................................506 实时时钟(RTC) .................................................................................................................................................. 508 23.1 概述 ...........................................................................................................................................................................508 23.2 结构框图 ...................................................................................................................................................................508 23.3 工作原理 ...................................................................................................................................................................509 23.3.1 时基计数器(LTBC) .......................................................................................................................................509 23.3.2 LTBC 数字调校 ..................................................................................................................................................510 23.3.3 BCD 时间 ...........................................................................................................................................................511 23.3.4 RTC 使能与停止 ................................................................................................................................................512 23.3.5 RTC 时间设置 ....................................................................................................................................................512 23.3.6 RTC 时间读取 ....................................................................................................................................................512 23.3.7 闰年判断 ...........................................................................................................................................................513 23.4 寄存器 .......................................................................................................................................................................514 23.4.1 RTC 写使能寄存器(RTC_WER) ....................................................................................................................514 23.4.2 RTC 中断使能寄存器(RTC_IER) ...................................................................................................................515 23.4.3 RTC 中断标志寄存器(RTC_ISR) ...................................................................................................................516 23.4.4 BCD 时间秒寄存器(RTC_BCDSEC) ...............................................................................................................517 23.4.5 BCD 时间分钟寄存器(RTC_BCDMIN) ..........................................................................................................518 23.4.6 BCD 时间小时寄存器(RTC_BCDHOUR) .......................................................................................................518 23.4.7 BCD 时间天寄存器(RTC_BCDDAY) ..............................................................................................................519 23.4.8 BCD 时间星期寄存器(RTC_BCDWEEK) .......................................................................................................519 23.4.9 BCD 时间月寄存器(RTC_BCDMONTH)........................................................................................................520 23.4.10 BCD 时间年寄存器(RTC_BCDYEAR) ............................................................................................................520 23.4.11 闹钟寄存器(RTC_ALARM) .......................................................................................................................520 23.4.12 RTC 时间信号输出寄存器(RTC_TMSEL) .....................................................................................................521 23.4.13 LTBC 数值调整寄存器(RTC_ADJUST) ..........................................................................................................522 23.4.14 LTBC 数值调整方向寄存器(RTC_ADSIGN) ..................................................................................................522 23.4.15 毫秒计数寄存器(RTC_SBSCNT) ..............................................................................................................523 23.4.16 RTC 备份寄存器组(RTC_BKRx) ....................................................................................................................523 24 LCD 显示 .................................................................................................................................................................... 525 24.1 概述 ...........................................................................................................................................................................525 24.2 结构框图 ...................................................................................................................................................................525 24.3 IO 配置 ......................................................................................................................................................................527 24.4 功能说明 ...................................................................................................................................................................527 24.4.1 工作时钟和显示帧频率 ...................................................................................................................................527 24.4.2 LCD Type A 扫描波形 ........................................................................................................................................528 24.4.3 LCD Type B 扫描波形 ........................................................................................................................................530 24.4.4 片内 buffer 驱动模式 .......................................................................................................................................531 24.4.5 片外电容驱动模式 ...........................................................................................................................................532 24.4.6 显示闪烁功能 ...................................................................................................................................................532 24.4.7 偏置电压调整 ...................................................................................................................................................532 24.5 寄存器 .......................................................................................................................................................................533 24.5.1 显示控制寄存器(LCD_CR) ...........................................................................................................................533 24.5.2 显示测试控制寄存器(LCD_TEST) ...............................................................................................................535 24.5.3 测试模式下引脚输出数据寄存器 ...................................................................................................................536 24.5.4 显示频率控制寄存器(LCD_FCR) .................................................................................................................536 24.5.5 闪烁时间寄存器(LCD_FLKT) .......................................................................................................................537 24.5.6 显示中断使能寄存器(LCD_IER) ..................................................................................................................537 24.5.7 显示中断标志寄存器(LCD_ISR) ..................................................................................................................538 24.5.8 显示数据寄存器(LCD_DATAx) .....................................................................................................................538 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 14 章节列表 24.5.9 24.5.10 25 COM 使能控制寄存器(LCD_COM_EN) .......................................................................................................543 SEG 使能控制寄存器 0(LCD_SEG_EN0) ......................................................................................................544 ADC ............................................................................................................................................................................ 545 25.1 概述 ...........................................................................................................................................................................545 25.2 结构框图 ...................................................................................................................................................................546 25.3 输入通道 ...................................................................................................................................................................547 25.4 单端和差分输入 .......................................................................................................................................................547 25.5 ADC 使能和配置 .......................................................................................................................................................548 25.6 功能描述 ...................................................................................................................................................................549 25.6.1 ADC 采样和转换时序 .......................................................................................................................................549 25.6.2 采样值与实际电压转换 ...................................................................................................................................551 25.6.3 温度传感器 .......................................................................................................................................................551 25.6.4 温度传感器的斜率和标定 ...............................................................................................................................552 25.6.5 可编程采样时间 ...............................................................................................................................................553 25.6.6 转换模式 ...........................................................................................................................................................554 25.6.7 转换触发 ...........................................................................................................................................................555 25.6.8 过采样和硬件平均 ...........................................................................................................................................557 25.6.9 ADC 工作时钟 ...................................................................................................................................................557 25.6.10 数据冲突和自动等待 ...................................................................................................................................558 25.6.11 DMA ..................................................................................................................................................................558 25.6.12 模拟窗口看门狗(AWD) ...........................................................................................................................559 25.6.13 ADC 校准(Calibration) .................................................................................................................................560 25.7 低功耗模式 ...............................................................................................................................................................560 25.8 寄存器 .......................................................................................................................................................................561 25.8.1 ADC 中断和状态寄存器(ADC_ISR) .............................................................................................................561 25.8.2 ADC 中断使能寄存器( ADC_IER) ...............................................................................................................562 25.8.3 ADC 控制寄存器(ADC_CR) ..........................................................................................................................563 25.8.4 ADC 配置寄存器(ADC_CFGR) ......................................................................................................................563 25.8.5 ADC 采样时间控制寄存器(ADC_SMTR) .....................................................................................................566 25.8.6 ADC 通道控制寄存器(ADC_CHER) ..............................................................................................................567 25.8.7 ADC 数据寄存器(ADC_DR) ..........................................................................................................................568 25.8.8 ADC 校准控制寄存器(ADC_CAL) ................................................................................................................568 25.8.9 模拟看门狗阈值寄存器(ADC_HLTR) ..........................................................................................................569 26 蜂鸣器(BEEPER) ..................................................................................................................................................... 570 26.1 概述 ...........................................................................................................................................................................570 26.2 结构框图 ...................................................................................................................................................................570 26.3 频率输出 ...................................................................................................................................................................570 26.4 寄存器 .......................................................................................................................................................................571 26.4.1 BEEP 控制和状态寄存器(BEEP_CSR) ..........................................................................................................571 27 I/O 端口 ..................................................................................................................................................................... 572 27.1 概述 ...........................................................................................................................................................................572 27.2 引脚类型 ...................................................................................................................................................................573 27.2.1 GPIO,输入输出使能,可控上拉电阻,可控开漏输出 ...............................................................................573 27.2.2 GPIO,输入输出使能,真开漏输出(PA11、PA12) ...................................................................................574 27.2.3 GPIO,输入输出使能,2 个可控上拉电阻,可控开漏输出(仅 7816 数据口) ......................................575 27.3 IO 端口功能描述.......................................................................................................................................................576 27.3.1 GPIO 输入..........................................................................................................................................................576 27.3.2 GPIO 输出..........................................................................................................................................................576 27.3.3 数字外设功能 ...................................................................................................................................................576 27.3.4 模拟功能 ...........................................................................................................................................................577 27.3.5 IO 模拟开关 ......................................................................................................................................................578 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 15 章节列表 27.3.6 使用外部晶体引脚 ...........................................................................................................................................579 27.4 NRST 引脚 ..................................................................................................................................................................580 27.5 WKUPX 引脚...............................................................................................................................................................581 27.6 外部引脚中断(EXTI) ............................................................................................................................................582 27.6.1 功能说明 ...........................................................................................................................................................582 27.6.2 应用指南 ...........................................................................................................................................................583 27.7 快速 GPIO 输出 .........................................................................................................................................................585 27.8 寄存器 .......................................................................................................................................................................586 27.8.1 PortX 输入使能寄存器(GPIOx_INEN) .........................................................................................................588 27.8.2 PortX 上拉使能寄存器(GPIOx_PUEN) ........................................................................................................588 27.8.3 PortX 开漏使能寄存器(GPIOx_ODEN) ........................................................................................................589 27.8.4 PortX 功能选择寄存器(GPIOx_FCR) ...........................................................................................................589 27.8.5 PortX 输出数据寄存器(GPIOx_DO) ............................................................................................................592 27.8.6 PortX 输出数据置位寄存器(GPIOx_DSET) .................................................................................................592 27.8.7 PortX 输出数据复位寄存器(GPIOx_DRST) .................................................................................................593 27.8.8 PortX 输入数据寄存器(GPIOx_DIN) ...........................................................................................................593 27.8.9 PortX 额外数字功能寄存器(GPIOx_DFS) ...................................................................................................594 27.8.10 PortX 强驱动使能寄存器(GPIOx_HD) ........................................................................................................594 27.8.11 PortX 模拟开关使能寄存器(GPIOx_ANEN) ................................................................................................595 27.8.12 EXTI 输入选择寄存器(GPIO_EXTI_SEL).......................................................................................................596 27.8.13 EXTI 边沿选择和使能寄存器(GPIO_EXTI_EDS) ..........................................................................................598 27.8.14 EXTI 数字滤波控制寄存器(GPIO_EXTI_DF) ................................................................................................600 27.8.15 EXTI 中断标志寄存器(GPIO_EXTI_ISR) .......................................................................................................600 27.8.16 EXTI 输入信号寄存器(GPIO_EXTI_DI).........................................................................................................601 27.8.17 FOUT 配置寄存器(GPIO_FOUT_SEL)...........................................................................................................601 27.8.18 WKUP 使能寄存器(GPIO_PINWKEN) ..........................................................................................................602 专用编程接口........................................................................................................................................................ 604 28 28.1 28.2 概述 ...........................................................................................................................................................................604 编程器使用 ...............................................................................................................................................................604 器件签名信息........................................................................................................................................................ 605 29 29.1 29.2 存储器容量查询 .......................................................................................................................................................605 器件 UID ....................................................................................................................................................................605 版本列表 ........................................................................................................................................................................... 607 上海复旦微电子集团股份有限公司销售及服务网点 ....................................................................................................... 608 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 16 表目录 表目录 表 1-1FM33L0 型号列表 .............................................................................................................................................................. 26 表 1-2 引脚列表........................................................................................................................................................................... 36 表 1-3 功能引脚分布表 ............................................................................................................................................................... 39 表 2-1 FM33L0 极限参数 ............................................................................................................................................................. 48 表 2-2 FM33L0 典型工作条件 ..................................................................................................................................................... 49 表 2-3 ACTIVE 电流参数 .............................................................................................................................................................. 51 表 2-4 LP ACTIVE 电流参数 .......................................................................................................................................................... 52 表 2-5 LP RUN 电流参数 .............................................................................................................................................................. 53 表 2-6 SLEEP 电流参数 ................................................................................................................................................................ 54 表 2-7 DEEPSLEEP 电流参数 ........................................................................................................................................................ 55 表 2-8 复位和电压监控参数 ...................................................................................................................................................... 58 表 2-9 高精度基准源参数 .......................................................................................................................................................... 60 表 2-10 唤醒时间参数 ................................................................................................................................................................ 62 表 2-11 FM33L0 低频晶体振荡器参数 ....................................................................................................................................... 63 表 2-12 FM33L0 高频晶体振荡器参数 ....................................................................................................................................... 63 表 2-13 FM33L0 内部 RCHF 振荡器参数 .................................................................................................................................... 64 表 2-14 FM33L0 内部 RC4M 振荡器参数 ................................................................................................................................... 65 表 2-15 FM33L0 内部 RCLP 振荡器参数 ..................................................................................................................................... 66 表 2-16 FM33L0 PLL 参数 ............................................................................................................................................................. 67 表 2-17 FM33L0 ADC 性能参数 ................................................................................................................................................... 69 表 2-18 FM33L0 ADC 采样时间 ................................................................................................................................................... 71 表 2-19 FM33L0 温度传感器参数 ............................................................................................................................................... 72 表 2-20 OPA 参数 ......................................................................................................................................................................... 74 表 2-21 OPA 比较器模式参数 ..................................................................................................................................................... 74 表 2-22 FM33L0 FLASH 参数 .......................................................................................................................................................... 75 表 2-23 FM33L0 普通 I/O 参数 ................................................................................................................................................... 76 表 2-24 FM33L0 高驱动能力 I/O 参数 ....................................................................................................................................... 77 表 2-25 FM33L0 真开漏 I/O 参数 ............................................................................................................................................... 78 表 2-26 FM33L0 NRST 引脚参数 .................................................................................................................................................. 78 表 2-27 LCD 片内电阻分压 .......................................................................................................................................................... 79 表 2-28 LCD 片外电容驱动 .......................................................................................................................................................... 79 表 3-1 FM33L0 功耗模式表 ......................................................................................................................................................... 84 表 3-2 FM33L0 功耗-性能表 ........................................................................................................................................................ 86 表 4-1 CPU 配置参数 ................................................................................................................................................................... 99 表 4-2 CPU 主要内核寄存器 .....................................................................................................................................................100 表 4-3 CPU 中断向量表 .............................................................................................................................................................102 表 4-4 HARDFAULT 异常类型 ........................................................................................................................................................103 表 5-1 FM33L0 外设地址表 .......................................................................................................................................................112 表 5-2 FLASH 访问权限表 ............................................................................................................................................................121 表 5-3 NVR6 数据 .......................................................................................................................................................................122 表 5-4 NVR5 数据 .......................................................................................................................................................................123 表 5-5 OPTBYTE 定义 .................................................................................................................................................................123 表 5-6 LOCK 位对应 FLASH 地址表 .............................................................................................................................................124 表 6-1 IWDT 溢出长度 ...............................................................................................................................................................135 表 6-2 WWDT 溢出长度 ............................................................................................................................................................137 表 7-1 时钟说明表 ....................................................................................................................................................................157 表 7-2 外设时钟对照表 ............................................................................................................................................................158 表 7-3 低功耗模式下的时钟 ....................................................................................................................................................166 表 11-1 OPA 输入输出引脚映射 ...............................................................................................................................................229 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 17 表目录 表 12-1 I2C 接口时序要求 .........................................................................................................................................................247 表 12-2 I2C 从机地址分类 .........................................................................................................................................................248 表 13-1 UART 数据帧格式 .........................................................................................................................................................288 表 13-2 常用时钟频率下波特率计算 .......................................................................................................................................295 表 14-1 LPUART 数据帧格式 .....................................................................................................................................................310 表 14-2 LPUART 推荐调制参数 .................................................................................................................................................312 表 14-3 LPUART 的 DMA 收发 ...................................................................................................................................................313 表 15-1 SPI 引脚映射 .................................................................................................................................................................322 表 17-1 DMA 通道映射 ..............................................................................................................................................................355 表 18-1 GOLDEN 数据表 ..............................................................................................................................................................365 表 19-1 ENCODER INTERFACE 计数方式 ...........................................................................................................................................401 表 19-2 DMA 操作表 ..................................................................................................................................................................406 表 20-1 内部触发信号表 ..........................................................................................................................................................448 表 20-2 ENCODER INTERFACE 计数方式 ...........................................................................................................................................455 表 20-3 DMA 操作表 ..................................................................................................................................................................460 表 24-1 帧频率计算公式 ...........................................................................................................................................................527 表 24-2 典型帧频率和 DF 的关系 ............................................................................................................................................527 表 25-1 ADC 通道映射 ...............................................................................................................................................................547 表 25-2 ADC 通道控制 ...............................................................................................................................................................548 表 27-1GPIO 功能逻辑定义表 ..................................................................................................................................................574 表 27-2 真开漏 IO 功能逻辑定义表 .........................................................................................................................................575 表 27-3 FCR 定义表 ....................................................................................................................................................................576 表 27-4 多个数字外设功能选择表 ...........................................................................................................................................577 表 27-5 模拟通道说明 ..............................................................................................................................................................578 表 27-6 IO 模拟开关对照表 ......................................................................................................................................................579 表 27-7 外部引脚中断配置表 ..................................................................................................................................................582 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 18 图目录 图目录 图 1-1FM33L0XX 结构框图........................................................................................................................................................... 26 图 1-2FM33L0X6 LQFP64 封装图 ................................................................................................................................................. 28 图 1-3 FM33L0X5 QFN32 封装图 ................................................................................................................................................. 29 图 1-4 FM33L0X3 QFN32 封装图 ................................................................................................................................................. 30 图 1-5 FM33L0X2 TSSOP20 封装图 .............................................................................................................................................. 31 图 1-5 LQFP64 封装尺寸图 .......................................................................................................................................................... 40 图 1-6 LQFP48 封装尺寸图 .......................................................................................................................................................... 42 图 1-7 QFN32 封装尺寸图 ........................................................................................................................................................... 44 图 1-9 TSSOP20 封装尺寸图 ........................................................................................................................................................ 45 图 2-1 FM33L0X6 供电方案 ......................................................................................................................................................... 47 图 2-2 ADC 通道输入阻抗 ........................................................................................................................................................... 70 图 2-3 FM33L0X6 LCD 片外电容驱动模式电容连接 .................................................................................................................. 80 图 3-1 芯片电源结构图 ............................................................................................................................................................... 82 图 3-2 功耗模式状态转换 ........................................................................................................................................................... 85 图 3-3 功耗模式与系统主频 ....................................................................................................................................................... 85 图 5-1 芯片电源结构图 .............................................................................................................................................................109 图 5-2 FM33L02X 总线地址 .......................................................................................................................................................110 图 5-3 FM33L01X 总线地址 .......................................................................................................................................................111 图 5-4 FLASH 状态转换................................................................................................................................................................115 图 5-5 BOOTSWAP 示意图 ............................................................................................................................................................117 图 5-6 BOOT 程序备份 ................................................................................................................................................................118 图 5-7 备份升级过程 ................................................................................................................................................................118 图 6-1 芯片复位结构框图 .........................................................................................................................................................132 图 6-2 上下电复位示意图 .........................................................................................................................................................133 图 6-3 IWDT 结构框图 ...............................................................................................................................................................134 图 6-4 WWDT 结构框图 ............................................................................................................................................................136 图 6-5 WWDT 窗口示意图 ........................................................................................................................................................138 图 7-1 芯片时钟树框图 .............................................................................................................................................................156 图 8-1 SVD 结构框图 .................................................................................................................................................................183 图 8-2 低压检测电路工作时序 .................................................................................................................................................184 图 8-3 电源检测电路间歇工作模式 .........................................................................................................................................185 图 8-4 使用外部电阻分压的 SVS 检测 .....................................................................................................................................186 图 8-5 使用内部电阻分压的 SVS 检测 .....................................................................................................................................187 图 9-1 ECB 模式加密流程 ..........................................................................................................................................................196 图 9-2 ECB 模式解密流程 ..........................................................................................................................................................197 图 9-3 CBC 加密过程 .................................................................................................................................................................198 图 9-4 CBC 解密过程 .................................................................................................................................................................199 图 9-5 暂停模式流程 .................................................................................................................................................................199 图 9-6 CTR 加密流程 ..................................................................................................................................................................200 图 9-7 CTR 解密流程 ..................................................................................................................................................................201 图 9-8 32 位计数器和随机数的存储方式 ................................................................................................................................201 图 9-9 GCM 加密流程 ................................................................................................................................................................203 图 9-10 GCM 解密流程 ..............................................................................................................................................................204 图 9-11 MULTH 模块框图 ............................................................................................................................................................205 图 9-12 根据数据类型存储数据的示意图 ...............................................................................................................................207 图 9-13 模式 1:加密流程 ........................................................................................................................................................208 图 9-14 模式 2 示意图...............................................................................................................................................................209 图 9-15 模式 3 示意图...............................................................................................................................................................209 图 9-16 模式 4 示意图...............................................................................................................................................................210 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 19 图目录 图 9-17 MULTH 模块使用流程示意图 ........................................................................................................................................211 图 9-18 输入时 DMA 请求和数据传输示意图 .........................................................................................................................212 图 9-19 输出时 DMA 请求和数据传输示意图 .........................................................................................................................212 图 10-1 真随机数模块框图 ......................................................................................................................................................220 图 10-2 真随机数模块工作时钟 ..............................................................................................................................................221 图 11-1 OPA1 结构框图 .............................................................................................................................................................227 图 11-2 OPA2 结构框图 .............................................................................................................................................................227 图 11-3 OPA 用于 ADC 输入放大 ..............................................................................................................................................228 图 11-4 STANDALONE 模式.............................................................................................................................................................230 图 11-5 比较器模式 ..................................................................................................................................................................231 图 11-6 比较器输出滤波 ..........................................................................................................................................................231 图 11-7 BUFFER 模式 .................................................................................................................................................................232 图 11-8 PGA 模式 .......................................................................................................................................................................233 图 11-9 PGA 模式,INN 和 OUT 之间接电容用于环路滤波 ...................................................................................................233 图 11-10 比较器中断 ................................................................................................................................................................235 图 12-1 I2C 总线时序 .................................................................................................................................................................243 图 12-2 I2C 总线时序 .................................................................................................................................................................245 图 12-3 数据有效时序 ...............................................................................................................................................................245 图 12-4 起始(START)与停止(STOP)命令定义 .........................................................................................................................246 图 12-5 输出应答(ACK) ..............................................................................................................................................................246 图 12-6 从机信号滤波 ...............................................................................................................................................................250 图 12-7 主机向 7 位地址从机写入数据时的帧格式 ...............................................................................................................251 图 12-8 I2C 软件发送数据流图 .................................................................................................................................................252 图 12-9 I2C 主机对 7 位地址从机发送数据流图 .....................................................................................................................253 图 12-10 主机从 7 位地址从机读取数据时的帧格式 .............................................................................................................253 图 12-11 I2C 软件读取数据流图 ...............................................................................................................................................254 图 12-12 I2C 从 7 位地址从机读取数据流图 ...........................................................................................................................255 图 12-13 双向数据通信帧格式 .................................................................................................................................................255 图 12-14 10BIT 寻址,主机向从机写入数据 ............................................................................................................................256 图 12-15 I2C 软件发送数据流图 ...............................................................................................................................................257 图 12-16 10BIT 寻址,主机从从机读取数据 ............................................................................................................................257 图 12-17 I2C 软件发送数据流图 ...............................................................................................................................................258 图 12-18 I2C 软件发送数据流图 ...............................................................................................................................................259 图 12-19 I2C 主机 DMA 发送流程图 .........................................................................................................................................260 图 12-20 I2C 主机 DMA 接收流程图 .........................................................................................................................................262 图 12-21 主机时序控制.............................................................................................................................................................264 图 12-22 从机数据发送波形 .....................................................................................................................................................266 图 12-23 从机数据接收波形(SCLSEN=1) .............................................................................................................................267 图 12-24 从机数据接收波形(SCLSEN=0,接收溢出) .........................................................................................................268 图 12-25 I2C 从机 DMA 接收流程图 .........................................................................................................................................270 图 12-26 I2C 从机 DMA 发送流程图 .........................................................................................................................................271 图 13-1 UART 结构框图 .............................................................................................................................................................286 图 13-2 UART 字符描述 .............................................................................................................................................................288 图 13-3 位接收采样...................................................................................................................................................................290 图 13-4 UART 异步发送波形 1 ..................................................................................................................................................291 图 13-5 UART 异步发送波形 2 ..................................................................................................................................................292 图 13-6 UART 异步发送波形 3 ..................................................................................................................................................292 图 13-7 红外调制波形 ...............................................................................................................................................................297 图 13-8 UART 发送延迟 .............................................................................................................................................................298 图 14-1 LPUART 结构框图 .........................................................................................................................................................307 图 14-2 LPUART 工作时钟 .........................................................................................................................................................309 图 14-3 LPUART 字符描述 .........................................................................................................................................................310 图 15-1SPI 结构框图 ..................................................................................................................................................................321 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 20 图目录 图 15-2 SPI 数据/时钟时序图(CPHA=0) ...............................................................................................................................322 图 15-3 SPI 数据/时钟时序图(CPHA=1) ...............................................................................................................................323 图 15-4 四线半双工写操作 ......................................................................................................................................................324 图 15-5 四线半双工读操作(无 DUMMY CYCLE) ......................................................................................................................324 图 15-6 四线半双工读操作(有 DUMMY CYCLE) ......................................................................................................................325 图 15-7 SPI MASTER/SPI SLAVE 互连..............................................................................................................................................326 图 15-8 SPI SSN 时序图(SSNM=1,CPHA=0)........................................................................................................................328 图 15-9 SPI SSN 时序图(SSNM=0) ........................................................................................................................................329 图 16-1 ISO7816 结构框图 ........................................................................................................................................................338 图 16-2 ISO7816 数据帧结构 ....................................................................................................................................................339 图 16-3 ISO7816 数据接收过程 ................................................................................................................................................340 图 16-4 ISO7816 数据发送过程 ................................................................................................................................................341 图 17-1 DMA 结构框图 ..............................................................................................................................................................352 图 17-2 DMA 寄存器配置 ..........................................................................................................................................................353 图 17-3 DMA 工作流程 ..............................................................................................................................................................354 图 18-1 CRC 运算流程图............................................................................................................................................................364 图 18-2 使用 DMA 对 RAM 中的数据进行 CRC 运算 ..............................................................................................................365 图 18-3 FLASH CRC 校验结构图 ..................................................................................................................................................366 图 19-1 高级定时器结构框图 ...................................................................................................................................................373 图 19-2 预分频从 1 变为 2 的波形 ...........................................................................................................................................375 图 19-3 预分频从 1 变为 4 的波形 ...........................................................................................................................................375 图 19-4 向上计数波形,内部时钟不分频 ...............................................................................................................................376 图 19-5 向上计数波形,内部时钟 2 分频 ...............................................................................................................................377 图 19-6 ARPE=0(ATIM_ARR 没有预装载)时的更新事件 .....................................................................................................377 图 19-7 ARPE=1(ATIM_ARR 预装载)时的更新事件 .............................................................................................................378 图 19-8 向下计数,内部时钟不分频 .......................................................................................................................................379 图 19-9 向下计数,内部时钟 2 分频 .......................................................................................................................................379 图 19-10 向下计数,内部时钟不分频 .....................................................................................................................................380 图 19-11 向下计数,不使用重复计数时的更新事件 .............................................................................................................380 图 19-12 中心对齐计数器时序图,ATIM_PCS=0,ATIM_ARR=0X6 ........................................................................................381 图 19-13 计数器时序图,ARPE=1 时的更新事件(计数器下溢) .............................................................................................382 图 19-14 计数器时序图,ARPE=1 时的更新事件(计数器溢出) .............................................................................................382 图 19-15 不同模式下更新速率的例子,及 ATIM_RCR 的寄存器设置 ..................................................................................383 图 19-16 ATIM 时钟源框图........................................................................................................................................................384 图 19-17 内部时钟源模式,时钟分频因子为 1 ......................................................................................................................385 图 19-18TI2 外部时钟连接例子 ................................................................................................................................................385 图 19-19 外部时钟模式 1 下的时序 .........................................................................................................................................386 图 19-20 外部时钟模式 1 下的时序 .........................................................................................................................................387 图 19-21 外部触发输入框图 .....................................................................................................................................................387 图 19-22 外部时钟模式 2 下的时序 1 ......................................................................................................................................388 图 19-23 外部时钟模式 2 下的时序 2 ......................................................................................................................................389 图 19-24 捕获/比较通道(通道 1 输入部分) .............................................................................................................................390 图 19-25 捕获/比较通道 1 的主电路 .......................................................................................................................................390 图 19-26 捕获/比较通道的输出部分(通道 1 至 3) ..................................................................................................................391 图 19-27 捕获/比较通道的输出部分(通道 4) ..........................................................................................................................391 图 19-28PWM 输入捕获模式时序 ............................................................................................................................................392 图 19-29 输出比较模式,翻转 OC1 .........................................................................................................................................393 图 19-30 边沿对齐的 PWM 波形(ARR=7) .................................................................................................................................394 图 19-31 中央对齐的 PWM 波形(APR=7) .................................................................................................................................395 图 19-32 带死区插入的互补输出 .............................................................................................................................................396 图 19-33 死区波形延迟大于负脉冲 .........................................................................................................................................396 图 19-34 死区波形延迟大于正脉冲 .........................................................................................................................................396 图 19-35 刹车输入结构 ............................................................................................................................................................396 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 21 图目录 图 19-36 响应刹车的输出 .........................................................................................................................................................398 图 19-37 产生六步 PWM,使用 COM 的例子(OSSR=1) ..........................................................................................................399 图 19-38 单脉冲模式的例子 .....................................................................................................................................................400 图 19-39 ETR 信号清除 ATIM 的 OCXREF ..................................................................................................................................401 图 19-40 编码器模式下的计数器操作实例 .............................................................................................................................402 图 19-41 复位模式下的时序 .....................................................................................................................................................403 图 19-42 门控模式下的时序 .....................................................................................................................................................404 图 19-43 触发器模式下的时序 .................................................................................................................................................404 图 19-44 外部时钟模式 2+触发模式下的时序 ......................................................................................................................405 图 20-1 GPTIM 结构框图 ...........................................................................................................................................................432 图 20-2 预分频从 1 变为 2 的波形 ...........................................................................................................................................434 图 20-3 预分频从 1 变为 4 的波形 ...........................................................................................................................................434 图 20-4 向上计数波形,内部时钟不分频 ...............................................................................................................................435 图 20-5 向上计数波形,内部时钟 2 分频 ...............................................................................................................................436 图 20-6ARPE=0(GPTIM_ARR 没有预装载)时的更新事件 ...................................................................................................436 图 20-7ARPE=1(GPTIM_ARR 预装载)时的更新事件 ...........................................................................................................437 图 20-8 向下计数,内部时钟不分频 .......................................................................................................................................438 图 20-9 向下计数,内部时钟 2 分频 .......................................................................................................................................438 图 20-10 向下计数,内部时钟 2 分频 .....................................................................................................................................439 图 20-11 向下计数,不使用重复计数时的更新事件 .............................................................................................................439 图 20-12 中心对齐计数器时序图,GPTIM_PCS=0,GPTIM_ARR=0X6 ...................................................................................440 图 20-13 计数器时序图,ARPE=1 时的更新事件(计数器下溢) .............................................................................................441 图 20-14 计数器时序图,ARPE=1 时的更新事件(计数器溢出) .............................................................................................441 图 20-15 GPTIM 时钟源框图 .....................................................................................................................................................442 图 20-16 内部时钟源模式,时钟分频因子为 1 ......................................................................................................................442 图 20-17TI2 外部时钟连接例子 ................................................................................................................................................443 图 20-18 外部时钟模式 1 下的时序 .........................................................................................................................................443 图 20-19 外部时钟模式 1 下的时序 .........................................................................................................................................444 图 20-20 外部触发输入框图 .....................................................................................................................................................445 图 20-21 外部时钟模式 2 下的时序 1 ......................................................................................................................................445 图 20-22 外部时钟模式 2 下的时序 2 ......................................................................................................................................446 图 20-23 捕获/比较通道(通道 1 输入部分) .............................................................................................................................448 图 20-24 捕获/比较通道 1 的主电路 .......................................................................................................................................449 图 20-25 捕获/比较通道的输出部分 .......................................................................................................................................449 图 20-26PWM 输入捕获模式时序 ............................................................................................................................................450 图 20-27 输出比较模式,翻转 OC1 .........................................................................................................................................451 图 20-28 边沿对齐的 PWM 波形(ARR=7) .................................................................................................................................452 图 20-29 中央对齐的 PWM 波形(APR=7) .................................................................................................................................453 图 20-30 单脉冲模式的例子 .....................................................................................................................................................454 图 20-31 ETR 信号清除 GPTIM 的 OCXREF ................................................................................................................................455 图 20-32 编码器模式下的计数器操作实例 ............................................................................................................................456 图 20-33 复位模式下的时序 ....................................................................................................................................................457 图 20-34 门控模式下的时序 ....................................................................................................................................................458 图 20-35 触发器模式下的时序 ................................................................................................................................................458 图 20-36 外部时钟模式 2+触发模式下的时序 .....................................................................................................................459 图 21-1 BSTIM 结构框图............................................................................................................................................................482 图 21-2 预分频从 1 变为 2 的波形 ...........................................................................................................................................484 图 21-3 预分频从 1 变为 4 的波形 ...........................................................................................................................................484 图 21-4 向上计数波形,内部时钟不分频 ...............................................................................................................................485 图 21-5 向上计数波形,内部时钟 2 分频 ...............................................................................................................................486 图 21-6ARPE=0(ARR 没有预装载)时的更新事件 ................................................................................................................486 图 21-7ARPE=1(ARR 预装载)时的更新事件 ........................................................................................................................487 图 21-8 内部时钟源模式,时钟分频因子为 1 ........................................................................................................................487 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 22 图目录 图 22-1 LPTIM 结构框图 ............................................................................................................................................................495 图 22-2 外部 ETR 脉冲上升沿触发计数 ...................................................................................................................................496 图 22-3 外部 ETR 脉冲异步计数 ...............................................................................................................................................496 图 22-4TIMEOUT 模式..................................................................................................................................................................497 图 22-5PWM 输出......................................................................................................................................................................498 图 22-6PWM 输出......................................................................................................................................................................499 图 23-1RTC 结构框图 ................................................................................................................................................................508 图 23-2LTBC 结构框图 ...............................................................................................................................................................509 图 23-3 RTC 时间读取流程图 ....................................................................................................................................................513 图 24-1 LCD 显示控制模块结构框图 ........................................................................................................................................526 图 24-2LCD 驱动波形(1/4 DUTY, 1/3 BIAS, TYPE A) ........................................................................................................................529 图 24-3 LCD 驱动波形(1/4 DUTY, 1/3 BIAS, TYPE B)........................................................................................................................530 图 24-4 LCD 片内电阻 BUFFER 型驱动电路 ................................................................................................................................531 图 25-1 ADC 结构框图 ...............................................................................................................................................................546 图 25-2 单端输入 ......................................................................................................................................................................547 图 25-3 差分输入 ......................................................................................................................................................................548 图 25-4 ADC 工作时序图 ...........................................................................................................................................................549 图 25-5 ADC 连续转换时序图 ...................................................................................................................................................550 图 25-6 ADC 转换过程中关闭使能 ...........................................................................................................................................550 图 25-7 ADC 单端输入通道示意图 ...........................................................................................................................................553 图 25-8 ADC 差分输入通道示意图 ...........................................................................................................................................554 图 25-9 ADC 触发通道示意图 ...................................................................................................................................................556 图 25-10 ADC 触发信号滤波 .....................................................................................................................................................556 图 25-11 ADC 工作时钟 .............................................................................................................................................................558 图 25-12 连续模式下的自动等待 ............................................................................................................................................558 图 25-13 模拟看门狗 ................................................................................................................................................................559 图 26-1 BEEPER 结构框图 ............................................................................................................................................................570 图 27-1 普通 GPIO 结构框图 ....................................................................................................................................................573 图 27-2 真开漏 GPIO 结构框图 ................................................................................................................................................574 图 27-3 普通 GPIO(两路上拉)结构框图 ..............................................................................................................................575 图 27-4 引脚输入数字滤波 .......................................................................................................................................................582 图 27-5 EXTI 信号输入示意图 ...................................................................................................................................................583 产品说明书 FM33L0 低功耗 MCU 芯片 版本 1.8 23 1 产品综述 1 产品综述 1.1 概述 FM33L0的主要特性如下: ⚫ 宽电压范围:1.8~5.5V ⚫ 工作温度范围:-40℃~+85℃ ⚫ 处理器内核 ⚫ ⚫ ⚫ ⚫ ◼ ARM Cortex-M0 ◼ 支持用户/特权模式 ◼ 最高主频48Mhz ◼ SWD调试接口 低功耗技术平台 ◼ 典型运行功耗105uA/MHz@48Mhz ◼ 32KHz下LPRUN功耗:
FM33L013 价格&库存

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