ATMEGA168V-10MQ

8-bit AVR Microcontrollers ATmega48/V / 88/V / 168/V DATASHEET SUMMARY Introduction ® The Atmel ATmega48/V/ 88/V /168/V is a low-power CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega48/V/ 88/V /168/V achieves throughputs close to 1MIPS per MHz. This empowers system designer to optimize the device for power consumption versus processing speed. Feature High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family • Advanced RISC Architecture – 131 Powerful Instructions – Most Single Clock Cycle Execution – 32 x 8 General Purpose Working Registers – Fully Static Operation – Up to 20 MIPS Throughput at 20MHz – On-chip 2-cycle Multiplier • High Endurance Non-volatile Memory Segments – 4K/8K/16KBytes of In-System Self-Programmable Flash program Memory – 256/512/512Bytes EEPROM – 512/1K/1KBytes Internal SRAM – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM – Data Retention: 20 years at 85°C/100 years at 25°C(1) – Optional Boot Code Section with Independent Lock Bits • In-System Programming by On-chip Boot Program • True Read-While-Write Operation – Programming Lock for Software Security • Atmel® QTouch® Library Support – Capacitive Touch Buttons, Sliders and Wheels – QTouch and QMatrix® Acquisition – Up to 64 sense channels Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 • • • • • • • Peripheral Features – Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode – Real Time Counter with Separate Oscillator – Six PWM Channels – 8-channel 10-bit ADC in TQFP and QFN/MLF package • Temperature Measurement – 6-channel 10-bit ADC in PDIP Package • Temperature Measurement – Two Master/Slave SPI Serial Interface – One Programmable Serial USART – One Byte-oriented 2-wire Serial Interface (Philips I2C compatible) – Programmable Watchdog Timer with Separate On-chip Oscillator – One On-chip Analog Comparator – Interrupt and Wake-up on Pin Change Special Microcontroller Features – Power-on Reset and Programmable Brown-out Detection – Internal Calibrated Oscillator – External and Internal Interrupt Sources – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby I/O and Packages – 23 Programmable I/O Lines – 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF Operating Voltage: – 2.7 - 5.5V for ATmega48/88/168 – 1.8 - 5.5V for ATmega48V/88V/168V Temperature Range: – -40°C to 85°C Speed Grade: – ATmega48/88/168: 0 - 10MHz @ 2.7V - 5.5V, 0 - 20MHz @ 4.5V - 5.5V – ATmega48V/88V/168V: 0 - 4MHz @ 1.8V - 5.5V, 0 - 10MHz @ 2.7V - 5.5V Power Consumption at 1MHz, 1.8V, 25°C – Active Mode: 0.3mA – Power-down Mode: 0.1μA – Power-save Mode: 0.8μA (Including 32kHz RTC) Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 2 Table of Contents Introduction......................................................................................................................1 Feature............................................................................................................................ 1 1. Description.................................................................................................................4 2. Configuration Summary............................................................................................. 5 3. Ordering Information .................................................................................................6 3.1. 3.2. 3.3. ATmega48/V.................................................................................................................................6 ATmega88/V.................................................................................................................................7 ATmega168/V...............................................................................................................................8 4. Block Diagram........................................................................................................... 9 5. Pin Configurations................................................................................................... 10 5.1. 5.2. Pin-out........................................................................................................................................ 10 Pin Descriptions..........................................................................................................................13 6. I/O Multiplexing........................................................................................................ 15 7. Resources................................................................................................................17 8. Data Retention.........................................................................................................18 9. About Code Examples............................................................................................. 19 10. Capacitive Touch Sensing....................................................................................... 20 10.1. QTouch Library........................................................................................................................... 20 11. Packaging Information............................................................................................. 21 11.1. 11.2. 11.3. 11.4. 32-pin 32A.................................................................................................................................. 21 32-pin 32M1-A............................................................................................................................22 28-pin 28M1................................................................................................................................23 28-pin 28P3................................................................................................................................ 24 1. Description The Atmel AVR® core combines a rich instruction set with 32 general purpose working registers. All the 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in a single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. The ATmega48/V/ 88/V /168/V provides the following features: 4K/8K/16Kbytes of In-System Programmable Flash with Read-While-Write capabilities, 256/512/512bytes EEPROM, 512/1K/1Kbytes SRAM, 23 general purpose I/O lines, 32 general purpose working registers, Real Time Counter (RTC), three flexible Timer/Counters with compare modes and PWM, 1 serial programmable USARTs , 1 byteoriented 2-wire Serial Interface (I2C), a 6-channel 10-bit ADC (8 channels in TQFP and QFN/MLF packages) , a programmable Watchdog Timer with internal Oscillator, an SPI serial port, and six software selectable power saving modes. The Idle mode stops the CPU while allowing the SRAM, Timer/Counters, SPI port, and interrupt system to continue functioning. The Power-down mode saves the register contents but freezes the Oscillator, disabling all other chip functions until the next interrupt or hardware reset. In Power-save mode, the asynchronous timer continues to run, allowing the user to maintain a timer base while the rest of the device is sleeping. The ADC Noise Reduction mode stops the CPU and all I/O modules except asynchronous timer and ADC to minimize switching noise during ADC conversions. In Standby mode, the crystal/resonator oscillator is running while the rest of the device is sleeping. This allows very fast start-up combined with low power consumption. In Extended Standby mode, both the main oscillator and the asynchronous timer continue to run. Atmel offers the QTouch® library for embedding capacitive touch buttons, sliders and wheels functionality into AVR microcontrollers. The patented charge-transfer signal acquisition offers robust sensing and includes fully debounced reporting of touch keys and includes Adjacent Key Suppression® (AKS™) technology for unambiguous detection of key events. The easy-to-use QTouch Suite toolchain allows you to explore, develop and debug your own touch applications. The device is manufactured using Atmel’s high density non-volatile memory technology. The On-chip ISP Flash allows the program memory to be reprogrammed In-System through an SPI serial interface, by a conventional nonvolatile memory programmer, or by an On-chip Boot program running on the AVR core. The Boot program can use any interface to download the application program in the Application Flash memory. Software in the Boot Flash section will continue to run while the Application Flash section is updated, providing true Read-While-Write operation. By combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the Atmel ATmega48/V/ 88/V /168/V is a powerful microcontroller that provides a highly flexible and cost effective solution to many embedded control applications. The ATmega48/V/ 88/V /168/V is supported with a full suite of program and system development tools including: C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators, and Evaluation kits. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 4 2. Configuration Summary Features ATmega48/V/ 88/V /168/V Pin Count 28/32 Flash (Bytes) 4K/8K/16K SRAM (Bytes) 512/1K/1K EEPROM (Bytes) 256/512/512 Interrupt Vector Size (instruction word/vector) 1/1/2 General Purpose I/O Lines 23 SPI 2 TWI (I2C) 1 USART 1 ADC 10-bit 15kSPS ADC Channels 8 8-bit Timer/Counters 2 16-bit Timer/Counters 1 ATmega88/V and ATmega168/V support a real Read-While-Write Self-Programming mechanism. There is a separate Boot Loader Section, and the SPM instruction can only execute from there. In ATmega48/V, there is no Read-While-Write support and no separate Boot Loader Section. The SPM instruction can execute from the entire Flash. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 5 3. Ordering Information 3.1. ATmega48/V Speed [MHz](3) Power Supply [V] Ordering Code(2) Package(1) Operational Range 10 1.8V - 5.5V ATmega48V-10AUR(5) ATmega48V-10MUR(5) ATmega48V-10AU ATmega48V-10MMU ATmega48V-10MMUR(5) ATmega48V-10MMH(4) ATmega48V-10MMHR(4)(5) ATmega48V-10MU ATmega48V-10PU 32A 32M1-A 32A 28M1 28M1 28M1 28M1 32M1-A 28P3 Industrial (-40°C to 85°C) 20 2.7 - 5.5 ATmega48-20AUR(5) ATmega48-20MUR(5) ATmega48-20AU ATmega48-20MMU ATmega48-20MMUR(5) ATmega48-20MMH(4) ATmega48-20MMHR(4)(5) ATmega48-20MU ATmega48-20PU 32A 32M1-A 32A 28M1 28M1 28M1 28M1 32M1-A 28P3 Industrial (-40°C to 85°C) Note:  1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also Halide free and fully Green. 3. Please refer to Speed Grades for Speed vs. VCC 4. Tape & Reel. 5. NiPdAu Lead Finish. Package Type 28M1 28-pad, 4 x 4 x 1.0 body, Lead Pitch 0.45mm Quad Flat No-Lead/Micro Lead Frame Package (QFN/ MLF) 28P3 28-lead, 0.300” Wide, Plastic Dual Inline Package (PDIP) 32M1-A 32-pad, 5 x 5 x 1.0 body, Lead Pitch 0.50mm Quad Flat No-Lead/Micro Lead Frame Package (QFN/ MLF) 32A 32-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP) Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 6 3.2. ATmega88/V Speed [MHz](3) Power Supply [V] Ordering Code(2) Package(1) Operational Range 10 1.8V - 5.5V ATmega88V-10AUR(4) ATmega88V-10MUR(4) ATmega88V-10AU ATmega88V-10MU ATmega88V-10PU 32A 32M1-A 32A 32M1-A 28P3 Industrial (-40°C to 85°C) 20 2.7 - 5.5 ATmega88-20AUR(4) ATmega88-20MUR(4) ATmega88-20AU ATmega88-20MU ATmega88-20PU 32A 32M1-A 32A 32M1-A 28P3 Industrial (-40°C to 85°C) Note:  1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also Halide free and fully Green. 3. Please refer to Speed Grades for Speed vs. VCC 4. Tape & Reel. Package Type 28P3 28-lead, 0.300” Wide, Plastic Dual Inline Package (PDIP) 32M1-A 32-pad, 5 x 5 x 1.0 body, Lead Pitch 0.50mm Quad Flat No-Lead/Micro Lead Frame Package (QFN/ MLF) 32A 32-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP) Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 7 3.3. ATmega168/V Speed [MHz](3) Power Supply [V] Ordering Code(2) Package(1) Operational Range 10 1.8V - 5.5V ATmega168V-10AUR(4) ATmega168V-10MUR(4) ATmega168V-10AU ATmega168V-10MU ATmega168V-10PU 32A 32M1-A 32A 32M1-A 28P3 Industrial (-40°C to 85°C) 20 2.7 - 5.5 ATmega168-20AUR(4) ATmega168-20MUR(4) ATmega168-20AU ATmega168-20MU ATmega168-20PU 32A 32M1-A 32A 32M1-A 28P3 Industrial (-40°C to 85°C) Note:  1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also Halide free and fully Green. 3. Please refer to Speed Grades for Speed vs. VCC 4. Tape & Reel. Package Type 28P3 28-lead, 0.300” Wide, Plastic Dual Inline Package (PDIP) 32M1-A 32-pad, 5 x 5 x 1.0 body, Lead Pitch 0.50mm Quad Flat No-Lead/Micro Lead Frame Package (QFN/ MLF) 32A 32-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP) Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 8 4. Block Diagram Figure 4-1. Block Diagram SRAM debugWire CPU OCD Clock generation XTAL1 / TOSC1 XTAL2 / TOSC2 32.768kHz XOSC 8MHz Calib RC External clock 16MHz LP XOSC VCC 128kHz int osc Power Supervision POR/BOD & RESET RESET GND ADC6,ADC7,PC[5:0] AREF ADC[7:0] AREF PD[7:0], PC[6:0], PB[7:0] PD3, PD2 PCINT[23:0] INT[1:0] PB1, PB2 PD5 PB0 OC1A/B T1 ICP1 PB3 PD3 OC2A OC2B NVM programming Power management and clock control Watchdog Timer ADC EXTINT FLASH D A T A B U S EEPROM EEPROMIF I/O PORTS I N / O U T PB[7:0] PC[6:0] PD[7:0] GPIOR[2:0] TC 0 D A T A B U S (8-bit) SPI 0 AC Internal Reference USART 0 RxD0 TxD0 XCK0 PD0 PD1 PD4 TWI 0 SDA0 SCL0 PC4 PC5 T0 OC0A OC0B PD4 PD6 PD5 MISO0 MOSI0 SCK0 SS0 PB4 PB3 PB5 PB2 AIN0 AIN1 PD6 PD7 ADCMUX ADC6, ADC7 PC[5:0] TC 1 (16-bit) TC 2 (8-bit async) Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 9 5. Pin Configurations 5.1. Pin-out Figure 5-1. 28-pin PDIP (PCINT14/RESET) PC6 1 28 PC5 (ADC5/SCL/PCINT13) (PCINT16/RXD) PD0 2 27 PC4 (ADC4/SDA/PCINT12) (PCINT17/TXD) PD1 3 26 PC3 (ADC3/PCINT11) (PCINT18/INT0) PD2 4 25 PC2 (ADC2/PCINT10) (PCINT19/OC2B/INT1) PD3 5 24 PC1 (ADC1/PCINT9) (PCINT20/XCK/T0) PD4 6 23 PC0 (ADC0/PCINT8) VCC 7 22 GND GND 8 21 AREF (PCINT6/XTAL1/TOSC1) PB6 9 20 AVCC (PCINT7/XTAL2/TOSC2) PB7 10 19 PB5 (SCK/PCINT5) (PCINT21/OC0B/T1) PD5 11 18 PB4 (MISO/PCINT4) (PCINT22/OC0A/AIN0) PD6 12 17 PB3 (MOSI/OC2A/PCINT3) (PCINT23/AIN1) PD7 13 16 PB2 (SS/OC1B/PCINT2) (PCINT0/CLKO/ICP1) PB0 14 15 PB1 (OC1A/PCINT1) Power Ground Programming/debug Digital Analog Crystal/Osc Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 10 PD2 (INT0/PCINT18) PD1 (TXD/PCINT17) PD0 (RXD/PCINT16) PC6 (RESET/PCINT14) PC5 (ADC5/SCL/PCINT13) PC4 (ADC4/SDA/PCINT12) PC3 (ADC3/PCINT11) 28 27 26 25 24 23 22 Figure 5-2. 28-pin MLF Top View Power Ground Programming/debug Digital Analog Crystal/CLK 4 18 GND (PCINT6/XTAL1/TOSC1) PB6 5 17 AREF (PCINT7/XTAL2/TOSC2) PB7 6 16 AVCC (PCINT21/OC0B/T1) PD5 7 15 PB5 (SCK/PCINT5) (PCINT4/MISO) PB4 Bottom pad should be soldered to ground 14 GND (PCINT3/OC2A/MOSI) PB3 PC0 (ADC0/PCINT8) 13 19 (PCINT2/SS/OC1B) PB2 3 12 VCC (PCINT1/OC1A) PB1 PC1 (ADC1/PCINT9) 11 20 10 2 (PCINT0/CLKO/ICP1) PB0 (PCINT20/XCK/T0) PD4 9 PC2 (ADC2/PCINT10) (PCINT23/AIN1) PD7 21 8 1 (PCINT22/OC0A/AIN0) PD6 (PCINT19/OC2B/INT1) PD3 Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 11 PC6 (RESET/PCINT14) PC5 (ADC5/SCL/PCINT13) PC4 (ADC4/SDA/PCINT12) 29 28 27 Digital Analog Crystal/CLK PC2 (ADC2/PCINT10) PD0 (RXD/PCINT16) 30 Programming/debug 25 PD1 (TXD/PCINT17) 31 Ground 26 PD2 (INT0/PCINT18) 32 Power PC3 (ADC3/PCINT11) Figure 5-3. 32-pin TQFP Top View GND 5 20 AREF VCC 6 19 ADC6 (PCINT6/XTAL1/TOSC1) PB6 7 18 AVCC (PCINT7/XTAL2/TOSC2) PB7 8 17 PB5 (SCK/PCINT5) 16 GND (PCINT4/MISO) PB4 21 15 4 (PCINT3/OC2A/MOSI) PB3 VCC 14 ADC7 (PCINT2/SS/OC1B) PB2 22 13 3 (PCINT1/OC1A) PB1 GND 12 PC0 (ADC0/PCINT8) (PCINT0/CLKO/ICP1) PB0 23 11 2 (PCINT23/AIN1) PD7 (PCINT20/XCK/T0) PD4 10 PC1 (ADC1/PCINT9) (PCINT22/OC0A/AIN0) PD6 24 9 1 (PCINT21/OC0B/T1) PD5 (PCINT19/OC2B/INT1) PD3 Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 12 PD2 (INT0/PCINT18) PD1 (TXD/PCINT17) PD0 (RXD/PCINT16) PC6 (RESET/PCINT14) PC5 (ADC5/SCL/PCINT13) PC4 (ADC4/SDA/PCINT12) PC3 (ADC3/PCINT11) PC2 (ADC2/PCINT10) 32 31 30 29 28 27 26 25 Figure 5-4. 32-pin MLF Top View Power Ground Programming/debug Digital Analog Crystal/CLK GND 5 20 AREF VCC 6 19 ADC6 (PCINT6/XTAL1/TOSC1) PB6 7 18 AVCC (PCINT7/XTAL2/TOSC2) PB7 8 17 PB5 (SCK/PCINT5) 16 GND (PCINT4/MISO) PB4 21 15 4 (PCINT3/OC2A/MOSI) PB3 VCC 14 ADC7 (PCINT2/SS/OC1B) PB2 22 13 3 (PCINT1/OC1A) PB1 GND 12 PC0 (ADC0/PCINT8) (PCINT0/CLKO/ICP1) PB0 23 11 2 (PCINT23/AIN1) PD7 (PCINT20/XCK/T0) PD4 10 PC1 (ADC1/PCINT9) (PCINT22/OC0A/AIN0) PD6 24 9 1 (PCINT21/OC0B/T1) PD5 (PCINT19/OC2B/INT1) PD3 Bottom pad should be soldered to ground 5.2. Pin Descriptions 5.2.1. VCC Digital supply voltage. 5.2.2. GND Ground. 5.2.3. Port B (PB[7:0]) XTAL1/XTAL2/TOSC1/TOSC2 Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port B output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up resistors are activated. The Port B pins are tri-stated when a reset condition becomes active, even if the clock is not running. Depending on the clock selection fuse settings, PB6 can be used as input to the inverting Oscillator amplifier and input to the internal clock operating circuit. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 13 Depending on the clock selection fuse settings, PB7 can be used as output from the inverting Oscillator amplifier. If the Internal Calibrated RC Oscillator is used as chip clock source, PB[7:6] is used as TOSC[2:1] input for the Asynchronous Timer/Counter2 if the AS2 bit in ASSR is set. 5.2.4. Port C (PC[5:0]) Port C is a 7-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The PC[5:0] output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port C pins that are externally pulled low will source current if the pull-up resistors are activated. The Port C pins are tri-stated when a reset condition becomes active, even if the clock is not running. 5.2.5. PC6/RESET If the RSTDISBL Fuse is programmed, PC6 is used as an I/O pin. Note that the electrical characteristics of PC6 differ from those of the other pins of Port C. If the RSTDISBL Fuse is unprogrammed, PC6 is used as a Reset input. A low level on this pin for longer than the minimum pulse length will generate a Reset, even if the clock is not running. Shorter pulses are not guaranteed to generate a Reset. The various special features of Port C are elaborated in the Alternate Functions of Port C section. 5.2.6. Port D (PD[7:0]) Port D is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port D output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs, Port D pins that are externally pulled low will source current if the pull-up resistors are activated. The Port D pins are tri-stated when a reset condition becomes active, even if the clock is not running. 5.2.7. AVCC AVCC is the supply voltage pin for the A/D Converter, PC[3:0], and PE[3:2]. It should be externally connected to VCC, even if the ADC is not used. If the ADC is used, it should be connected to VCC through a low-pass filter. Note that PC[6:4] use digital supply voltage, VCC. 5.2.8. AREF AREF is the analog reference pin for the A/D Converter. 5.2.9. ADC[7:6] (TQFP and VFQFN Package Only) In the TQFP and VFQFN package, ADC[7:6] serve as analog inputs to the A/D converter. These pins are powered from the analog supply and serve as 10-bit ADC channels. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 14 6. I/O Multiplexing Each pin is by default controlled by the PORT as a general purpose I/O and alternatively it can be assigned to one of the peripheral functions. The following table describes the peripheral signals multiplexed to the PORT I/O pins. Table 6-1. PORT Function Multiplexing (32-pin MLF/TQFP) Pin# (28-pin MLF) Pin# (28-pin PIPD) Pin# PAD EXTINT PCINT 1 1 5 PD[3] INT1 2 2 6 PD[4] 4 3 7 VCC 3 4 8 GND 6 - - VCC 5 - - GND 7 5 9 PB[6] PCINT6 XTAL1/ TOSC1 8 6 10 PB[7] PCINT7 XTAL2/ TOSC2 9 7 11 PD[5] PCINT21 OC0B 10 8 12 PD[6] PCINT22 AIN0 OC0A 11 9 13 PD[7] PCINT23 AIN1 12 10 14 PB[0] PCINT0 13 11 15 PB[1] PCINT1 OC1A 14 12 16 PB[2] PCINT2 OC1B SS0 15 13 17 PB[3] PCINT3 OC2A MOSI0 16 14 18 PB[4] PCINT4 MISO0 17 15 19 PB[5] PCINT5 SCK0 18 16 20 AVCC 19 - - ADC6 20 17 21 AREF 21 18 22 GND 22 - - ADC7 23 19 13 PC[0] PCINT8 ADC0 24 20 24 PC[1] PCINT9 ADC1 25 21 25 PC[2] PCINT10 ADC2 26 22 26 PC[3] PCINT11 ADC3 27 23 27 PC[4] PCINT12 ADC4 SDA0 28 24 28 PC[5] PCINT13 ADC5 SCL0 29 25 1 PC[6]/ RESET PCINT14 ADC/AC OSC T/C #0 T/C #1 PCINT19 OC2B PCINT20 T0 CLKO USART 0 I2C 0 SPI 0 XCK0 T1 ICP1 ADC6 ADC7 Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 15 (32-pin MLF/TQFP) Pin# (28-pin MLF) Pin# (28-pin PIPD) Pin# PAD EXTINT PCINT 30 26 2 PD[0] PCINT16 RXD0 31 27 3 PD[1] PCINT17 TXD0 32 28 4 PD[2] INT0 ADC/AC OSC T/C #0 T/C #1 USART 0 I2C 0 SPI 0 PCINT18 Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 16 7. Resources A comprehensive set of development tools, application notes, and datasheets are available for download on http://www.atmel.com/avr. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 17 8. Data Retention Reliability Qualification results show that the projected data retention failure rate is much less than 1 PPM over 20 years at 85°C. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 18 9. About Code Examples This documentation contains simple code examples that briefly show how to use various parts of the device. These code examples assume that the part specific header file is included before compilation. Be aware that not all C compiler vendors include bit definitions in the header files and interrupt handling in C is compiler dependent. Confirm with the C compiler documentation for more details. For I/O Registers located in extended I/O map, “IN”, “OUT”, “SBIS”, “SBIC”, “CBI”, and “SBI” instructions must be replaced with instructions that allow access to extended I/O. Typically “LDS” and “STS” combined with “SBRS”, “SBRC”, “SBR”, and “CBR”. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 19 10. 10.1. Capacitive Touch Sensing QTouch Library ® ® The Atmel QTouch Library provides a simple to use solution to realize touch sensitive interfaces on ® most Atmel AVR microcontrollers. The QTouch Library includes support for the Atmel QTouch and Atmel ® QMatrix acquisition methods. Touch sensing can be added to any application by linking the appropriate Atmel QTouch Library for the AVR Microcontroller. This is done by using a simple set of APIs to define the touch channels and sensors, and then calling the touch sensing API’s to retrieve the channel information and determine the touch sensor states. The QTouch Library is FREE and downloadable from the Atmel website at the following location: http:// www.atmel.com/technologies/touch/. For implementation details and other information, refer to the Atmel QTouch Library User Guide - also available for download from the Atmel website. Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 20 11. Packaging Information 11.1. 32-pin 32A PIN 1 IDENTIFIER PIN 1 e B E1 E D1 D C 0°~7° L A1 A2 A COMMON DIMENSIONS (Unit of measure = mm) Notes: 1. This package conforms to JEDEC reference MS-026, Variation ABA. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25mm per side. Dimensions D1 and E1 are maximum plastic body size dimensions including mold mismatch. 3. Lead coplanarity is 0.10mm maximum. SYMBOL MIN NOM MAX A – – 1.20 A1 0.05 – 0.15 A2 0.95 1.00 1.05 D 8.75 9.00 9.25 D1 6.90 7.00 7.10 E 8.75 9.00 9.25 E1 6.90 7.00 7.10 – 0.45 – 0.20 – 0.75 B 0.30 C 0.09 L 0.45 e NOTE Note 2 Note 2 0.80 TYP 2010-10-20 TITLE 32A, 32-lead, 7 x 7mm body size, 1.0mm body thickness, 0.8mm lead pitch, thin profile plastic quad flat package (TQFP) DRAWING NO. REV. 32A C Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 21 11.2. 32-pin 32M1-A D D1 1 2 3 0 Pin 1 ID E1 SIDE VIEW E TOP VIEW A3 A2 A1 A K 0.08 C P D2 1 2 3 Pin #1 Notch (0.20 R) NOM MAX 0.80 0.90 1.00 A1 – 0.02 0.05 A2 – 0.65 1.00 A3 E2 K b MIN A SYMBOL P e COMMON DIMENSIONS (Unit of Measure = mm) L BOTTOM VIEW 0.20 REF b 0.18 0.23 0.30 D 4.90 5.00 5.10 D1 4.70 4.75 4.80 D2 2.95 3.10 3.25 E 4.90 5.00 5.10 E1 4.70 4.75 4.80 E2 2.95 3.10 3.25 e Note : JEDEC Standard MO-220, Fig . 2 (Anvil Singulation), VHHD-2 . NOTE 0.50 BSC L 0.30 0.40 0.50 P – – 0 – – 0.60 o 12 K 0.20 – – 03/14/2014 32M1-A , 32-pad, 5 x 5 x 1.0mm Bod y, Lead Pitch 0.50mm , 3.10mm Exposed P ad, Micro Lead Frame P a ckage (MLF) 32M1-A Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 F 22 11.3. 28-pin 28M1 D C 1 2 Pin 1 ID 3 E SIDEVIEW A1 TOP VIEW A K y D2 1 0.45 2 R 0.20 3 E2 b L e 0.4 Ref (4x) BOTTOM VIEW Note: The ter mi na l #1 ID is a Laser -ma r ked Feat ur e . COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN A A1 b C D D2 E E2 e L y K 0.80 0.00 0.17 3.95 2.35 3.95 2.35 0.35 0.00 0.20 NOM MAX NOTE 0.90 1.00 0.02 0.05 0.22 0.27 0.20 REF 4.00 4.05 2.40 2.45 4.00 4.05 2.40 2.45 0.45 0.40 0.45 – 0.08 – – 10/24/08 Package Drawing Contact: packagedrawings@atmel.com TITLE 28M1,28-pad,4 x 4 x 1.0mm Body, Lead Pitch 0.45mm, 2.4 x 2.4mm Exposed Pad, Thermally Enhanced Plastic Very Thin Quad Flat No Lead Package (VQFN) GPC ZBV DRAWING NO. 28M1 Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 REV. B 23 11.4. 28-pin 28P3 D PIN 1 E1 A SEATING PLANE L B2 B1 A1 B (4 PLACES) 0º ~ 15º REF e E C COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL eB Note: 1. Dimensions D and E1 do not include mold Flash or Protrusion. Mold Flash or Protrusion shall not exceed 0.25mm (0.010"). MIN NOM MAX A – – 4.5724 A1 0.508 – – D 34.544 – 34.798 E 7.620 – 8.255 E1 7.112 – 7.493 B 0.381 – 0.533 B1 1.143 – 1.397 B2 0.762 – 1.143 L 3.175 – 3.429 C 0.203 – 0.356 eB – – 10.160 e NOTE Note 1 Note 1 2.540 TYP 09/28/01 2325 Orchard Parkway San Jose, CA 95131 TITLE 28P3, 28-lead (0.300"/7.62mm Wide) Plastic Dual Inline Package (PDIP) DRAWING NO. REV. 28P3 B Atmel ATmega48/V / 88/V / 168/V [DATASHEET] Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 24 Atmel Corporation © 1600 Technology Drive, San Jose, CA 95110 USA T: (+1)(408) 441.0311 F: (+1)(408) 436.4200 | www.atmel.com 2016 Atmel Corporation. / Rev.: Atmel-2545W-ATmega48/V/88/V/168/V_Datasheet_Summary-11/2016 ® ® ® Atmel , Atmel logo and combinations thereof, Enabling Unlimited Possibilities , AVR , and others are registered trademarks or trademarks of Atmel Corporation in U.S. and other countries. Other terms and product names may be trademarks of others. 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