LC87F76C8A

Ordering number : ENA0858 LC87F76C8A Overview CMOS IC FROM 128K byte, RAM 4K byte on-chip 8-bit 1-chip Microcontroller The LC87F76C8A is an 8-bit microcomputer that, centered around a CPU running at a minimum bus cycle time of 83.3ns, integrates on a single chip a number of hardware features such as 128K-byte flash ROM (onboard programmable), 4K-byte RAM, an on-chip debugger, an LCD controller/driver, a sophisticated 16-bit timer/counter (may be divided into 8-bit timers), a 16-bit timer (may be divided into 8-bit timers or 8-bit PWMs), four 8-bit timers with a prescaler, a base timer serving as a time-of-day clock, a day and time counter, a synchronous SIO interface (with automatic block transmission/reception capabilities), an asynchronous/synchronous SIO interface, a UART interface (full duplex), a 8-bit 12-channel AD converter, two 12-bit PWM channels, a high-speed clock counter, a system clock frequency divider, a small signal detector, an infrared remote controller receiver function, and a 22-source 10-vector interrupt feature. Features •Flash ROM • Capable of on-board-programming with a wide range of souce voltages: 3.0 to 5.5V. • Block-erasable in 2-byte units • 131072 × 8 bits (LC87F76C8A) •RAM • 4096 × 9 bits (LC87F76C8A) •Minimum Bus Cycle Time • 83.3ns (12MHz) VDD=3.0 to 5.5V • 125ns (8MHz) VDD=2.5 to 5.5V • 250ns (4MHz) VDD=2.2 to 5.5V Note: The bus cycle time here refers to the ROM read speed. * This product is licensed from Silicon Storage Technology, Inc. (USA), and manufactured and sold by SANYO Semiconductor Co., Ltd. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. Ver.0.09 30409HKIM 20070523-S00003 No.A0858-1/24 LC87F76C8A •Minimum Instruction Cycle Time (tCYC) • 250ns (12MHz) VDD=3.0 to 5.5V • 375ns (8MHz) VDD=2.5 to 5.5V • 750ns (4MHz) VDD=2.2 to 5.5V •Ports • Normal withstand voltage I/O ports Ports whose I/O direction can be designated in 1-bit units Ports whose I/O direction can be designated in 4-bit units • Normal withstand voltage input port • LCD ports Segment output Common output Bias terminals for LCD driver Other functions Input/output ports Input ports • Dedicated oscillator ports • Reset pins • Power pins 23 (P1n, P30 to P31, P70 to P73, P8n, XT2) 8 (P0n) 1 (XT1) 32 (S00 to S31) 4 (COM0 to COM3) 3 (V1 to V3) 32 (PAn, PBn, PCn, PDn,) 7 (PLn) 2 (CF1, CF2) 1 (RES) 6 (VSS1 to VSS3, VDD1 to VDD3) •LCD Controller 1) Seven display modes are available (static, 1/2, 1/3, 1/4 duty × 1/2, 1/3 bias) 2) Segment output and common output can be switched to general-purpose input/output ports •Small Signal Detection (MIC signals etc) 1) Counts pulses with the level which is greater than a preset value 2) 2-bit counter •Timers • Timer 0: 16-bit timer/counter with two capture registers. Mode 0: 8-bit timer with an 8-bit programmable prescaler (with 8-bit capture registers) × 2 channels Mode 1: 8-bit timer with an 8-bit programmable prescaler (with 8-bit capture registers) + 8-bit counter (with two 8-bit capture registers) Mode 2: 16-bit timer with an 8-bit programmable prescaler (with 16-bit capture registers) Mode 3: 16-bit counter (with 16-bit capture registers) • Timer 1: 16-bit timer that supports PWM/toggle outputs Mode 0: 8-bit timer with an 8-bit prescaler (with toggle outputs) + 8-bit timer with an 8-bit prescaler (with toggle outputs) Mode 1: 8-bit PWM with an 8-bit prescaler × 2 channels Mode 2: 16-bit timer/counter with an 8-bit prescaler (with toggle outputs) (toggle outputs also possible from the lower-order 8 bits) Mode 3: 16-bit timer with an 8-bit prescaler (with toggle outputs) (The lower-order 8 bits can be used as PWM.) • Timer 4: 8-bit timer with a 6-bit prescaler • Timer 5: 8-bit timer with a 6-bit prescaler • Timer 6: 8-bit timer with a 6-bit prescaler (with toggle output) • Timer 7: 8-bit timer with a 6-bit prescaler (with toggle output) • Base timer 1) The clock is selectable from the subclock (32.768kHz crystal oscillation), system clock, and timer 0 prescaler output. 2) Interrupts programmable in 5 different time schemes • Day and time counter 1) Used with a base timer, the day and time counter can be used as a 65000 day + minute + second counter. No.A0858-2/24 LC87F76C8A •High-speed Clock Counter 1) Can count clocks with a maximum clock rate of 20MHz (at a main clock of 10MHz). 2) Can generate output real-time. •SIO • SIO0: 8-bit synchronous serial interface 1) LSB first/MSB first mode selectable 2) Built-in 8-bit baudrate generator (maximum transfer clock cycle = 4/3 tCYC) 3) Automatic continuous data transmission (1 to 256 bits specifiable in 1-bit units, suspension and resumption of data transmission possible in 1-byte units) • SIO1: 8-bit asynchronous/synchronous serial interface Mode 0: Synchronous 8-bit serial I/O (2- or 3-wire configuration, 2 to 512 tCYC transfer clocks) Mode 1: Asynchronous serial I/O (half-duplex, 8-data bits, 1-stop bit, 8 to 2048 tCYC baudrates) Mode 2: Bus mode 1 (start bit, 8-data bits, 2 to 512 tCYC transfer clocks) Mode 3: Bus mode 2 (start detect, 8-data bits, stop detect) •UART • Full duplex • 7/8/9 bit data bits selectable • 1 stop bit (2-bit in continuous data transmission) • Built-in baudrate generator * When using UART, set P0LDDR (PODDR: Bit0) to “0” •AD Converter: 12 bits × 12 channels •PWM: Multi frequency 12-bit PWM × 2 channels •Infrared Remote Control Receiver Circuit 1) Noise reduction function (Time constant of noise reduction filter: approx. 120μs, when selecting a 32.768kHz crystal oscillator as a reference clock.) 2) X’tal HOLD mode cancellation function •Watchdog Timer • External RC watchdog timer • Interrupt and reset signals selectable •Clock Output Function 1) Can output selected oscillation clock 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, or 1/64 as system clock. 2) Can output the source oscillation clock for the sub clock. No.A0858-3/24 LC87F76C8A •Interrupts • 22 sources, 10 vector addresses 1) Provides three levels (low (L), high (H), and highest (X)) of multiplex interrupt control. Any interrupt requests of the level equal to or lower than the current interrupt are not accepted. 2) When interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level takes precedence over the other interrupts. For interrupts of the same level, the interrupt into the smallest vector address takes precedence. No. 1 2 3 4 5 6 7 8 9 10 Vector Address 00003H 0000BH 00013H 0001BH 00023H 0002BH 00033H 0003BH 00043H 0004BH Level X or L X or L H or L H or L H or L H or L H or L H or L H or L H or L INT0 INT1 INT2/T0L/remote control receiver INT3/base timer T0H T1L/T1H SIO0/UART1 receive SIO1/UART1 transmit ADC/MIC/T6/T7/PWM4, PWM5 Port 0/T4/T5 Interrupt Source • Priority levels X > H > L • Of interrupts of the same level, the one with the smallest vector address takes precedence. • IFLG (List of interrupt source flag function) 1) Shows a list of interrupt source flags that caused a branching to a particular vector address •Subroutine Stack Levels: 2048 levels maximum (The stack is allocated in RAM.) •High-speed Multiplication/Division Instructions • 16 bits × 8 bits (5 tCYC execution time) • 24 bits × 16 bits (12 tCYC execution time) • 16 bits ÷ 8 bits (8 tCYC execution time) • 24 bits ÷ 16 bits (12 tCYC execution time) •Oscillation Circuits • RC oscillation circuit (internal): For system clock • CF oscillation circuit: For system clock, with internal Rf and external Rd • Crystal oscillation circuit: For low-speed system clock, with internal Rf and external Rd • Multifrequency RC oscillation circuit (internal): For system clock 1) Adjustable in ±4% (typ) increments from the selected center frequency. 2) Measures the frequency of the source oscillation clock using the input signal from XT1 as the reference. •System Clock Divider Function • Can run on low current. • The minimum instruction cycle selectable from 300ns, 600ns, 1.2μs, 2.4μs, 4.8μs, 9.6μs, 19.2μs, 38.4μs, and 76.8μs (at a main clock rate of 10MHz). •System Clock Divider Function • Can run on low current. • The minimum instruction cycle selectable from 300ns, 600ns, 1.2μs, 2.4μs, 4.8μs, 9.6μs, 19.2μs, 38.4μs, and 76.8μs (at a main clock rate of 10MHz). •System Clock Multiplier Function • Allows the 2 or 3 times the clock frequency to be selected when the crystal oscillation output is used as the system clock. No.A0858-4/24 LC87F76C8A •Standby Function • HALT mode: Halts instruction execution while allowing the peripheral circuits to continue operation. (Some parts of the serial transfer function stops operation.) 1) Oscillation is not stopped automatically. 2) Canceled by a system reset or occurrence of an interrupt • HOLD mode: Suspends instruction execution and the operation of the peripheral circuits. 1) The CF, RC, X’tal, and multifrequency RC oscillators automatically stop operation. 2) There are three ways of resetting the HOLD mode. (1) Setting the reset pin to the low level (2) Setting at least one of the INT0, INT1, and INT2, pins to the specified level (3) Having an interrupt source established at port 0 • X'tal HOLD mode: Suspends instruction execution and the operation of the peripheral circuits except the base timer and infrared remote controller circuit. 1) The CF, RC, and multifrequency RC oscillators automatically stop operation 2) The state of crystal oscillation established when the X'tal HOLD mode is entered is retained. 3) There are five ways of resetting the X'tal HOLD mode. (1) Setting the reset pin to the low level (2) Setting at least one of the INT0, INT1, and INT2 pins to the specified level (3) Having an interrupt source established at port 0 (4) Having an interrupt source established in the base timer circuit (5) Having an interrupt source established in the infrared remote control receiver circuit •On-chip Debugger • Supports software debugging with the IC mounted on the target board. •Package Form • QIP80(14×14): • TQFP80J(12×12): Lead-free type Lead-free type •Development Tools • On-chip debugger: TCB87-TypeB + LC87F76C8A •Flash ROM Programming Board Package QIP80(14×14) TQFP80J(12×12) Programming Boards W87F71256QF W87F71256SQ •Flash ROM Programmer Maker Flash Support Group, Inc (Single) Model AF9708/AF9709/AF9709B (including models manufactured by Ando Electric Co., Ltd.) AF9723 (main unit) (including models manufactured by Ando Flash Support Group, Inc (Gang) Electric Co., Ltd.) AF9833 (unit) (including models manufactured by Ando Electric Co., Ltd.) SANYO SKK(SANYO FWS) Application Version: After 1.04 Chip Data Version: After 2.09 LC87F76C8A LC87F76C8A LC87F76C8A Supported Version (Note) Device Note: Check for the latest version. •Same Package and Pin Assignment as Mask ROM Version. 1) LC877600 series options can be specified by using flash ROM data. Thus the board used for mass production can be used for debugging and evaluation without modifications. 2) If the program for the mask ROM version is used, the size of the available ROM/RAM spaces is the same as that of the mask ROM version. No.A0858-5/24 LC87F76C8A Package Dimensions unit : mm (typ) 3255 17.2 Package Dimensions unit : mm (typ) 3290 14.0 0.8 14.0 60 61 41 40 12.0 60 61 41 40 12.0 14.0 17.2 80 21 1 20 0.5 0.2 80 1 (0.83) 0.65 0.25 20 21 0.125 0.15 (1.25) 3.0max (2.7) 0.1 1.2max SANYO : QFP80(14X14) 0.1 (1.0) SANYO : TQFP80J(12X12) P14/SI1/SB1 P15/SCK1 P16/T1PWML P17/T1PWMH/BUZ RES XT1/AN10 XT2/AN11 VSS1 CF1 CF2 VDD1 P80/AN0 P81/AN1 P82/AN2 P83/AN3 P84/AN4 P85/AN5 P86/AN6 P87/MICIN/AN7 P70/INT0/T0LCP/AN8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 COM0/PL0 COM1/PL1 COM2/PL2 COM3/PL3 P30/ PWM4 VSS3 VDD3 P31/ PWM5 P00/UTX1* P01/URX1* P02 P03 P04 P05/CKO P06/T6O P07/T7O P10/SO0 P11/SI0/SB0 P12/SCK0 P13/SO1 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 V1/PL4/DBGP0 V2/PL5/DBGP1 V3/PL6/DBGP2 S31/PD7 S30/PD6 S29/PD5 S28/PD4 S27/PD3 S26/PD2 S25/PD1 S24/PD0 S23/PC7 S22/PC6 S21/PC5 S20/PC4 S19/PC3 S18/PC2 S17/PC1 S16/PC0 S15/PB7 Pin Assignment 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 LC87F76C8A 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VSS2 VDD2 S14/PB6 S13/PB5 S12/PB4 S11/PB3 S10/PB2 S9/PB1 S8/PB0 S7/PA7 S6/PA6 S5/PA5 S4/PA4 S3/PA3 S2/PA2 S1/PA1 S0/PA0 P73/INT3/T0IN/RMIN P72/INT2/T0IN/NKIN P71/INT1/T0HCP/AN9 Top view *When using UART, set P0LDDR (PODDR: Bit0) to “0” SANYO: QFP80(14×14) “Lead-free Type” SANYO: TQFP80J(12×12) “Lead-free Type” No.A0858-6/24 14.0 0.5 LC87F76C8A System Block Diagram Interrupt control IR PLA Standby control Flash ROM CF RC VMRC X’tal Clock generator PC SIO0 Bus interface ACC SIO1 Port 0 B register Timer 0 (High speed clock counter) Port 1 C register Timer 1 Port 3 ALU Timer 4 Port 7 Timer 5 Port 8 PSW Timer 6 INT0 to INT3 Noise rejection filter RAR Timer 7 Small signal detector RAM LCD controller ADC Stack pointer UART1 Infrared remote control receiver Watchdog timer Base timer Day and time counter On-chip debugger PWM/PWM5 No.A0858-7/24 LC87F76C8A Pin Description Pin Name VSS1 VSS2 VSS3 VDD1 VDD2 VDD3 PORT0 P00 to P07 I/O • 8-bit I/O port • I/O specifiable in 4-bit units • Pull-up resistors can be turned on and off in 4-bit units. • Input for HOLD release • Input for port 0 interrupt • Shared pins P00: UART1 transmit * P01: UART1 receive * P05: Clock output (system clock/subclock selectable) P06: Timer 6 toggle output P07: Timer 7 toggle output * When using UART, set P0LDDR (PODDR: Bit0) to “0” PORT1 P10 to P17 I/O • 8-bit I/O port • I/O specifiable in 1-bit units • Pull-up resistors can be turned on and off in 1-bit units. • Shared pins P10: SIO0 data output P11: SIO0 data input/bus I/O P12: SIO0 clock I/O P13: SIO1 data output P14: SIO1 data input/bus I/O P15: SIO1 clock I/O P16: Timer 1 PWML output P17: Timer 1PWMH output/beeper output PORT3 P30 to P31 I/O • 2-bit I/O port • I/O specifiable in 1-bit units • Pull-up resistors can be turned on and off in 1-bit units. • Shared pins P30: PWM4 output P31: PWM5 output PORT7 P70 to P73 I/O • 4-bit I/O port • I/O specifiable in 1-bit units • Pull-up resistors can be turned on and off in 1-bit units. • Shared pins P70: INT0 input/HOLD release input/timer 0L capture input/watchdog timer output P71: INT1 input/HOLD release input/timer 0H capture input P72: INT2 input/HOLD release input/timer 0 event input/timer 0L capture input/ high speed clock counter input P73: INT3 input (with noise filter)/timer 0 event input/timer 0H capture input/ infrared remote control receiver input AD converter input ports: AN8 (P70), AN9 (P71) • Interrupt acknowledge type Rising INT0 INT1 INT2 INT3 enable enable enable enable Falling enable enable enable enable Rising & Falling disable disable enable enable H level enable enable disable disable L level enable enable disable disable No Yes Yes Yes I/O - power supply pin Description Option No - + power supply pin No Continued on next page. No.A0858-8/24 LC87F76C8A Continued from preceding page. Pin Name PORT8 P80 to P87 I/O I/O • 8-bit I/O port • I/O specifiable in 1-bit units • Shared pins AD converter input ports: AN0 to AN7 Small signal detector input port: MICIN (P87) S0/PA0 to S7/PA7 S8/PB0 to S15/PB7 S16/PC0 to S23/PC7 S24/PD0 to S31/PD7 COM0/PL0 to COM3/PL3 V1/PL4 to V3/PL6 I/O I/O I/O I/O I/O I/O • Segment output for LCD • Can be used as general-purpose I/O port (PA) • Segment output for LCD • Can be used as general-purpose I/O port (PB) • Segment output for LCD • Can be used as general-purpose I/O port (PC) • Segment output for LCD • Can be used as general-purpose I/O port (PD) • Common output for LCD • Can be used as general-purpose input port (PL) • LCD drive bias power supply • Can be used as general-purpose input port (PL) • Shared pins On-chip debugger pins: DBGP0 (V1) to DBGP2 (V3) RES XT1 Input Input Reset pin • 32.768kHz crystal oscillator input pin • Shared pins General-purpose input port Must be connected to VDD1 if not to be used. AD converter input port: AN10 XT2 I/O • 32.768kHz crystal oscillator output pin • Shared pins General-purpose I/O port Must be set for oscillation and kept open if not to be used. AD converter input port: AN11 CF1 CF2 Input Output Ceramic resonator input pin Ceramic resonator output pin No No No No No No No No No No No Description Option No No.A0858-9/24 LC87F76C8A Port Output Types The table below lists the types of port outputs and the presence/absence of a pull-up resistor. Data can be read into any input port even if it is in the output mode. Port Name P00 to P07 Option Selected in Units of each bit Option Type 1 2 P10 to P17 each bit 1 2 P30 to P31 each bit 1 2 P70 P71 to P73 P80 to P87 S0/PA0 to S31/PD7 COM0/PL0 to COM3/PL3 V1/PL4 to V3/PL6 XT1 XT2 No No No No No No No No CMOS N-channel open drain CMOS N-channel open drain CMOS N-channel open drain N-channel open drain CMOS N-channel open drain CMOS Input only Input only Input only Output for 32.768kHz crystal oscillator (Nch-open drain when in general-purpose output mode) Output Type Pull-up Resistor Programmable (Note) No Programmable Programmable Programmable Programmable Programmable Programmable No Programmable No No No No Note: Programmable pull-up resistors for port 0 are controlled in 4 bit units (P00 to 03, P04 to 07). *1 Connect the IC as shown below to minimize the noise input to the VDD1 pin. Be sure to electrically short the VSS1, VSS2, and VSS3 pins. LSI VDD1 Power supply For backup *2 VDD2 VDD3 VSS1 VSS2 VSS3 *2 The internal memory is sustained by VDD1. If none of VDD2 and VDD3 are backed up, the high level output at the ports are unstable in the HOLD backup mode, allowing through current to flow into the input buffer and thus shortening the backup time. Make sure that the port outputs are held at the low level in the HOLD backup mode. No.A0858-10/24 LC87F76C8A Absolute Maximum Ratings at Ta = 25°C, VSS1 = VSS2 = VSS3 = 0V Parameter Maximum supply voltage Supply voltage for LCD Input voltage Input/output voltage Peak output current IOPH(2) IOPH(3) IOPH(4) Average output current (Note 1-1) High level output current IOMH(2) IOMH(3) IOMH(4) Total output current ΣIOAH(2) ΣIOAH(3) ΣIOAH(4) ΣIOAH(5) ΣIOAH(6) ΣIOAH(7) Peak output current Low level output current IOPL(1) IOPL(2) IOPL(3) IOPL(4) Average output current (Note 1-1) IOML(1) IOML(2) IOML(3) IOML(4) Port 30 Ports 0, 1, 3 Ports 71 to 73 Ports A, B Ports C, D Ports A, B, C, D Ports 0, 1 Port 3 • Ports 7, 8 • XT2 Ports A, B, C, D Ports 0, 1 Port 3 • Ports 7, 8 • XT2 Ports A, B, C, D Per applicable pin Per applicable pin Per applicable pin Per applicable pin Per applicable pin ΣIOAH(1) Port 3 Ports 71 to 73 Ports A, B, C, D Ports 0, 1, 31 IOMH(1) Port 3 Ports 71 to 73 Ports A, B, C, D Ports 0, 1 IOPH(1) VI(1) VIO(1) Symbol Pin/Remarks Conditions VDD[V] VDD max VLCD VDD1,VDD2, VDD3 V1/PL4, V2/PL5, V3/PL6 • Port L • XT1, CF1, RES • Ports 0, 1, 3, 7, 8 • Ports A, B, C, D • XT2 Ports 0, 1 • CMOS output selected • Per applicable pin • CMOS output selected • Per applicable pin Per applicable pin Per applicable pin • CMOS output selected • Per applicable pin • CMOS output selected • Per applicable pin Per applicable pin Per applicable pin Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Per applicable pin Per applicable pin Per applicable pin -10 -20 -5 -5 -7.5 -15 -3 -3 -25 -15 -40 mA -5 -25 -25 -45 20 30 10 10 15 20 7.5 7.5 -0.3 VDD+0.3 VDD1=VDD2=VDD3 VDD1=VDD2=VDD3 min -0.3 -0.3 -0.3 Specification typ max +6.5 VDD VDD+0.3 V unit Note 1-1: Average output current refers to the average of output currents measured for a period of 100ms. Continued on next page. No.A0858-11/24 LC87F76C8A Continued from preceding page. Parameter Total output current ΣIOAL(2) Low level output current ΣIOAL(3) ΣIOAL(4) ΣIOAL(5) ΣIOAL(6) ΣIOAL(7) Maximum power dissipation Operating ambient temperature Storage ambient temperature Tstg Topr Pd max Port 30 Ports 0, 1, 3 • Ports 7, 8 • XT2 Ports A, B Ports C, D Ports A, B, C, D QFP80(14×14) TQFP80J(12×12) -20 -55 +85 °C +125 Symbol ΣIOAL(1) Pin/Remarks Ports 0, 1, 31 Conditions VDD[V] Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Total of currents at all applicable pins Ta=-20 to+70°C min Specification typ max 45 45 80 20 45 45 80 290 mA unit mW Note 1-1: Average output current refers to the average of output currents measured for a period of 100 ms. Allowable Operating Range at Ta = -20°C to +85°C, VSS1 = VSS2 = VSS3 = 0V Parameter Operating supply voltage (Note 2-1) Memory sustaining supply voltage High level input voltage VIH(2) VIH(1) • Ports 0, 3, 8 • Ports A, B, C, D • Port L • Port 1 • Ports 71 to 73 • Port 70 port input/ interrupt side VIH(3) VIH(4) VIH(5) VIH(6) Port 71 interrupt side Port 87 small signal input side Port 70 watchdog timer side XT1, XT2, CF1, RES Output disabled • Output disabled • When INT1VTSL=1 Output disabled 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 0.85VDD 0.75VDD 0.9VDD 0.75VDD VDD VDD VDD VDD • Output disabled • When INT1VTSL=0 (P71only) 2.2 to 5.5 0.3VDD +0.7 VDD Output disabled 2.2 to 5.5 0.3VDD +0.7 VDD Symbol VDD(1) VDD(2) VDD(3) VHD VDD1 Pin/Remarks VDD1=VDD2=VDD3 Conditions VDD[V] 0-237μs≤tCYC≤200μs 0-356μs≤tCYC≤200μs 0-712μs≤tCYC≤200μs RAM and register contents sustained in HOLD mode 2.0 5.5 min 3.0 2.5 2.2 Specification typ max 5.5 5.5 5.5 unit V Note 2-1: VDD must be held greater than or equal to 3.0V in the flash ROM onboard programming mode. Continued on next page. No.A0858-12/24 LC87F76C8A Continued from preceding page. Parameter Low level input voltage Symbol VIL(1) Pin/Remarks • Ports 0, 3, 8 • Ports A, B, C, D • Port L VIL(2) • Port 1 • Ports 71 to 73 • Port 70 port input/ interrupt side VIL(3) VIL(4) VIL(5) VIL(6) Instruction cycle time (Note 2-2) External system clock frequency FEXCF(1) CF1 • CF2 pin open • System clock frequency division ratio=1/1 • External system clock DUTY50±5% • CF2 pin open • System clock frequency division ratio=1/2 Oscillation frequency range (Note 2-3) FmCF(2) FmCF(3) FmRC FmVMRC(1) CF1, CF2 CF1, CF2 FmCF(1) CF1, CF2 • 12MHz ceramic oscillation • See figure 1. • 8MHz ceramic oscillation • See figure 1. • 4MHz ceramic oscillation • See figure 1. Internal RC oscillation • Multifrequency RC source oscillation • VMRAJ2 to 0=4, VMFAJ2 to 0=0, When VMSL4M=0 FmVMRC(2) • Multifrequency RC source oscillation • VMRAJ2 to 0=4, VMFAJ2 to 0=0, When VMSL4M=1 FsX’tal Multifrequency RC oscillation usable range Multifrequency RC oscillation adjustment range OpVMRC(1) OpVMRC(2) VmADJ(1) VmADJ(2) XT1, XT2 • 32.768kHz crystal oscillation • See figure 2. When VMSL4M=0 When VMSL4M=1 VMRAJn 1STEP (Wide range) VMFAJn 1STEP (Narrow range) 2.2 to 5.5 1 4 8 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 8 3.5 8 32.768 10 4 24 12 MHz 4.5 64 % kHz 2.2 to 5.5 4 2.2 to 5.5 10 3.0 to 5.5 2.5 to 5.5 2.2 to 5.5 3.0 to 5.5 2.5 to 5.5 2.2 to 5.5 2.2 to 5.5 0.3 0.2 0.2 0.2 12 8 MHz 4 1.0 2.0 24.4 16 8 2.2 to 5.5 0.1 4 tCYC Port 71 interrupt side Port 87 small signal input side Port 70 watchdog timer side XT1, XT2, CF1, RES Output disabled • Output disabled • When INT1VTSL=1 Output disabled • Output disabled • When INT1VTSL=0 (P71 only) Conditions VDD[V] Output disabled 4.0 to 5.5 2.2 to 4.0 4.0 to 5.5 2.2 to 4.0 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 3.0 to 5.5 2.5 to 5.5 2.2 to 5.5 3.0 to 5.5 2.5 to 5.5 min VSS VSS VSS VSS VSS VSS VSS VSS 0.237 0.356 0.712 0.1 0.1 Specification typ max 0.15VDD +0.4 0.2VDD 0.1VDD +0.4 0.2VDD V 0.45VDD 0.25VDD 0.8VDD -1.0 0.25VDD 200 200 200 12 8 μs unit Note 2-2: Relationship between tCYC and oscillation frequency is 3/FmCF at a division ratio of 1/1 and 6/FmCF at a division ratio of 1/2. Note 2-3: See Tables 1 and 2 for the oscillation constants. No.A0858-13/24 LC87F76C8A Electrical Characteristics at Ta = -20°C to +85°C, VSS1 = VSS2 = VSS3 = 0V Parameter High level input current Symbol IIH(1) Pin/Remarks • Ports 0, 1, 3, 7, 8 • Ports A, B, C, D • Port L IIH(2) IIH(3) IIH(4) IIH(5) RES XT1, XT2 CF1 Port 87 small signal input side Low level input current IIL(1) • Ports 0, 1, 3, 7, 8 • Ports A, B, C, D • Port L IIL(2) IIL(3) IIL(4) IIL(5) RES XT1, XT2 Conditions VDD[V] • Output disabled • Pull-up resistor off • VIN=VDD (including output Tr's off leakage current) VIN=VDD • When configured as input ports • VIN=VDD VIN=VDD VIN=VBIS+0.5V (VBIS denotes bias voltage) • Output disabled • Pull-up resistor off • VIN=VSS (including output Tr's off leakage current) VIN=VSS • When configured as input ports • VIN=VSS CF1 Port 87 small signal input side High level output voltage VOH(1) VOH(2) VOH(3) VOH(4) VOH(5) VOH(6) VOH(7) VOH(8) VOH(9) VOH(10) VOH(11) Low level output voltage VOL(1) VOL(2) VOL(3) VOL(4) VOL(5) VOL(6) VOL(7) VOL(8) VOL(9) VOL(10) LCD output voltage deviation VODLS S0 to S31 Ports 0, 1 • Port 3 (PWM4, 5 function output mode) Port 3 (Port function output mode) • Ports 7, 8 • XT2 Ports A, B, C, D Ports A, B, C, D Ports 71 to 73 CMOS output ports 30, 31 CMOS output ports 0, 1 VIN=VSS VIN=VBIS-0.5V (VBIS denotes bias voltage) IOH=-1mA IOH=-0.4mA IOH=-0.2mA IOH=-10mA IOH=-1.6mA IOH=-1mA IOH=-0.4mA IOH=-0.2mA IOH=-1mA IOH=-0.4mA IOH=-0.2mA IOL=10mA IOL=1.6mA IOL=1mA IOL=30mA IOL=5mA IOL=2.5mA IOL=1.6mA IOL=1mA IOH=1.6mA IOL=1mA • IO=0mA • VLCD, 2/3VLCD 1/3VLCD level output • See Fig. 8. VODLC COM0 to COM3 • IO=0mA • VLCD, 2/3VLCD 1/2VLCD, 1/3VLCD level output • See Fig. 8. LCD bias resistor RLCD(1) RLCD(2) Resistance per one bias resister • Resistance per one bias resister • 1/2 resistance mode See Fig. 8. 2.2 to 5.5 30 See Fig. 8. 2.2 to 5.5 60 kΩ 2.2 to 5.5 0 ±0.2 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 4.5 to 5.5 2.2 to 4.5 4.5 to 5.5 3.0 to 5.5 2.2 to 5.5 4.5 to 5.5 3.0 to 5.5 2.2 to 5-5 3.0 to 5.5 2.2 to 5.5 4.5 to 5.5 3.0 to 5.5 2.2 to 5.5 4.5 to 5.5 3.0 to 5.5 2.2 to 5.5 4.5 to 5.5 3.0 to 5.5 2.2 to 5.5 3.0 to 5.5 2.2 to 5.5 3.0 to 5.5 2.2 to 5.5 -1 -1 -15 -15 -10 VDD-1 VDD-0.4 VDD-0.4 VDD-1.5 VDD-0.4 VDD-0.4 VDD-0.4 VDD-0.4 VDD-1 VDD-0.4 VDD-0.4 1.5 0.4 0.4 1.5 0.4 0.4 0.4 0.4 0.4 0.4 V -8.5 -5.5 -4.2 -1.5 2.2 to 5.5 -1 2.2 to 5.5 2.2 to 5.5 2.2 to 5.5 4.5 to 5.5 2.2 to 4.5 4.2 1.5 8.5 5.5 1 1 15 15 10 μA 2.2 to 5.5 1 min Specification typ max unit 2.2 to 5.5 0 ±0.2 Continued on next page. No.A0858-14/24 LC87F76C8A Continued from preceding page. Parameter Pull-up MOS Tr. resistance Hysteresis voltage Symbol Rpu(1) Rpu(2) VHYS(1) VHYS(2) Pin capacitance CP Pin/Remarks • Ports 0, 1, 3, 7 • Ports A, B, C, D • Ports 1, 7 • RES Port 87 small signal input side All pins • VIN=VSS for pins other than that under test • f=1MHz • Ta=25°C Input sensitivity Vsen Port 87 small signal input side 2.2 to 5.5 0.12VDD Vp-p 2.2 to 5.5 10 pF Conditions VDD[V] VOH=0-9VDD 4.5 to 5.5 2.2 to 4.5 2.2 to 5.5 2.2 to 5.5 min 15 18 Specification typ 35 50 0.1VDD V 0.1VDD max 80 150 unit kΩ Serial I/O Characteristics at Ta = -20°C to +85°C, VSS1 = VSS2 = VSS3 = 0V 1. SIO0 Serial I/O Characteristics (Note 4-1-1) Parameter Frequency Low level Input clock pulse width High level pulse width tSCKHA(1) • Continuous data transmission/reception mode Serial clock • See Fig. 6. • (Note 4-1-2) Frequency Low level Output clock pulse width High level pulse width tSCKHA(2) • Continuous data transmission/reception mode • CMOS output selected • See Fig. 6. Data setup time Serial input tsDI(1) SB0(P11), SI0(P11) Data hold time thDI(1) • Must be specified with respect to rising edge of SIOCLK • See Fig. 6. 2.2 to 5.5 0.03 Output delay Input clock time tdDO(2) tdDO(1) SO0(P10), SB0(P11) • Continuous data transmission/reception mode • (Note 4-1-3) • Synchronous 8-bit mode • (Note 4-1-3) 2.2 to 5.5 Output clock tdDO(3) (Note 4-1-3) (1/3)tCYC +0.05 0.03 tSCKH(2) +2tCYC tSCKH(2) 2.2 to 5.5 tSCK(2) tSCKL(2) SCK0(P12) • CMOS output selected • See Fig. 6. 4/3 1/2 tSCK 1/2 tSCKH(2) +(10/3) tCYC tCYC 4 tSCKH(1) 2.2 to 5.5 Symbol tSCK(1) tSCKL(1) Pin/Remarks SCK0(P12) Conditions VDD[V] See Fig. 6. min 2 1 1 tCYC Specification typ max unit (1/3)tCYC +0.05 1tCYC +0.05 μs Note 4-1-1: These specifications are theoretical values. Add margin depending on its use. Note 4-1-2: To use serial-clock-input in continuous transmission/reception mode, a time from SI0RUN being set when serial clock is "H" to the first falling edge of the serial clock must be longer than tSCKHA. Note 4-1-3: Must be specified with respect to falling edge of SIOCLK. Must be specified as the time to the beginning of output state change in open drain output mode. See Fig. 6. Serial output No.A0858-15/24 LC87F76C8A 2. SIO1 Serial I/O Characteristics (Note 4-2-1) Parameter Frequency Input clock Low level pulse width High level pulse width Frequency Output clock Low level pulse width High level pulse width Data setup time Serial input tsDI(2) SB1(P14), SI1(P14) Data hold time thDI(2) • Must be specified with respect to rising edge of SIOCLK. • See Fig. 6. 2.2 to 5.5 0.03 Output delay Serial output time tdDO(4) SO1(P13), SB1(P14) • Must be specified with respect to falling edge of SIOCLK. • Must be specified as the time to the beginning of output state change in open drain output mode. • See Fig. 6. 2.2 to 5.5 (1/3)tCYC +0.05 μs 0.03 tSCKH(4) tSCK(4) tSCKL(4) SCK1(P15) • CMOS output selected • See Fig. 6. 2.2 to 5.5 tSCKH(3) Symbol tSCK(3) tSCKL(3) Pin/Remarks SCK1(P15) See Fig.6. Conditions VDD[V] min 2 2.2 to 5.5 1 tCYC 1 2 1/2 tSCK 1/2 Specification typ max unit Note 4-2-1: These specifications are theoretical values. Add margin depending on its use. Pulse Input Conditions at Ta = -20°C to +85°C, VSS1 = VSS2 = VSS3 = 0V Parameter High/low level pulse width Symbol tPIH(1) tPIL(1) tPIH(2) tPIL(2) tPIH(3) tPIL(3) tPIH(4) tPIL(4) tPIH(5) tPIL(5) tPIH(6) tPIL(6) tPIL(7) RES RMIN(P73) Pin/Remarks INT0(P70), INT1(P71), INT2(P72) INT3(P73) when noise filter time constant is 1/1 INT3(P73) when noise filter time constant is 1/32 INT3(P73) when noise filter time constant is 1/128 MICIN(P87) Conditions VDD[V] • Interrupt source flag can be set. • Event inputs for timer 0 are enabled. • Interrupt source flag can be set. • Event inputs for timer 0 are enabled. • Interrupt source flag can be set. • Event inputs for timer 0 are enabled. • Interrupt source flag can be set. • Event inputs for timer 0 are enabled. The pulses can be counted by the small signal sensor/counter. The pulses can be recognized as signals by the infrared remote control receiver circuit. Resetting is enabled. 2.2 to 5.5 2000 2.2 to 5.5 3 2.2 to 5.5 1 RMCK (Note5-1) μs 2.2 to 5.5 256 2.2 to 5.5 64 tCYC 2.2 to 5.5 2 2.2 to 5.5 1 min Specification typ max unit Note 5-1: RMCK denotes the frequency of the base clock (1tCYC to 128tCYC/subclock source oscillation frequency) for the infrared remote control receiver circuit Serial clock No.A0858-16/24 LC87F76C8A AD Converter Characteristics at VSS1 = VSS2 = 0V Parameter Resolution Absolute accuracy Conversion time Analog input voltage range Analog port input current IAINH IAINL VAIN=VDD VAIN=VSS 5 -1 VAIN tCAD N ET Symbol Pin/Remarks AN0(P80) to AN7(P87), AN8(P70), AN9(P71), AN10(XT1), AN11(XT2) See conversion time calculation formulas. (Note 6-2) 3.0 to 5.5 40 VSS 100 VDD 1 (Note 6-1) Conditions VDD[V] 3.0 to 5.5 3.0 to 5.5 4.0 to 5.5 32 min Specification typ 12 ±16 100 μs max unit bit LSB V μA Parameter Resolution Absolute accuracy Conversion time tCAD N ET Symbol Pin/Remarks AN0(P80) to AN7(P87), AN8(P70), AN9(P71), AN10(XT1) AN11(XT2) See "Conversion time calculation method." (Note 6-2) See "Conversion time calculation method." (Note 6-2) Ta=-10 to 50°C Analog input voltage range Analog port input current IAINH IAINL VAIN=VDD VAIN=VSS VAIN 3.0 to 5.5 3.0 to 5.5 3.0 to 5.5 -1 -1 1 V μA 3.0 to 5.5 VSS VDD 3.0 to 5.5 40 90 μs (Note 6-1) Conditions VDD[V] 3.0 to 5.5 3.0 to 5.5 4.0 to 5.5 20 min Specification typ 8 1.5 90 max unit bit LSB 12bits AD Converter Mode: tCAD (conversion time) = ((52/(division ratio)) + 2) × (1/3)×tCYC 8bits AD Converter Mode: tCAD (conversion time) = ((32/(division ratio)) + 2) × (1/3)×tCYC External oscillator FmCF[MHz] 12 Supply Voltage Range VDD[V] 4.0 to 5.5 3.0 to 5.5 System Clock Division (SYSDIV) 1/1 1/1 Cycle Time tCYC [ns] 250 250 AD Frequency Division Ratio (ADDIV) 1/8 1/16 12-bit AD 34.8 69.5 8-bit AD 21.5 42.8 Conversion Time (tCAD)[μs] Note 6-1: The quantization error (±1/2LSB) is excluded from the absolute accuracy value. The absolute accuracy refers to the accuracy that is measured while there is no change in the I/O state of the pins adjacent to the analog input channel. Note 6-2: The conversion time refers to the interval from the time the instruction for starting the converter is issued till the time the complete digital- conversion-value corresponding to the analog input value is loaded in the required register. No.A0858-17/24 LC87F76C8A Consumption Current Characteristics at Ta = -20°C to +85°C, VSS1 = VSS2 = VSS3 = 0V Parameter Normal mode consumption current (Note 7-1) IDDOP(2) Symbol IDDOP(1) Pin/Rema rks VDD1 =VDD2 =VDD3 Conditions VDD[V] • FmCF=12MHz ceramic oscillation mode • FmX’tal=32.768kHz crystal oscillation mode • System clock set to 12MHz side • Internal RC oscillation stopped • Multifrequency RC oscillation stopped • 1/1 frequency division ratio IDDOP(3) IDDOP(4) IDDOP(5) IDDOP(6) IDDOP(7) IDDOP(8) IDDOP(9) IDDOP(10) IDDOP(11) IDDOP(12) • FmCF=8MHz ceramic oscillation mode • FmX’tal=32.768kHz crystal oscillation mode • System clock set to 8MHz side • Internal RC oscillation stopped • Multifrequency RC oscillation stopped • 1/1 frequency division ratio • FmCF=4MHz ceramic oscillation mode • FmX’tal=32.768kHz crystal oscillation mode • System clock set to 4MHz side • Internal RC oscillation stopped • Multifrequency RC oscillation stopped • 1/2 frequency division ratio • FmCF=0Hz (oscillation stopped) • FmX’tal=32.768kHz crystal oscillation mode • System clock set to internal RC oscillation • Multifrequency RC oscillation stopped • 1/2 frequency division ratio • FmCF=0Hz (oscillation stopped) • FmX’tal=32.768kHz crystal oscillation mode • Internal RC oscillation stopped IDDOP(13) • System clock set to 10MHz multifrequency RC oscillation • 1/1 frequency division ratio IDDOP(14) IDDOP(15) IDDOP(16) IDDOP(17) • FmCF=0Hz (oscillation stopped) • FmX’tal=32.768kHz crystal oscillation mode • Internal RC oscillation stopped • System clock set to 4MHz multifrequency RC oscillation • 1/1 frequency division ratio • FmCF=0Hz (oscillation stopped) • FmX’tal=32.768kHz crystal oscillation mode IDDOP(18) IDDOP(19) • System clock set to 32.768kHz side • Internal RC oscillation stopped • Multifrequency RC oscillation stopped • 1/2 frequency division ratio 2.2 to 3.0 13 67.2 3.0 to 3.6 17.7 84.3 2.2 to 3.0 4.5 to 5.5 2.0 41.8 4.1 171.4 μA 3.0 to 3.6 2.3 5.0 4.5 to 5.5 4.1 8.9 3.0 to 3.6 4.3 9.5 4.5 to 5.5 7.6 16.7 2.2 to 3.0 0.3 0.7 3.0 to 3.6 0.4 0.9 2.2 to 3.0 4.5 to 5.5 2.1 0.7 4.3 1.6 mA 2.5 to 3.0 4.5 to 5.5 3.0 to 3.6 3.0 3.9 2.5 6.7 8.5 5.2 3.0 to 3.6 3.8 8.8 4.5 to 5.5 6.4 13.9 3.0 to 3.6 4.8 10.6 4.5 to 5.5 8.2 18.0 min Specification typ max unit Note 7-1: The consumption current value includes none of the currents that flow into the output Tr and internal pull-up resistors. Continued on next page. No.A0858-18/24 LC87F76C8A Continued from preceding page. Parameter HALT mode consumption current (Note 7-1) IDDHALT(2) Symbol IDDHALT(1) Pin/ Remarks VDD1 =VDD2 =VDD3 HALT mode • FmCF=12MHz ceramic oscillation • FmX’tal=32.768kHz crystal oscillation mode • System clock set to 12MHz side. • Internal RC oscillation stopped • Multifrequency RC oscillation stopped • 1/1 frequency division ratio IDDHALT(3) HALT mode • FmCF=8MHz ceramic oscillation mode IDDHALT(4) • FmX’tal=32.768kHz crystal oscillation mode • System clock set to 8MHz side • Internal RC oscillation stopped IDDHALT(5) • Multifrequency RC oscillation stopped • 1/1 frequency division ratio IDDHALT(6) HALT mode • FmCF=4MHz ceramic oscillation mode IDDHALT(7) • FmX’tal=32.768kHz crystal oscillation mode • System clock set to 4MHz side • Internal RC oscillation stopped IDDHALT(8) IDDHALT(9) IDDHALT(10) IDDHALT(11) IDDHALT(12) • Multifrequency RC oscillation stopped • 1/2 frequency division ratio HALT mode • FmCF=0Hz (oscillation stopped) • FmX’tal=32.768kHz crystal oscillation mode • System clock set to internal RC oscillation • Multifrequency RC oscillation stopped • 1/2 frequency division ratio HALT mode • FmCF=0Hz (oscillation stopped) • FmX’tal=32.768kHz crystal oscillation mode IDDHALT(13) • Internal RC oscillation stopped • System clock set to 10MHz multifrequency RC oscillation • 1/1 frequency division ratio IDDHALT(14) HALT mode • FmCF=0Hz (oscillation stopped) IDDHALT(15) • FmX’tal=32.768kHz crystal oscillation mode • Internal RC oscillation stopped • System clock set to 4MHz multifrequency RC IDDHALT(16) IDDHALT(17) oscillation • 1/1 frequency division ratio HALT mode • FmCF=0Hz (oscillation stopped) IDDHALT(18) • FmX’tal=32.768kHz crystal oscillation mode • System clock set to 32.768kHz side • Internal RC oscillation stopped IDDHALT(19) • Multifrequency RC oscillation stopped • 1/2 frequency division ratio HOLD mode consumption current Clock HOLD mode consumption current IDDHOLD(6) IDDHOLD(1) IDDHOLD(2) IDDHOLD(3) IDDHOLD(4) IDDHOLD(5) VDD1 VDD1 HOLD mode • CF1=VDD or open (external clock mode) Clock HOLD mode • CF1=VDD or open (external clock mode) • FmX’tal=32.768kHz crystal oscillation mode 4.5 to 5.5 3.0 to 3.6 2.2 to 3.0 4.5 to 5.5 3.0 to 3.6 2.2 to 3.0 0.14 0.03 0.03 21.9 6.3 3.6 28.0 19.0 16.0 80 37 30 2.2 to 3.0 5.2 52.3 μA 3.0 to 3.6 8.3 66.6 2.2 to 3.0 4.5 to 5.5 0.6 25.7 1.4 141.9 3.0 to 3.6 0.8 1.8 4.5 to 5.5 1.7 3.9 3.0 to 3.6 1.7 3.7 4.5 to 5.5 3.4 7.3 2.2 to 3.0 0.13 0.3 2.2 to 3.0 4.5 to 5.5 3.0 to 3.6 2.1 0.4 0.18 4.3 0.9 0.4 mA 3.0 to 3.6 2.5 5.2 4.5 to 5.5 3.9 8.5 2.5 to 3.0 3.0 6.7 3.0 to 3.6 3.8 8.8 4.5 to 5.5 6.4 13.9 3.0 to 3.6 1.9 4.3 4.5 to 5.5 3.7 8.2 Conditions VDD[V] min Specification typ max unit Note 7-1: The consumption current value includes none of the currents that flow into the output Tr and internal pull-up resistors. No.A0858-19/24 LC87F76C8A F-ROM Programming Characteristics at Ta = +10°C to +55°C, VSS1 = VSS2 = VSS3 = 0V Parameter Onboard programming current Programming time tFW(1) • 128-byte programming • Erasing current included • Time for setting up 128-byte data is excluded. 3.0 to 5.5 ms Symbol IDDFW(1) Pin/Remarks VDD1 Conditions VDD[V] • 128-byte programming • Erasing current included 3.0 to 5.5 mA min Specification typ max unit UART (Full Duplex) Operating Conditions at Ta = -20 to +85°C, VSS1 = VSS2 = VSS3 = 0V Parameter Transfer rate Symbol UBR Pin/Remarks UTX(P00), URX(P01) Conditions VDD[V] 2.2 to 5.5 min 16/3 Specification typ max 8192/3 unit tCYC Data length: 7/8/9 bits (LSB first) Stop bits: 1 bit (2-bit in continuous data transmission mode) Parity bits: None Example of 8-bit Data Transmission Mode Processing (Transmit Data=55H) Start bit Start of transmission Transmit data (LSB first) Stop bit End of transmission UBR Example of 8-bit Data Reception Mode Processing (Receive Data=55H) Stop bit Receive data (LSB first) End of reception Start bit Start of reception UBR *When using UART, set P0LDDR (PODDR: Bit0) to “0” No.A0858-20/24 LC87F76C8A Characteristics of a Sample Main System Clock Oscillation Circuit Given below are the characteristics of a sample main system clock oscillation circuit that are measured using a SANYO-designated oscillation characteristics evaluation board and external components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. Table 1 Characteristics of a Sample Main System Clock Oscillator Circuit with a Ceramic Oscillator Nominal Frequency Vendor Name Circuit Constant Oscillator Name C1 [pF] 12MHz MURATA CSTCE12M0G52-R0 CSTCE8M00G52-R0 8MHz MURATA CSTLS8M00G52-R0 4MHz MURATA CSTCR4M00F53-R0 CSTLS4M0053-B0 (15) (15) (15) (15) (15) (15) Open Open Open 1.0k 2.2k 2.2k 2.1 to 5.5 (10) (10) C2 [pF] (10) (10) Rf1 [Ω] Open Open Rd1 [Ω] 2.2k 1.0k 2.5 to 5.5 Operating Voltage Range [V] 2.8 to 5.5 Oscillation Stabilization Time typ [ms] max [ms] Built-in C1, C2 Built-in C1, C2 Built-in C1, C2 Remarks The oscillation stabilization time refers to the time interval that is required for the oscillation to get stabilized after VDD goes above the operating voltage lower limit (see Figure 4). Characteristics of a Sample Subsystem Clock Oscillator Circuit Given below are the characteristics of a sample subsystem clock oscillation circuit that are measured using a SANYOdesignated oscillation characteristics evaluation board and external components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. Table 2 Characteristics of a Sample Subsystem Clock Oscillator Circuit with a Crystal Oscillator Nominal Frequency 32.768kHz Vendor Name Oscillator Name C3 [pF] Circuit Constant C4 [pF] Rf2 [Ω] Rd2 [Ω] Operating Voltage Range [V] Oscillation Stabilization Time typ [s] max [s] Remarks The oscillation stabilization time refers to the time interval that is required for the oscillation to get stabilized after the instruction for starting the subclock oscillation circuit is executed and to the time interval that is required for the oscillation to get stabilized after the HOLD mode is reset (see Figure 4). Caution: The components that are involved in oscillation should be placed as close to the IC and to one another as possible because they are vulnerable to the influences of the circuit pattern. CF1 CF2 XT1 XT2 Rf1 Rd1 Rf2 Rd2 C1 CF C2 C3 X’tal C4 Figure 1 CF Oscillator Circuit Figure 2 XT Oscillator Circuit 0.5VDD Figure 3 AC Timing Measurement Point No.A0858-21/24 LC87F76C8A Power supply VDD Operating VDD lower limit 0V Reset time RES Internal RC oscillation tmsCF CF1, CF2 tmsX’tal XT1, XT2 Operating mode Unpredictable Reset Instruction execution Reset Time and Oscillation Stabilization Time HOLD reset signal HOLD reset signal absent HOLD release signal VALID Internal RC oscillation tmsCF CF1, CF2 tmsX’tal XT1, XT2 State HOLD HALT HOLD Reset Signal and Oscillation Stabilization Time Figure 4 Oscillation Stabilization Times No.A0858-22/24 LC87F76C8A VDD RRES RES CRES Note: Determine the value of CRES and RRES so that the reset signal is present for a period of 200μs after the supply voltage goes beyond the lower limit of the IC's operating voltage. Figure 5 Reset Circuit SIOCLK: DATAIN: DI0 DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 DATAOUT: DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 Data RAM transfer period (SIO0 only) DO8 tSCK tSCKL SIOCLK: tsDI DATAIN: tdDO DATAOUT: Data RAM transfer period (SIO0 only) tSCKL SIOCLK: tsDI DATAIN: tdDO DATAOUT: thDI tSCKHA thDI tSCKH Figure 6 Serial I/O Waveforms tPIL tPIH Figure 7 Pulse Input Timing Signal Waveform No.A0858-23/24 LC87F76C8A VDD SW : ON/OFF (programmable) RLCD RLCD RLCD RLCD VLCD RLCD RLCD 2/3VLCD RLCD 1/2VLCD RLCD 1/3VLCD RLCD RLCD GND SW: ON when VLCD=VDD Figure 8 LCD Bias Resistors SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellectual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of August, 2006. Specifications and information herein are subject to change without notice. PS No.A0858-24/24