MDT10P74(BA) Q1. General Description A/D converter module: -8 analog inputs multiplexed into one A/D This EPROM-Based 8-bit micro-controller uses a fully static converter CMOS technology process to achieve higher speed and -8-bit resolution smaller size with the low power consumption and high TMR0: 8-bit timer/counter noise immunity. On chip memory includes 4K words of TMR1: 16-bit timer/counter ROM, and 192 bytes of static RAM. TMR2: 8-bit timer 4 types of oscillator can be selected by 2. Features programming option: RC－Low cost RC oscillator The followings are some of the features on the hardware LFXT－Low frequency crystal oscillator and software: XTAL－Standard crystal oscillator Fully CMOS static design HFXT－High frequency crystal oscillator 8-bit data bus On-chip RC oscillator based Watchdog Timer On chip EPROM size: 4.0 K words (WDT) Internal RAM size: 192 bytes 33 I/O pins with their own independent direction 37 single word instructions control 14-bit instructions 8-level stacks 3. Applications Operating voltage: 2.5 V ~ 5.5 V (PRD Disable) 4.5 V ~ 5.5 V (PRD Enable) The application areas of this MDT10P74 range from Operating frequency: DC ~ 20 MHz appliance motor control and high speed auto-motive to The most fast execution time is 200 ns under 20 low MHz in all single cycle instructions except the devices, and telecommunications processors, such as branch instruction Remote controller, small instruments, chargers, toy, Addressing modes include direct, indirect and automobile and PC peripheral … etc. power remote transmitters/receivers, relative addressing modes Power-on Reset Power edge-detector Reset Power range-detector Reset Sleep Mode for power saving Capture, Compare, PWM module Synchronous serial port with SCM,I2C 12 interrupt sources: -External INT pin -TMR0 timer, TMR1 timer, TMR2 timer -A/D conversion completion -Port B<7:4> interrupt on change -CCP1, CCP2, SCM, USAR, USAT, PCM This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 1 2008/6 Ver. 1.6 pointing MDT10P74(BA) 4. Pin Assignment MDT10P74Q11(QFP) MDT10P74P11(DIP) MDT10P74L11 (PLCC) This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 2 2008/6 Ver. 1.6 MDT10P74(BA) 5. Order Information ROM RAM (Words) (Bytes) MDT10P74P11 4K 192 MDT10P74Q11 4K MDT10P74L11 4K Device A/D Timer (8 bits) (8/16) 33 8-channel 2/1 2 YES/YES DIP 192 33 8-channel 2/1 2 YES/YES QFP 192 33 8-channel 2/1 2 YES/YES PLCC I/O CCP SCM/ USART Package 6. Pin Function Description Function Description Pin Name I/O PA0~PA3, PA5 I/O Port A, TTL input level / Analog input channel PA4 I/O PA4, Schmitt Trigger input levels, Open drain output PB0~PB7 I/O Port B, TTL input level / PB0: External interrupt input PB4~PB7:Interrupt on pin change PC0~PC7 I/O Port C, Schmitt Trigger input levels PD0~PD7 I/O Port D, Schmitt Trigger input levels / TTL input level PE0~PE2 I/O /MCLR I Master Clear, Schmitt Trigger input levels OSC1/CLKIN I Oscillator Input/external clock input OSC2/CLKOUT O Oscillator Output/in RC mode, the CLKOUT pin has 1/4 frequency of CLKIN Port E, Schmitt Trigger input levels / TTL input level Analog input channel VDD Power supply VSS Ground 7. Memory Map (A) Register Map Address Description BANK0 00 Indirect Addressing Register 01 RTCC 02 PCL 03 STATUS 04 MSR 05 Port A 06 Port B 07 Port C 08 Port D 09 Port E This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 3 2008/6 Ver. 1.6 MDT10P74(BA) Address Description 0A PCHLAT 0B INTS 0C PIFB1 0D PIFB2 0E TMR1L 0F TMR1H 10 T1STA 11 TMR2 12 T2STA 13 SCMBUF 14 SCMCTL 15 CCP1L 16 CCP1H 17 CCP1CTL 18 RCSC 19 TXREG 1A RCREG 1B CCP2L 1C CCP2H 1D CCP2CTL 1E ADRES 1F ADS0 20~7F General purpose register BANK1 01 TMR 05 CPIO A 06 CPIO B 07 CPIO C 08 CPIO D 09 CPIO E 0C PIEB1 0D PIEB2 0E PSTA 12 T2PER 14 SCMSTA 18 TXSC This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 4 2008/6 Ver. 1.6 MDT10P74(BA) Address Description 19 BRREG 1F ADS1 A0~FF General purpose register (1) IAR (Indirect Address Register): R00 (2) RTCC (Real Time Counter/Counter Register): R01 (3) PC (Program Counter): R02, R0A Write PC --- from PCHLAT Write PC --- from PCHLAT LJUMP, LCALL --- from instruction word RTWI, RET --- from STACK A11 A10~A8 A7~A0 Write PC --- from ALU LJUMP, LCALL --- from instruction word RTWI, RET, RTFI --- from STACK (4) STATUS (Status register): R03 Bit Symbol Function 0 C 1 HC 2 Z 3 /PF Power down bit 4 /TF WDT timer overflow bit 5 RBS0 Register Bank select bit Carry bit Half Carry bit Zero bit 0: 00h~7Fh (Bank0) 1: 80h~FFh (Bank1) 7~6 -- General purpose bit This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 5 2008/6 Ver. 1.6 MDT10P74(BA) (5) MSR (Memory Bank Select Register): R04 Memory Bank Select Register 0: 00h~7Fh (Bank0) 1: 80h~FFh (Bank1) b7 b6 b5 b4 b3 b2 b1 b0 Indirect Addressing Mode (6) PORT A: R05 PA5~PA0, I/O Register (7) PORT B: R06 PB7~PB0, I/O Register (8) PORT C: R07 PC7~PC0, I/O Register (9) PORT D: R08 PD7~PD0, I/O Register (10) PORT E: R09 PE2~PE0, I/O Register (11) PCHLAT: R0A (12) INTS (Interrupt Status Register): R0B Bit Symbol Function 0 RBIF PORT B change interrupt flag, Set when PB <7：4> inputs change 1 INTF Set when INT interrupt occurs 2 TIF 3 RBIE Set when TMR0 overflows 0: Disable PB change interrupt 1: Enable PB change interrupt 4 INTS 0: Disable INT interrupt 1: Enable INT interrupt 5 TIS 0: Disable TMR0 interrupt 1: Enable TMR0 interrupt 6 PEIE 0: Disable all peripheral interrupt 1: Enable all peripheral interrupt 7 GIS 0: Disable global interrupt 1: Enable global interrupt This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 6 2008/6 Ver. 1.6 MDT10P74(BA) (13) PIFB1 (Peripheral Interrupt Flag Bit): R0C Bit Symbol 0 TMR1IF Function TMR1 interrupt flag 0: TMR1 did not overflow 1: TMR1 overflowed 1 TMR2IF TMR2 interrupt flag 0: No TMR2 to T2PER match occurred 1: TMR2 to T2PER match occurred 2 CCP1IF CCP1 interrupt flag 0: No TMR1 capture/compare occurred 1: A TMR1 capture/compare occurred 3 SCMIF SCM interrupt flag 0: Waiting SCM transmit/receive 1: The SCM transmission/reception is complete 4 TXIF USART transmit interrupt flag 0: The USART transmit buffer is full 1: The USART transmit buffer is empty 5 RCIF UASRT receive interrupt flag 0: The USART receive buffer is empty 1: The USART receive buffer is full 6 ADIF A/D interrupt flag 0: A/D conversion is not complete 1: A/D conversion completed 7 PCMIF PCM read/write interrupt flag 0: No read or write has occurred 1: A read or a write has occurred (14) PIFB2 (Peripheral Interrupt Flag Bit): R0D Bit Symbol 0 CCP2IF Function CCP2 interrupt flag 0: No TMR1 capture/compare occurred 1: A TMR1 capture/compare occurred 7~1 -- Unimplemented (15) TMR1L: R0E The LSB of the 16-bit TMR1 This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 7 2008/6 Ver. 1.6 MDT10P74(BA) (16) TMR1H: R0F The MSB of the 16-bit TMR1 (17) T1STA: R10 Bit Symbol 0 TMR1ON Function 0: Stop TMR1 1: Enable TMR1 1 TMR1CLK 0: Internal clock (Fosc/4) 1: External clock from pin PC0 2 /T1SYNC TMR1CLK = 1 0: Synchronize external clock 1: Do not synchronize external clock TMR1CLK = 0 This bit is ignored 3 T1OSCEN 0: TMR1 Oscillator is shut off 1: TMR1 Oscillator is enable 5~4 T1CKPS1 1 1 = 1:8 Prescale value ~ 1 0 = 1:4 Prescale value T1CKPS0 0 1 = 1:2 Prescale value 0 0 = 1:1 Prescale value 7~6 -- Unimplemented (18) TMR2: R11 TMR2 register (19) T2STA: R12 Bit Symbol 1~0 T2CKPS1 0 0 = Prescaler is 1 ~ 0 1 = Prescaler is 4 T2CKPS0 1 x = Prescaler is 16 TMR2ON 0: TMR2 is off 2 Function 1: TMR2 is on 7~3 -- Unimplemented (20) SCMBUF: R13 Serial communication port buffer This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 8 2008/6 Ver. 1.6 MDT10P74(BA) (21) SCMCTL: R14 Bit Symbol Function 3~0 SCM3 0 0 0 0: SCM master mode, clock = Fosc/4 ~ 0 0 0 1: SCM master mode, clock = Fosc/16 SCM0 0 0 1 0: SCM master mode, clock = Fosc/64 0 0 1 1: SCM master mode, clock = TMR2 output/2 0 1 0 0: SCM slave mode, clock = SCK pin, /SS control enable 0 1 0 1: SCM slave mode, clock = SCK pin, /SS control disable 0 1 1 0: I2C slave mode, 7 bit address. 0 1 1 1: I2C slave mode, 10 bit address. 1 0 1 1: I2C firmware controlled Master mode. 1 1 1 0: I2C slave mode, 7 bit address with start and stop bit interrupts enabled. 1 1 1 1: I2C slave mode, 10 bit address. with start and stop bit interrupts enabled. 4 CKS 0: Transmit happens on rising edge, receive on falling edge, Idle state for clock is low level. 1: Transmit happens on falling edge, receive on rising edge, Idle state for clock is high level 5 SCMEN 0: Disable SCM, then PC3, PC4, PC5 is I/O port 1: Enable SCM 6 SCMROI 0: No overflow 1: Overflow 7 WCOL 0: No collision 1: The SCMBUF is written while it is still transmitting the previous word (22) CCP1L: R15 Capture/Compare/PWM LSB (23) CCP1H: R16 Capture/Compare/PWM MSB This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 9 2008/6 Ver. 1.6 MDT10P74(BA) (24) CCP1CTL: R17 Bit Symbol 3~0 CCP1M3 Function 0 0 0 0: CCP1 off ~ 0 1 0 0: Capture1 mode, every falling edge CCP1M0 0 1 0 1: Capture1 mode, every rising edge 0 1 1 0: Capture1 mode, every 4th rising edge 0 1 1 1: Capture1 mode, every 16th rising edge 1 0 0 0: Compare1 mode, set output on match 1 0 0 1: Compare1 mode, clear output on match 1 0 1 0: Compare1 mode, generate software interrupt on match 1 0 1 1: Compare1 mode, trigger special event 1 1 x x: PWM1 mode 5~4 PWM1LSB These bits are the two LSBs of the PWM1 duty cycle 7~6 -- Unimplemented (25) RCSC: R18 Bit Symbol Function th 0 RX9DF 9 bit of received data 1 OERF 0: No overrun error 1: Overrun error 2 FERF 0: No framing error 1: Framing error 3 -- 4 CRENF Unimplemented 0: Disable continuous receive 1: Enable continuous receive 5 SRENF 0: Disable single receive 1: Enable single receive 6 RX9ENF 0: Select 8-bit reception 1: Select 9-bit reception 7 SPENF 0: Serial port disable 1: Serial port enable (26) TXREG: R19 USART transmit register This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 10 2008/6 Ver. 1.6 MDT10P74(BA) (27) RCREG: R1A USART receive register (28) CCP2L: R1B Capture/Compare/PWM LSB (29) CCP2H: R1C Capture/Compare/PWM MSB (30) CCP2CTL: R1D Bit Symbol 3~0 CCP2M3 Function 0 0 0 0: CCP2 off ~ 0 1 0 0: Capture2 mode, every falling edge CCP2M0 0 1 0 1: Capture2 mode, every rising edge 0 1 1 0: Capture2 mode, every 4th rising edge 0 1 1 1: Capture2 mode, every 16th rising edge 1 0 0 0: Compare2 mode, set output on match 1 0 0 1: Compare2 mode, clear output on match 1 0 1 0: Compare2 mode, generate software interrupt on match 1 0 1 1: Compare2 mode, trigger special event 1 1 x x: PWM2 mode 5~4 PWM2LSB These bits are the two LSBs of the PWM2 duty cycle 7~6 -- Unimplemented (31) ADRES: R1E A/D result register high byte. The ADRES register is not a writable register. (32) ADS0: R1F Bit Symbol 0 ADRUN Function 0: A/D converter module is shut off and consumes no operating current 1: A/D converter module is operating 1 2 -- Unimplemented GO/DONEB 0: A/D conversion not in progress 1: A/D conversion in progress 5~3 CHS2~0 000: AIC0 001: AIC1 010: AIC2 011: AIC3 100: AIC4 101: AIC5 110: AIC6 111: AIC7 This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 11 2008/6 Ver. 1.6 MDT10P74(BA) Bit Symbol 7~6 ASCS1-0 Function 00: fosc/2 01: fosc/8 10: fosc/32 11: f RC (*Note) *Note: determined by OSC mode, HF: fosc/32, XT: fosc/8, RC: fosc/2, LF: fosc/2 (33) TMR (Time Mode Register): R81 Bit Symbol Function Prescaler Value 2~0 PS2~0 3 PSC 4 TCE 5 TCS 6 IES 7 PBPH RTCC rate 0 0 0 1:2 0 0 1 1:4 0 1 0 1:8 0 1 1 1 : 16 1 0 0 1 : 32 1 0 1 1 : 64 1 1 0 1 : 128 1 1 1 1 : 256 Prescaler assignment bit 0: RTCC 1: Watchdog Timer RTCC signal edge 0: Increment on low-to-high transition on RTCC pin 1: Increment on high-to-low transition on RTCC pin RTCC signal set 0: Internal instruction cycle clock 1: Transition on RTCC pin Interrupt edge select 0: Interrupt on falling edge on PB0 1: Interrupt on rising edge on PB0 PORTB7~0 pull-hi 0: PORTB7~0 pull-hi are enable 1: PORTB7~0 pull-hi are disable WDT rate 1:1 1:2 1:4 1:8 1 : 16 1 : 32 1 : 64 1 : 128 (34) CPIO A (Control Port I/O Mode Register): R85 ＝“0”, I/O pin in output mode ＝“1”, I/O pin in input mode (35) CPIO B (Control Port I/O Mode Register): R86 ＝“0”, I/O pin in output mode ＝“1”, I/O pin in input mode (36) CPIO C (Control Port I/O Mode Register): R87 ＝“0”, I/O pin in output mode ＝“1”, I/O pin in input mode (37) CPIO D (Control Port I/O Mode Register): R88 ＝“0”, I/O pin in output mode ＝“1”, I/O pin in input mode This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 12 2008/6 Ver. 1.6 MDT10P74(BA) (38) CPIO E (Control Port I/O Mode Register): R89 Bit Symbol Function 2~0 BIT 2 ~ BIT 0 Port E control port I/O mode bits 0: I/O pin in output mode 1: I/O pin in input mode 3 4 -- Unimplemented PCMMODE PCM mode select bit 0: General I/O mode 1: PCM mode 5 IBOV Input buffer overflow detect bit 0: No overflow occurred 1: Overflow 6 OBF Output buffer full status bit 0: The output buffer has been read 1: The output buffer has not been read 7 IBF Input buffer full status bit 0: No word has been received 1: A word has been received (39) PIEB1: R8C Bit Symbol 0 TMR1IE Function TMR1 interrupt enable bit 0: Disable TMR1 interrupt 1: Enable TMR1 interrupt 1 TMR2IE TMR2 interrupt enable bit 0: Disable TMR2 interrupt 1: Enable TMR2 interrupt 2 CCP1IE CCP1 interrupt enable bit 0: Disable CCP1 interrupt 1: Enable CCP1 interrupt 3 SCMIE SCM interrupt enable bit 0: Disable SCM interrupt 1: Enable SCM interrupt 4 TXIE USART transmit interrupt enable bit 0: Disable the USART transmit interrupt 1: Enable the USART transmit interrupt This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 13 2008/6 Ver. 1.6 MDT10P74(BA) Bit Symbol 5 RCIE Function USART receive interrupt enable bit 0: Disable the USART receive interrupt 1: Enable the USART receive interrupt 6 ADIE A/D interrupt enable bit 0: Disable A/D interrupt 1: Enable A/D interrupt 7 PCMIE PCM R/W interrupt enable bit 0: Disable the PCM interrupt 1: Enable the PCM interrupt (40) PIEB2: R8D Bit Symbol 0 CCP2IE Function 0: Disable CCP2 interrupt 1: Enable CCP2 interrupt 7~1 -- Unimplemented (41) PSTA: R8E Bit Symbol Function 0 PRDB 0: Power range-detector Reset occurred 1: No Power range-detector Reset Occurred 1 PORB 0: Power on Reset occurred 1: No Power on Reset occurred 7~2 -- Unimplemented (42) T2PER: R92 Timer2 period (43) SCMSTA: R94 Bit Symbol 0 BF Function 0: Receive not complete 1: Receive complete I2C_UA 1 0:Address does not need to be updated. (10 bit I2C 1:Indicates that the user needs to update the address in the sspadd mode) 2 I2C_RWB 3 I2C_START register. 0:Write 1:Read 0:Start bit was not detected last. 1:Indicates that a start bit has been detected last. This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 14 2008/6 Ver. 1.6 MDT10P74(BA) Bit Symbol 4 I2C_STOP 5 I2C_DAB 7~6 -- Function 0:Stop bit was not detected last. 1:Indicates that a stop bit has been detected last. 0:Indicates that the last byte received or transmitted was address. 1:Indicates that the last byte received or transmitted was data. Unimplemented (44) TXSC: R98 Bit Symbol Function 0 TX9DF 9th bit of transmit data 1 TSRCF 0: TSR full 1: TSR empty 2 HBRCF 0: Low speed 1: High speed 3 -- 4 UMSF Unimplemented 0: USART asynchronous mode 1: USART synchronous mode 5 TXENF 0: Transmit disable 1: Transmit enable 6 TX9ENF 0: Select 8-bit reception 1: Select 9-bit reception 7 CSSF 0: Slave mode 1: Master mode (45) BRREG: R99 Baud rate register (46) ADS1 (A/D Status Register): R9F Bit Symbol Function 2~0 0 0 0: PA0~3, PA5, PE0~2 = analog input, VREF = VDD PAVM2~0 0 0 1: PA0~2, PA5, PE0~2 = analog input, VREF = PA3 0 1 0: PA0~3, PA5 = analog input, PE0~2 = digital I/O, VREF = VDD 0 1 1: PA0~2, PA5 = analog input, PE0~2 = digital I/O, VREF = PA3 1 0 0: PA0, 1, 3 = analog input, PA2, 5, PE0~2 = digital I/O, VREF = VDD 1 0 1: PA0, 1 = analog input, PA2, 5, PE0~2 = digital I/O, VREF = PA3 1 1 x: PA0~3, 5, PE0~2 = digital I/O 7~3 -- Unimplemented This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 15 2008/6 Ver. 1.6 MDT10P74(BA) (47) Configurable options for EPROM (Set by writer) Oscillator Type RC Oscillator HFXT Oscillator XTAL Oscillator LFXT Oscillator Watchdog Timer control Watchdog timer disable all the time Watchdog timer enable all the time Power-range control Power-range disable Power-range enable Oscillator-start Timer control 0ms 75ms Power-edge Detect Security state PED Disable Security Disable PED Enable Security Enable (B) Program Memory Address 000-FFF Description Program memory 000 The starting address of power on, external reset or WDT time-out reset. 004 Interrupt vector This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 16 2008/6 Ver. 1.6 MDT10P74(BA) 8. Reset Condition for all Registers Register Address Power-On Reset, Power range detector Reset /MCLR or WDT Reset Wake-up from SLEEP IAR 00h N/A N/A N/A RTCC 01h xxxx xxxx uuuu uuuu uuuu uuuu 0Ah,02h 0000 0000 0000 0000 0000 0000 PC+1 STATUS 03h 0001 1xxx 000# #uuu 000# #uuu MSR 04h xxxx xxxx uuuu uuuu uuuu uuuu PORT A 05h --xx xxxx --uu uuuu --uu uuuu PORT B 06h xxxx xxxx uuuu uuuu uuuu uuuu PORT C 07h xxxx xxxx uuuu uuuu uuuu uuuu PORT D 08h xxxx xxxx uuuu uuuu uuuu uuuu PORT E 09h ---- -xxx ---- -uuu ---- -uuu PCHLAT 0Ah ---0 0000 ---0 0000 ---u uuuu INTS OBh 0000 000x 0000 000u uuuu uuuu PIFB1 0Ch 0000 0000 0000 0000 uuuu uuuu PIFB2 0Dh ---- ---0 ---- ---0 ---- ---u TMR1L 0Eh xxxx xxxx uuuu uuuu uuuu uuuu TMR1H 0Fh xxxx xxxx uuuu uuuu uuuu uuuu T1STA 10h --00 0000 --uu uuuu --uu uuuu TMR2 11h 0000 0000 0000 0000 uuuu uuuu T2STA 12h ---- -000 ---- -uuu ---- -uuu SCMBUF 13h xxxx xxxx uuuu uuuu uuuu uuuu SCMCTL 14h 0000 0000 0000 0000 uuuu uuuu CCP1L 15h xxxx xxxx uuuu uuuu uuuu uuuu CCP1H 16h xxxx xxxx uuuu uuuu uuuu uuuu CCP1CTL 17h --00 0000 --00 0000 --uu uuuu RCSC 18h 0000 -00x 0000 -00x uuuu -uuu TXREG 19h 0000 0000 0000 0000 uuuu uuuu RCREG 1Ah 0000 0000 0000 0000 uuuu uuuu CCP2L 1Bh xxxx xxxx uuuu uuuu uuuu uuuu CCP2H 1Ch xxxx xxxx uuuu uuuu uuuu uuuu PC This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 17 2008/6 Ver. 1.6 MDT10P74(BA) Register Address Power-On Reset, Power range detector Reset /MCLR or WDT Reset Wake-up from SLEEP CCP2CTL 1Dh --00 0000 --00 0000 --uu uuuu ADRES 1Eh xxxx xxxx uuuu uuuu uuuu uuuu ADS0 1Fh 0000 00-0 0000 00-0 uuuu uu-u TMR 81h 1111 1111 1111 1111 uuuu uuuu CPIOA 85h --11 1111 --11 1111 --uu uuuu CPIOB 86h 1111 1111 1111 1111 uuuu uuuu CPIOC 87h 1111 1111 1111 1111 uuuu uuuu CPIOD 88h 1111 1111 1111 1111 uuuu uuuu CPIOE 89h 0000 -111 0000 -111 uuuu -uuu PIEB1 8Ch 0000 0000 0000 0000 uuuu uuuu PIEB2 8Dh ---- ---0 ---- ---0 ---- ---u PSTA 8Eh ---- --0u ---- --uu ---- --uu T2PER 92h 1111 1111 1111 1111 1111 1111 SCMSTA 94h ---- ---0 ---- ---0 ---- ---u TXSC 98h 0000 -010 0000 -010 uuuu -uuu BRREG 99h 0000 0000 0000 0000 uuuu uuuu ADS1 9Fh ---- -000 ---- -000 ---- -uuu Note : u＝unchanged, x＝unknown, - ＝unimplemented, read as “0” #＝value depends on the condition of the following table Condition Status: bit 4 Status: bit 3 PSTA: bit 1 PSTA: bit 0 /MCLR reset (not during SLEEP) u u u u /MCLR reset during SLEEP 1 0 u u WDT reset (not during SLEEP) 0 1 u u WDT reset during SLEEP 0 0 u u Power-on reset 1 1 0 x Power-range reset 1 1 u 0 Note : u＝unchanged, x＝unknown, - ＝unimplemented, read as “0” This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 18 2008/6 Ver. 1.6 MDT10P74(BA) 9. Instruction Set Instruction Code Mnemonic Operands Function Operating Status 010000 00000000 NOP No operation None 010000 00000001 CLRWT Clear Watchdog timer 0→WT TF, PF 010000 00000010 SLEEP Sleep mode 0→WT, stop OSC TF, PF 010000 00000011 TMODE Load W to TMODE register W→TMODE None 010000 00000100 RET Return from subroutine Stack→PC None 010000 00000rrr CPIO R Control I/O port register W→CPIO R None 010001 1rrrrrrr STWR R Store W to register W→R None 011000 trrrrrrr LDR R, t Load register R→t Z 111010 iiiiiiii LDWI i Load immediate to W i→W None 010111 trrrrrrr SWAPR R, t Swap halves register [R(0~3) ↔R(4~7)] →t None 011001 trrrrrrr INCR R, t Increment register R + 1→t Z 011010 trrrrrrr INCRSZ R, t Increment register, skip if zero R + 1→t None 011011 trrrrrrr ADDWR R, t Add W and register W + R→t C, HC, Z 011100 trrrrrrr SUBWR R, t Subtract W from register R ﹣W→t or (R+/W+1→t) C, HC, Z 011101 trrrrrrr DECR R, t Decrement register R ﹣1→t Z 011110 trrrrrrr DECRSZ R, t Decrement register, skip if zero R ﹣1→t None 010010 trrrrrrr ANDWR R, t AND W and register R ∩ W→t Z 110100 iiiiiiii ANDWI i AND W and immediate i ∩ W→W Z 010011 trrrrrrr IORWR R, t Inclu. OR W and register R ∪ W→t Z 110101 iiiiiiii IORWI i Inclu. OR W and immediate i ∪ W→W Z 010100 trrrrrrr XORWR R, t Exclu. OR W and register R ♁ W→t Z 110110 iiiiiiii XORWI i Exclu. OR W and immediate i ♁ W→W Z 011111 trrrrrrr COMR R, t Complement register /R→t Z 010110 trrrrrrr RRR R, t Rotate right register R(n) →R(n-1), C→R(7), R(0)→C C 010101 trrrrrrr RLR R, t Rotate left register R(n)→r(n+1), C→R(0), R(7)→C C 010000 1xxxxxxx CLRW Clear working register 0→W Z 010001 0rrrrrrr CLRR Clear register 0→R Z 0000bb brrrrrrr BCR R, b Bit clear 0→R(b) None 0010bb brrrrrrr BSR R, b Bit set 1→R(b) None 0001bb brrrrrrr BTSC R, b Bit Test, skip if clear Skip if R(b)=0 None 0011bb brrrrrrr BTSS R, b Bit Test, skip if set Skip if R(b)=1 None 100nnn nnnnnnnn LCALL n Long CALL subroutine n→PC, PC+1→Stack None R This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 19 2008/6 Ver. 1.6 MDT10P74(BA) Mnemonic Operands Instruction Code Function Operating 101nnn nnnnnnnn LJUMP n Long JUMP to address n→PC 110111 iiiiiiii ADDWI i Add immediate to W W+i→W 110001 iiiiiiii RTWI Return, place immediate to W Stack→PC,i→W 111000 iiiiiiii SUBWI i Subtract W from immediate i-W→W 010000 00001001 RTFI Reture from interrupt Stack→PC,1→GIS i Status None C,HC,Z None C,HC,Z None Note : W WT TMODE CPIO TF PF PC OSC Inclu. Exclu. AND : : : : : : : : : : : Working register Watchdog timer TMODE mode register Control I/O port register Timer overflow flag Power loss flag Program Counter Oscillator Inclusive ‘∪’ Exclusive ‘♁’ Logic AND ‘∩’ b t : : 0 1 R : C : HC : Z : / : x : i : n : Bit position Target : Working register : General register General register address Carry flag Half carry Zero flag Complement Don’t care Immediate data ( 8 bits ) Immediate address 10. Electrical Characteristics *Note: Temperature=25°C 1. Operation Current: (1) HF (C=10p), WDT – disable, PRD – disable 4M 10M 20M Sleep 2.5V 480uA 1mA 2.1mA 1uA 3.0V 600uA 1.3mA 2.5mA 1uA 4.0V 1mA 2mA 4mA 1uA 5.0V 1.5mA 2.9mA 5.3mA 1uA 5.5V 1.8mA 4mA 6.8mA 1uA These parameters are for reference only. (2) XT (C=10p), WDT – disable, PRD – disable 1M 4M 10M Sleep 2.5V 130uA 440uA 1mA 1uA 3.0V 160uA 560uA 1.2mA 1uA 4.0V 400uA 900uA 2mA 1uA 5.0V 700uA 1.3mA 2.8mA 1uA 5.5V 940uA 1.6mA 3.3mA 1uA These parameters are for reference only. This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 20 2008/6 Ver. 1.6 MDT10P74(BA) (3) LF (C=10p), WDT – disable, PRD – disable 32K 455K 1M Sleep 2.5V 30uA 80uA 170uA 1uA 3.0V 40uA 120uA 210uA 1uA 4.0V 90uA 210uA 420uA 1uA 5.0V 180uA 450uA 600uA 1uA 5.5V 270uA 600uA 900uA 1uA These parameters are for reference only. (4) RC, WDT – disable, PRD – disable, @VDD = 5.0V C 3p 20p 100p 300p R Freq. Current 4.7k 11.8M 4mA 10k 5.8M 2mA 47k 1.35M 600uA 100k 644K 400uA 300k 196K 250uA 470k 136K 200uA 4.7k 6M 2.7mA 10k 3.04M 1.5mA 47k 692K 500uA 100k 327K 350uA 300k 98K 250uA 470k 70K 200uA 4.7k 2.18M 1.7mA 10k 1.09M 900uA 47k 240K 300uA 100k 112K 250uA 300k 34K 200uA 470k 25K 200uA 4.7k 963K 1.4mA 10k 464K 700uA 47k 101K 250uA 100k 47K 200uA 300k 14K 200uA 470k 10K 200uA These parameters are for reference only. This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 21 2008/6 Ver. 1.6 MDT10P74(BA) (5) RC, WDT – disable, PRD – disable, @VDD = 3.0V C 3p 20p 100p 300p R Freq. Current 4.7k 11.6M 2mA 10k 6.52M 1.2mA 47k 1.62M 300uA 100k 784K 160uA 300k 242K 60uA 470k 173K 60uA 4.7k 6.88M 1.5mA 10k 3.65M 800uA 47k 868K 170uA 100k 415K 100uA 300k 127K 60uA 470k 91K 60uA 4.7k 2.94M 1mA 10k 1.52M 500uA 47k 348K 120uA 100k 116K 60uA 300k 50K 60uA 470k 36K 60uA 4.7k 1.42M 800uA 10k 724K 400uA 47k 164K 100uA 100k 79K 60uA 300k 24K 60uA 470k 17K 60uA These parameters are for reference only. 2. Input Voltage (VDD = 5V): Vil Vih PA~PC Min Max TTL VSS 0.8V Schmitt trigger VSS 0.6V TTL 3.0V VDD Schmitt trigger 3.8V VDD These parameters are for reference only. This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 22 2008/6 Ver. 1.6 MDT10P74(BA) Input Voltage (VDD = 3V): Vil Vih PA~PC Min Max TTL VSS 0.4V Schmitt trigger VSS 0.2V TTL 2.0V VDD Schmitt trigger 2.6V VDD These parameters are for reference only. 3. Output Voltage (VDD = 5V): PA~PC Condition Voh 3.3V Ioh = -20mA Vol 0.9V Iol = 20mA Voh 4.2V Ioh = -5mA Vol 0.6V Iol = 5mA These parameters are for reference only. Output Voltage (VDD = 3V): PA~PC Condition Voh 1.6V Ioh = -10mA Vol 0.6V Iol = 10mA Voh 2.4V Ioh = -5mA Vol 0.5V Iol = 5mA These parameters are for reference only. 4. Output Current (Max.) (VDD = 5V): Current Source current 25mA Sink current 40mA These parameters are for reference only. 5. The basic WDT time-out cycle time: Time 2.5V 25ms 3.0V 23ms 4.0V 20ms 5.0V 18ms 5.5V 17ms This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 23 2008/6 Ver. 1.6 MDT10P74(BA) These parameters are for reference only. 6. PRD: (1) PRD reset voltage: Voltage Vih 4.2V±10% Vil 3.8V±10% These parameters are for reference only. (2) PRD reset current: Current 5.0V 120uA 4.0V 100uA These parameters are for reference only. 7. Pull high resistor: VDD 5V 3V PB7~0 50KΩ±20% 100KΩ±20% These parameters are for reference only. 8. MCLR filter time: VDD 5V Time 1000ns±20% These parameters are for reference only. This specification are subject to be changed without notice. Any latest information please preview http;//www.mdtic.com.tw P. 24 2008/6 Ver. 1.6