产品描述: FM8PA76AE : 20-pin EPROM device FM8PA76EE : 24-pin EPROM device with VR pin FM8PA76BE : 14-pin EPROM device FM8PA76FE : 16-pin EPROM device with VR pin FM8PA76DE: 16-pin EPROM device Total 9 channel 12bit AD converter with ±2LSB resolution All instructions are single cycle except for program branches which are two-cycles 16-bit wi de instructions Configurable CPU clock per instruction cycle: Focs/4 and Fosc/2 All EPROM area LGOTO instruction All EPROM area subroutine LCALL instruction 8-bit wide data path 8-level deep hardware stack 2K x 16 bits on chip EPROM 45x8 bits on chip special purpose registers and 128 x 8 bits on chip general purpose registers (SRAM) Operating speed: DC-20 MHz clock input, or DC-100 ns instruction cycle Direct, indirect addressing modes for data accessing Five real time up count Timer/counter with 3-bit programmable prescaler - TMR0: 16-bit Timer(up-counter) - TMR1: 8-bit, PWM1(Period) & Timer - TMR2: 8-bit, PWM1(Duty) & Timer - TMR3: 8-bit, PWM2(Period) & Timer - TMR4: 8-bit, PWM2(Duty) & Timer Built-in 3 levels Low Voltage Detector (LVDT) (2.2V/2.6V/3.7V) for Brown-out Reset (BOR) Power-up Reset Timer (PWRT) On chip Watchdog Timer (WDT) with internal oscillator for reli able operation and soft-ware watch-dog enable/disable control Three I/O ports IOA, IOB and IOC with independent direction control - 17 Bi-direction I/O port (Programmable Pull-up enable in Input mode) - One Input only port (IOB2/RSTB) Four kinds of interrupt source: 5 Timers/Counters, 8 external interrupt sources: IOA0~IOA7, Internal watchdog timer (i_WDT) wakeup, and A/D end of conversion Wake-up from SLEEP: - Port A (IOA0~IOA7) pin change wakeup - WDT overflow - i_WDT overflow Power saving SLEEP mode Programmable Code Protection Selectable oscillator options: - ERC: External Resistor/ Voltage Controlled Oscillator - XT: Crystal/Resonator Oscillator - HF: High Frequency Crystal/Resonator Oscillator - LF: Low Frequency Crystal Oscillator - IRC: Internal Resistor/Capacitor Oscill ator Wide-operating voltage range: - EPROM : 2.2V to 5.5V