产品描述: FM8PE59AE : 28-pin EPROM device FM8PE59BE : 32-pin EPROM device FM8PE59A : 28-pin Mask ROM device FM8PE59B : 32-pin Mask ROM device Only 49 single word instructions All instructions are single cycle except for program branches which are two-cycle 13-bit wide instructions All ROM/EPROM area GOTO/FGOTO instruction All ROM/EPROM area subroutine CALL/FCALL instruction 8-bit wide data path 5-level deep hardware stack 4K x 13 bits on chip EPROM/ROM 144 x 8 bits on chip general purpose registers (SRAM) Operating speed: DC-20 MHz clock input DC-100 ns instruction cycle Direct, indirect addressing modes for data accessing One 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler One 8-bit real time clock/counter (Timer1) with 2-bit programmable prescaler and period setting Internal Power-on Reset (POR) Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR) Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST) On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog enable/disable control Three I/O ports IOA, IOB and IOC with independent direction control 16 soft-ware control pull-high pins: Port B/Port C 8 soft-ware control pull-down pins:IOA0~A3/IOB0~B3 2 soft-ware control open-drain pins: IOC6/IOC7 IR output channel with programmable frequency and duty cycle Serial Peripheral Interface (SPI) Four internal interrupt source: Timer0 overflow, Timer1 match, IROUT, and SPI module; Two external interrupt source: INT0 pin, and INT1 pin Wake-up from SLEEP by Port B/IOC4/IOC5 input falling Power saving SLEEP mode Programmable Code Protection Selectable oscillator options: - ERC: External Resistor/Capacitor Oscillator - XT: Crystal/Resonator Oscillator - HF: High Frequency Crystal/Resonator Oscillator - LF: Low Frequency Crystal Oscillator - IRC: Internal Resistor/Capacitor Oscillator Wide-operating voltage range: - EPROM : 2.3V to 5.5V - ROM : 2.3V to 5.5V