FM8P56E

FEELING TECHNOLOGY Devices Included in this Data Sheet: ‧ FM8P54E/56E : EPROM devices ‧ FM8P54/56 : Mask ROM devices FM8P54/56 EPROM/ROM-Based 8-Bit Microcontroller Series FEATURES ‧ Only 42 single word instructions ‧ All instructions are single cycle except for program branches which are two-cycle ‧ 13-bit wide instructions www.DataSheet4U.com ‧ All ROM/EPROM area GOTO instruction ‧ All ROM/EPROM area subroutine CALL instruction ‧ 8-bit wide data path ‧ 5-level deep hardware stack ‧ Operating speed: DC-20 MHz clock input DC-100 ns instruction cycle Device FM8P54/54E FM8P56/56E Pins # 18 18 I/O # 12 12 EPROM/ROM (Byte) 512 1K RAM (Byte) 49 49 ‧ Direct, indirect addressing modes for data accessing ‧ 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler ‧ 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 ‧ Two I/O ports IOA and IOB with independent direction control ‧ Soft-ware I/O pull-high/pull-down or open-drain control ‧ One internal interrupt source: Timer0 overflow; Two external interrupt source: INT pin, Port B input change ‧ Wake-up from SLEEP by INT pin or Port B input change ‧ Power saving SLEEP mode ‧ Programmable Code Protection ‧ Selectable oscillator options: - ERC: External Resistor/Capacitor Oscillator - XT: ...