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FM8PE513B:

Only 42 single word instructions

All instructions are single cycle except for program branches which are two-cycle 13-bit wide instructions

All EPROM area GOTO instruction

All 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      Pins #    I/O #   EPROM (Word)   RAM (Byte)

FM8PE513B    8         6          1K             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

One I/O port 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

Built-in 8MHz, 4MHz, 1MHz, and 455KHz internal RC oscillator Programmable Code Protection

Selectable oscillator options:

-  ERC: External Resistor/Capacitor Oscillator

-  HF: High Frequency Crystal/Resonator Oscillator

-  XT: Crystal/Resonator Oscillator

-  LF: Low Frequency Crystal Oscillator

-  IRC: Internal Resistor/Capacitor Oscillator

-  ERIC: External Resistor/Internal Capacitor Oscillator Wide-operating voltage range: 2.0V to 3.5V