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产品说明：

描述： 

FM8PB53B : OTP device


Only 42 single word instructions


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


13-bit wi de instructions


All OTP area GOTO instruction


All OTP 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 #       OTP (Word)      RAM (Byte)


FM8PB53B           14           12            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 reli able operation and soft-ware watch-dog


enable/disable control


Two I/O ports IOA and IOB with i ndependent 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 Oscill ator


- ERIC:  External Resistor/Internal Capacitor Oscillator


Operating voltage range: 2.0V to 5.5V


- ≤4MHz: 2.4V to 5.5V

- ≤8MHz: 2.6V to 5.5V, see 6.1 for more information. 

产品封装