一级代理批发飞凌FM8PB56B单片机芯片解密及产品开发

描述：




FM8PB56B : 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 (Byte)     RAM (Byte) 




FM8PB56B        18          16           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 8 MHz, 4 MHz, 1 MHz, and 455 KHz 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: 2.0V to 5.5V 




- ≤8MHz: 2.4V to 5.5V, see 6.1 for more information.