PIC16F688-I/ST中文资料微芯科技数据手册PDF规格书

High-Performance RISC CPU:

• Only 35 instructions to learn:

- All single-cycle instructions except branches

• Operating speed:

- DC – 20 MHz oscillator/clock input

- DC – 200 ns instruction cycle

• Interrupt capability

• 8-level deep hardware stack

• Direct, Indirect and Relative Addressing modes

Special Microcontroller Features:

• Precision Internal Oscillator:

- Factory calibrated to ±1

- Software selectable frequency range of 8 MHz to 125 kHz

- Software tunable

- Two-Speed Start-Up mode

- Crystal fail detect for critical applications

- Clock mode switching during operation for power savings

• Power-Saving Sleep mode

• Wide operating voltage range (2.0V-5.5V)

• Industrial and Extended temperature range

• Power-on Reset (POR)

• Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)

• Brown-out Reset (BOR) with software control option

• Enhanced Low-Current Watchdog Timer (WDT) with on-chip oscillator (software selectable nominal 268 seconds with full prescaler) with software enable

• Multiplexed Master Clear with weak pull-up or input only pin

• Programmable code protection

• High-Endurance Flash/EEPROM cell:

- 100,000 write Flash endurance

- 1,000,000 write EEPROM endurance

- Flash/Data EEPROM retention: > 40 years