Datasheet Summary
PIC16F631/677/685/687/689/690
20-Pin Flash-Based, 8-Bit CMOS Microcontrollers
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 32 kHz
- Software tunable
- Two-Speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for power savings
- Power-Saving...