PIC16F684 Special Microcontroller Features:
* Precision Internal Oscillator:
- Factory calibrated to ±1%, typical
- 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
* Software Selectable 31 kHz Internal Oscillator
* 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 pull-up/input 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
