This powerful yet easy-to-program (only 35 single word instructions) CMOS FLASH-based 8-bit microcontroller packs Microchip's powerful PIC® architecture into an 40- or 44-pin package.

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
Fail-safe clock monitoring for critical applications
Clock mode switching during operation for low-power operation
Power-Saving Sleep mode
Power-on Reset (POR)
Selectable Brown-out Reset (BOR) voltage
Extended Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation
In-Circuit Serial Programming™ (ICSP™) via two pins
In-Circuit Debug (ICD) via two pins
High-endurance Flash/EEPROM cell:
100,000 erase/write cycle enhanced Flash program memory, typical
1,000,000 erase/write cycle data EEPROM memory, typical
Data EEPROM retention > 40 years
Self-reprogrammable under software control