The Microchip flash microcontrollers with nanoWatt XLP technology has C compiler optimized architecture. It has 256 bytes data EEPROM and provides up to 8 K bytes linear program memory addressing. It has 16 Level deep hardware stack with optional overflow/underflow reset. Two full 16-bit File Select Registers (FSRs) and FSRs can read program and data memory.

Precision 32 MHz internal oscillator block
Factory calibrated to ± 1%, typical
Software selectable frequencies range of 31 kHz to 32 MHz
31 kHz low power internal oscillator
Four crystal modes up to 32 MHz
Three external clock modes up to 32 MHz
4X Phase lock loop