Microchip PIC16C57-HS/P, 8bit PIC Microcontroller, PIC16C, 40MHz, 2 kwords Flash, 28-Pin PDIP

High-Performance RISC CPU:
Only 33 single word instructions to learn
All instructions are single cycle except for program branches which are two-cycle
Operating speed: DC - 40 MHz clock input
12-bit wide instructions
8-bit wide data path
Seven or eight special function hardware registers
Two-level deep hardware stack
Direct, indirect and relative addressing modes for data and instructions
Peripheral Features:
8-bit real time clock/counter (TMR0) with 8-bit programmable prescaler
Power-on Reset (POR)
Device Reset Timer (DRT)