PIC16F85 Datasheet PDF - Microchip Technology

High Performance RISC CPU:
• Only 35 single word instructions to learn
• All single-cycle instructions, except for program branches which are two-cycle
• Operating speed:
- DC - 20 MHz clock input
- DC - 200 ns instruction cycle
• Up to 2K x 14 FLASH program memory
• 128 x 8 general purpose registers (SRAM)
• 64 x 8 on-chip EEPROM data memory
• Eight levels deep hardware stack
• Interrupt capability
• Direct, Indirect and Relative Addressing modes