High-Performance RISC CPU: Microchip PIC16F877A Microcontroller

• 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 8K x 14 words of Flash Program Memory,
Up to 368 x 8 bytes of Data Memory (RAM),
Up to 256 x 8 bytes of EEPROM Data Memory
• Pinout compatible to other 28-pin or 40/44-pin
PIC16CXXX and PIC16FXXX microcontrollers

Analog Features: Microchip PIC16F877A Microcontroller

• 10-bit, up to 8-channel Analog-to-Digital
Converter (A/D)
• Brown-out Reset (BOR)
• Analog Comparator module with:
– Two analog comparators
– Programmable on-chip voltage reference
(VREF) module
– Programmable input multiplexing from device
inputs and internal voltage reference
– Comparator outputs are externally accessible

Special PIC16F877A Microcontroller Features:

• 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
• In-Circuit Serial Programming™ (ICSP™)
via two pins
• Single-supply 5V In-Circuit Serial Programming
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Programmable code protection
• Power saving Sleep mode
• Selectable oscillator options
• In-Circuit Debug (ICD) via two pins