PIC16F628A-I/P

8-bit Microcontroller with 3584 bytes (2k x 14) Programmable Flash

The PIC16F628A is an 18-pin Flash-based member of the PIC16F62x family of fully static CMOS 8-bit microcontrollers. It is upward compatible with the PIC16F628, PIC16C62xA, PIC16C5x and PIC12Cxxx devices. Features include a 4 MHz internal oscillator, 128 bytes EEPROM data memory, capture/compare/PWM, USART, 2 comparators, and programmable voltage reference.

Microchip PIC16F628A Microcontroller Features

High-Performance RISC CPU

• Lead-free; RoHS-compliant
• Operating speed: 20 MHz
• Operating voltage: 3.0-5.5V
• Industrial temperature range (-40?° to +85?°C)
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative Addressing modes
• 35 single-word instructions
  • All instructions single cycle except branches

Special Microcontroller Features

• Flash Memory: 3584 bytes (2048 words)
• Data SRAM: 224 bytes
• Data EEPROM: 128 bytes
• Internal and external oscillator options
  • Precision internal 4 MHz oscillator factory-calibrated to ?±1%
  • Low-power internal 48 kHz oscillator
  • External Oscillator support for crystals and resonators
• Power-saving Sleep mode
• Programmable weak pull-ups on PORTB
• Multiplexed Master Clear/Input-pin
• Watchdog Timer with independent oscillator for reliable operation
• Low-voltage programming
• In-Circuit Serial Programming (via two pins)
• Programmable code protection
• Brown-out Reset
• Power-on Reset
• Power-up Timer and Oscillator Start-up Timer
• High-Endurance Flash/EEPROM cell
  • 100,000 write Flash endurance
  • 1,000,000 write EEPROM endurance
  • 40-year data retention

Peripheral Features

• 16 I/O pins with individual direction control
• High current sink/source for direct LED drive
• Analog comparator module
  • Two analog comparators
  • Programmable on-chip voltage reference module
  • Selectable internal or external reference
  • Comparator outputs are externally accessible
• Timer0: 8-bit timer/counter with 8-bit programmable prescaler
• Timer1: 16-bit timer/counter with external crystal/clock capability
• Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
• Capture, Compare, PWM module
  • 16-bit Capture/Compare
  • 10-bit PWM
• Addressable USART/SCI