PIC 16F628A FLASH-based 8-bit microcontroller

High-Performance RISC CPU

• – Only 35 single word instructions to learn
• – All instructions are single cycle (1µs) except for program branches
• – Operating speed: DC – 20MHz clock input
• – 2 kBytes Flash Program Memory
• – 224 Byte RAM Data Memory
• – 128 Byte EEPROM Data Memory
• – In-circuit Serial Programming

Peripheral Features

• – Universal Synchronous/Asynchronous Receiver/Transmitter (USART)
• – Two 8-bit timer/counter(TMR0,TMR2) with 8-bit programmable prescalar
• – One 16 bit timer/counter
• – High current source/sink for direct LED drive
• – Two Analog Comparators
• – Capture/Compare PWM (CCP) Module
• – 16 Bytes of common RAM

Special Microcontroller Features

• – Power-On Reset
• – Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
• – Brown-out Detect (BOD)
• – Watchdog Timer with separate RC oscillator
• – Selectable Oscillator Options

CMOS Technology

• – Low power, high speed CMOS FLASH technology
• – Fully Static Design
• – Low Power Consumption
• – < 2mA @ 5V, 4MHz
• – 15µA typical @ 3V, 32kHz
• – < 1µA typical standby current

I/O and Packages

• – 15 I/O pins with individual direction control
• – 18-pin DIP

Microchip – Data Sheet for PIC16F628A

Application Notes

Microchip – Application Notes for PIC16F628A