PIC16F648A 18-Pin 4MHz 4kB Microcontroller Datasheet

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Features
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 - 4 kBytes Flash Program Memory - 256 Byte RAM Data Memory - 256 Byte EEPROM Data Memory - In-circuit Serial Programming - Interrupt Capability Peripheral Features - Two 8-bit timer/counter(TMR0, TMR2) with 8-bit programmable prescalar - One 16 bit timer/counter (TMR1) - High current source/sink for direct LED drive - Watchdog Timer (WDT) with Separate RC Oscillator - Capture, Compare, PWM Module with PWM 10-bit Accuracy - Addressable Universal Synchronous/Asynchronous Receiver/Transmitter (AUSART) - Analog Comparator Module Special Microcontroller Features - Power-On Reset - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST) - 1,000 erase/write cycls Enhanced Flash Program Memory - 1,000,000 typical erase/write cycles EEPROM Data Memory - Selectable Oscillator Options CMOS Technology - Low power, high speed CMOS FLASH technology - Fully Static Design - Low Power Consumption I/O and Packages - 16 I/O pins with individual direction control - 18-pin DIP

Features

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
- - 4 kBytes Flash Program Memory
- - 256 Byte RAM Data Memory
- - 256 Byte EEPROM Data Memory
- - In-circuit Serial Programming
- - Interrupt Capability
Peripheral Features
- - Two 8-bit timer/counter(TMR0, TMR2) with 8-bit programmable prescalar
- - One 16 bit timer/counter (TMR1)
- - High current source/sink for direct LED drive
- - Watchdog Timer (WDT) with Separate RC Oscillator
- - Capture, Compare, PWM Module with PWM 10-bit Accuracy
- - Addressable Universal Synchronous/Asynchronous Receiver/Transmitter (AUSART)
- - Analog Comparator Module
Special Microcontroller Features
- - Power-On Reset
- - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
- - 1,000 erase/write cycls Enhanced Flash Program Memory
- - 1,000,000 typical erase/write cycles EEPROM Data Memory
- - Selectable Oscillator Options
CMOS Technology
- - Low power, high speed CMOS FLASH technology
- - Fully Static Design
- - Low Power Consumption
I/O and Packages
- - 16 I/O pins with individual direction control
- - 18-pin DIP

Pin Layout

Pin Description

Dimensional Drawing

Technical Data

Datasheet

Microchip Web Site - Datasheet for PIC16F648A

Application Notes

Microchip Web Site - Application Notes for PIC16F648A