PIC16F688 Microcontroller

PIC16F688 Microcontroller

The PIC16F688 is an 8-bit Flash microcontroller manufactured by Microchip Technology. It belongs to the PIC16F family and is designed for low-cost, low-power, and compact embedded applications.

It uses Harvard architecture with a RISC instruction set, enabling most instructions to execute in a single clock cycle. The device operates at clock frequencies up to 20 MHz and integrates analog peripherals such as an ADC and comparators, making it suitable for sensor interfacing and control applications.

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Features

• 8-bit PIC CPU (RISC architecture)
• Operating voltage: 2.0 V – 5.5 V
• Maximum clock frequency: 20 MHz
• Program memory: 4 KB Flash
• RAM: 256 bytes
• EEPROM: 256 bytes
• I/O pins: Up to 16 programmable digital I/O pins
• Timers:
• Timer0 (8-bit)
• Timer1 (16-bit)
• Timer2 (8-bit)
• Analog features:
• 10-bit ADC with up to 8 analog input channels
• 2 analog comparators
• Communication interfaces:
• USART
• SPI
• I²C (MSSP module)
• PWM / CCP module
• Interrupt system
• Watchdog Timer (WDT)
• In-Circuit Serial Programming (ICSP)
• Low-power sleep mode
• Available in DIP and SMD packages

Applications

• Compact embedded control systems
• Sensor-based applications
• Home and industrial automation
• Consumer electronic devices
• Battery-powered systems
• Motor and actuator control
• Educational and student projects