PIC16F874A Microcontroller

PIC16F874A Microcontroller 

The PIC16F874A is an 8-bit microcontroller from Microchip Technology, part of the PIC16F family. It is designed for low-cost, low-power, and reliable embedded applications.

It uses Harvard architecture with a RISC instruction set, which allows most instructions to execute in a single clock cycle. Operating up to 20 MHz, the device has Flash program memory, which can be erased and reprogrammed, making it suitable for prototyping and development. It is often used in educational, industrial, and consumer 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: 8 KB Flash
• RAM: 368 bytes
• EEPROM: 128 bytes
• I/O pins: 33 programmable digital I/O pins
• Timers:
• Timer0 (8-bit)
• Timer1 and Timer3 (16-bit)
• Timer2 (8-bit)
• Analog features:
• 10-bit ADC with 8 input channels
• 2 analog comparators
• Communication interfaces:
• USART
• SPI
• I²C (MSSP module)
• PWM / CCP modules
• Interrupt system
• Watchdog Timer (WDT)
• In-Circuit Serial Programming (ICSP)
• Low-power sleep mode

Applications

• Embedded control systems
• Industrial automation and monitoring
• Robotics and motor control
• Home automation systems
• Sensor-based systems and data acquisition
• Consumer electronics
• Educational and student projects