PIC16F84A Microcontroller

PIC16F84A Microcontroller 

The PIC16F84A is an 8-bit microcontroller from Microchip Technology and is one of the most popular early PIC microcontrollers. It is widely used for learning, prototyping, and small embedded applications.

It uses Harvard architecture with a RISC instruction set, allowing most instructions to execute in a single clock cycle. The device operates at up to 20 MHz and includes EEPROM and Flash program memory for storing programs that can be erased and reprogrammed.

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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: 1 KB Flash
• RAM: 68 bytes
• EEPROM: 64 bytes
• I/O pins: 13 programmable digital I/O pins
• Timers:
• Timer0 (8-bit)
• Interrupt system: Basic interrupt support
• Watchdog Timer (WDT)
• In-Circuit Serial Programming (ICSP)
• Low-power sleep mode
• Available packages: DIP and SMD

Applications

• Simple embedded control systems
• Educational and learning projects
• Small robotics projects
• LED and motor control applications
• Sensor-based systems
• Hobbyist electronics