The PIC16F877A is a highly popular 8-bit microcontroller from Microchip, widely used in embedded systems, industrial automation, and educational projects. It offers reliable performance, multiple communication interfaces, and built-in ADC, making it ideal for engineers, students, and developers.
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Key Features
• High-performance RISC CPU architecture
• Operating frequency up to 20MHz
• 8K words of Flash program memory
• 368 bytes RAM, 256 bytes EEPROM
• Built-in 10-bit ADC (8 channels)
• Multiple communication interfaces (USART, SPI, I2C)
• 33 programmable I/O pins
• Wide operating voltage range (2.0V – 5.5V)
• Low power consumption modes (Sleep mode)
• In-Circuit Serial Programming (ICSP) support
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Technical Specifications
• Core Architecture: 8-bit PIC RISC
• Package Type: DIP-40
• Operating Voltage: 2.0V – 5.5V
• Max Clock Speed: 20 MHz
• Flash Memory: 8K x 14 words
• SRAM: 368 Bytes
• EEPROM: 256 Bytes
• ADC Resolution: 10-bit
• ADC Channels: 8
• Digital I/O Pins: 33
• Timers: 3 (Timer0, Timer1, Timer2)
• Communication Protocols:
•USART (UART)
•SPI
•I2C
• PWM Modules: 2
• Interrupt Sources: Multiple internal/external
• Operating Temperature: -40°C to +85°C
• Programming Method: ICSP
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Applications
• Embedded systems development
• Industrial control systems
• Robotics projects
• Arduino alternative microcontroller projects
• Smart home systems
• Sensor interfacing and data acquisition
• Educational labs and engineering training
• Automation panels and controllers