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PIC16F871-E/L

PIC16F871-E/L Description

The PIC16F871-E/L is an 8-bit microcontroller from Microchip Technology, part of the PIC® 16F series. It features a 20MHz core processor and 3.5KB of FLASH program memory, organized as 2K x 14 bits. This microcontroller is designed for surface-mount applications and comes in a 44-pin PLCC package. It operates within a voltage range of 4V to 5.5V and is equipped with an external oscillator. The PIC16F871-E/L includes 128 bytes of RAM and 64 bytes of EEPROM, both organized as 8-bit data. It also features an 8-channel, 10-bit A/D converter and UART/USART connectivity options. Despite being marked as obsolete, this microcontroller remains a robust choice for specific embedded applications, with a moisture sensitivity level of 3 (168 hours) and compliance with REACH and ROHS3 standards.

PIC16F871-E/L Features

• Core Processor: 20MHz PIC core processor, ensuring high-speed operation.
• Program Memory: 3.5KB FLASH memory (2K x 14), providing ample space for complex programs.
• RAM and EEPROM: 128 bytes of RAM and 64 bytes of EEPROM, offering reliable data storage.
• Data Converters: 8-channel, 10-bit A/D converter for precise analog-to-digital conversions.
• Connectivity: UART/USART support for serial communication.
• Power Supply: Operates within a 4V to 5.5V range, suitable for various power supply configurations.
• I/O Pins: 33 I/O pins, providing extensive control and interfacing capabilities.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards.
• Moisture Sensitivity: MSL 3 (168 hours), suitable for surface-mount applications.
• Packaging: Supplied in a tube package, ideal for bulk handling and storage.

PIC16F871-E/L Applications

The PIC16F871-E/L is ideal for a wide range of embedded applications, particularly those requiring high-speed processing, extensive I/O capabilities, and reliable data storage. Its UART/USART connectivity makes it suitable for communication-intensive tasks, while the A/D converter supports applications involving analog signal processing. Specific use cases include:

• Industrial Control Systems: Managing and monitoring industrial processes with precise control and data acquisition.
• Automotive Electronics: Implementing control units and sensors in automotive applications.
• Consumer Electronics: Driving appliances and devices with complex control algorithms and user interfaces.
• Medical Devices: Ensuring reliable operation and data integrity in medical monitoring equipment.
• Telecommunications: Supporting communication protocols and data handling in telecommunication devices.

Conclusion of PIC16F871-E/L

The PIC16F871-E/L, despite its obsolete status, remains a versatile and reliable microcontroller for a variety of embedded applications. Its combination of high-speed processing, ample memory, and robust I/O capabilities make it an excellent choice for projects requiring precise control and data handling. The inclusion of UART/USART connectivity and an 8-channel A/D converter further enhances its utility in communication and analog signal processing tasks. For applications that require compliance with environmental and regulatory standards, the PIC16F871-E/L’s REACH unaffected and ROHS3 compliant status ensures it meets industry requirements. Overall, the PIC16F871-E/L continues to offer significant value and performance benefits in its target applications.