PIC16F871-I/P

Product Overview

Category

The PIC16F871-I/P belongs to the category of microcontrollers.

Use

This microcontroller is widely used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• Low power consumption
• High-performance RISC CPU
• Wide operating voltage range
• On-chip peripherals for enhanced functionality
• Flash memory for program storage
• EEPROM data memory for non-volatile storage
• Multiple communication interfaces
• Timers and PWM modules for precise timing control

Package

The PIC16F871-I/P is available in a 40-pin plastic dual inline package (PDIP).

Essence

The essence of the PIC16F871-I/P lies in its ability to provide a cost-effective solution for controlling and managing electronic systems with its integrated features and compact design.

Packaging/Quantity

This microcontroller is typically packaged in tubes or trays, with quantities varying depending on the supplier and customer requirements.

Specifications

• CPU: 8-bit RISC
• Program Memory: 3.5 KB Flash
• Data Memory: 128 bytes EEPROM, 128 bytes RAM
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 20 MHz
• I/O Pins: 33
• Communication Interfaces: USART, SPI, I2C
• Timers: 3 x 8-bit, 1 x 16-bit
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The PIC16F871-I/P has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input / Digital I/O
3. RA1/AN1 - Analog input / Digital I/O
4. RA2/AN2 - Analog input / Digital I/O
5. RA3/AN3/VREF-/CVREF - Analog input / Digital I/O
6. RA4/T0CKI/C1OUT - Timer0 clock input / Digital I/O / Comparator output
7. RA5/AN4/SS - Analog input / Digital I/O / Slave select (SPI)
8. RE0/RD/AN5 - Port E bit 0 / Read control / Analog input
9. RE1/WR/AN6 - Port E bit 1 / Write control / Analog input
10. RE2/CS/AN7 - Port E bit 2 / Chip select / Analog input
11. VSS - Ground
12. OSC1/CLKIN - Oscillator input
13. OSC2/CLKOUT - Oscillator output
14. RC0/T1OSO/T1CKI - Timer1 oscillator output / Timer1 clock input
15. RC1/T1OSI/CCP2 - Timer1 oscillator input / Capture/Compare/PWM 2
16. RC2/CCP1 - Capture/Compare/PWM 1
17. RC3/SCL/SDA - I2C clock / I2C data
18. RC4/SDO - SPI data out
19. RC5/SDI/SDI - SPI data in
20. RC6/TX/CK - USART transmit / Clock
21. RC7/RX/DT - USART receive / Data

... (continued)

Functional Features

The PIC16F871-I/P offers a range of functional features that enhance its capabilities:

• High-performance RISC CPU for efficient execution of instructions
• Flash memory for storing the program code
• EEPROM data memory for non-volatile storage of critical data
• Multiple communication interfaces (USART, SPI, I2C) for seamless integration with other devices
• Timers and PWM modules for precise timing control and generation of analog signals
• Analog-to-Digital Converter (ADC) for converting analog signals into digital values
• Interrupt capability for handling real-time events
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• Cost-effective solution for embedded control applications
• Compact design and integrated features save board space
• Wide operating voltage range allows flexibility in power supply options
• On-chip peripherals reduce the need for external components
• Flash memory enables easy reprogramming of the microcontroller

Disadvantages

• Limited program and data memory compared to higher-end microcontrollers
• Relatively lower processing speed compared to advanced microcontrollers
• Lack of advanced features such as hardware encryption or floating-point arithmetic

Working Principles

The PIC16F871-I/P operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, manipulating data from various sources using its CPU