PIC16F876T-20I/SO

Product Overview

Category

The PIC16F876T-20I/SO belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit RISC architecture
• Flash program memory with self-read/write capability
• Wide operating voltage range: 2.0V to 5.5V
• Low power consumption
• Enhanced features for robust and reliable operation

Package

The PIC16F876T-20I/SO comes in a small outline (SO) package, which allows for easy integration into compact electronic devices.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC16F876T-20I/SO is typically packaged in reels, containing a quantity of 250 units per reel.

Specifications

• Operating Voltage: 2.0V to 5.5V
• Maximum Clock Frequency: 20 MHz
• Flash Program Memory: 14 KB
• RAM: 368 bytes
• I/O Pins: 22
• Timers: 3
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Serial Communication: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F876T-20I/SO has a total of 28 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0 - General-purpose I/O pin
3. RA1 - General-purpose I/O pin
4. RA2 - General-purpose I/O pin
5. RA3 - General-purpose I/O pin
6. RA4 - General-purpose I/O pin
7. RA5/AN4 - General-purpose I/O pin / Analog input channel 4
8. RE0 - General-purpose I/O pin
9. RE1 - General-purpose I/O pin
10. RE2 - General-purpose I/O pin
11. VSS - Ground
12. OSC1/CLKIN - Oscillator input
13. OSC2/CLKOUT - Oscillator output
14. RC0 - General-purpose I/O pin
15. RC1 - General-purpose I/O pin
16. RC2 - General-purpose I/O pin
17. RC3 - General-purpose I/O pin
18. RC4 - General-purpose I/O pin
19. RC5 - General-purpose I/O pin
20. RB0/INT - General-purpose I/O pin / External interrupt input
21. RB1 - General-purpose I/O pin
22. RB2 - General-purpose I/O pin
23. RB3 - General-purpose I/O pin
24. RB4 - General-purpose I/O pin
25. RB5 - General-purpose I/O pin
26. RB6 - General-purpose I/O pin
27. RB7 - General-purpose I/O pin
28. VDD - Power supply voltage

Functional Features

The PIC16F876T-20I/SO offers several functional features that enhance its performance and versatility:

1. Flash Program Memory: The microcontroller's flash program memory allows for easy reprogramming, enabling flexibility in application development.
2. Enhanced Timers: The three built-in timers provide precise timing control for various tasks, such as generating accurate delays or measuring time intervals.
3. Analog-to-Digital Converter (ADC): The ADC enables the microcontroller to convert analog signals into digital values, making it suitable for applications involving sensor interfacing or data acquisition.
4. Serial Communication: The USART, SPI, and I2C interfaces facilitate seamless communication with other devices, expanding the microcontroller's connectivity options.

Advantages and Disadvantages

Advantages

• High-performance RISC architecture ensures efficient execution of instructions.
• Wide operating voltage range allows for compatibility with various power sources.
• Flash program memory enables easy reprogramming and flexibility in application development.
• Low power consumption extends battery life in portable applications.
• Enhanced features ensure robust and reliable operation.

Disadvantages

• Limited RAM capacity may restrict the complexity of certain applications.
• Lack of built-in peripherals, such as USB or Ethernet, may require additional external components for specific connectivity requirements.

Working Principles

The PIC16F876T-20I/SO operates based on a Harvard architecture, where separate program and data memories are utilized. It executes instructions fetched from the flash program memory and stores data in the RAM. The microcontroller follows a sequential execution model, executing one instruction at a time. It interacts with external devices through its I/O pins and communicates via various serial interfaces.

Detailed Application Field Plans

The PIC16F876