PIC16F876AT-I/SO

Product Overview

Category

The PIC16F876AT-I/SO belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit RISC architecture
• Flash-based program memory
• Wide operating voltage range
• Low power consumption
• Enhanced peripheral integration
• Flexible I/O options

Package

The PIC16F876AT-I/SO is available 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 PIC16F876AT-I/SO is typically packaged in reels, with each reel containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Architecture: 8-bit RISC
• Program Memory: 14 KB Flash
• Data Memory: 368 bytes RAM
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 20 MHz
• Digital I/O Pins: 22
• Analog Input Channels: 5
• Timers: 3
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F876AT-I/SO microcontroller has a total of 28 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input or digital I/O pin
3. RA1/AN1 - Analog input or digital I/O pin
4. RA2/AN2 - Analog input or digital I/O pin
5. RA3/AN3 - Analog input or digital I/O pin
6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O pin
7. RA5/AN4/MCLR/VPP - Analog input, Master Clear input, or programming voltage supply
8. RE0/RD/AN5 - Port E bit 0 or Port D bit 0 or analog input
9. RE1/WR/AN6 - Port E bit 1 or Port W bit 1 or analog input
10. RE2/CS/AN7 - Port E bit 2 or Chip Select input or analog input
11. VSS - Ground
12. OSC1/CLKIN - Oscillator input
13. OSC2/CLKOUT - Oscillator output
14. RC0/T1OSO/T1CKI - Timer1 oscillator output or Timer1 clock input
15. RC1/T1OSI/CCP2 - Timer1 oscillator input or Capture/Compare/PWM (CCP) module 2
16. RC2/CCP1 - Capture/Compare/PWM (CCP) module 1
17. RC3/SCK/SCL - Serial Clock input or I2C bus clock
18. RC4/SDI/SDA - Serial Data input or I2C bus data
19. RC5/SDO - Serial Data output
20. RC6/TX/CK - USART Transmit or synchronous clock
21. RC7/RX/DT - USART Receive or asynchronous data

Functional Features

The PIC16F876AT-I/SO microcontroller offers several functional features that enhance its performance and versatility:

• Flash-based program memory allows for easy reprogramming of the microcontroller.
• Enhanced peripheral integration includes timers, communication interfaces, and analog input channels, enabling seamless interaction with external devices.
• Flexible I/O options provide the ability to interface with various sensors, actuators, and other electronic components.
• Low power consumption ensures efficient operation in battery-powered applications.

Advantages and Disadvantages

Advantages

• High-performance RISC architecture enables fast and efficient execution of instructions.
• Flash-based program memory allows for easy firmware updates and modifications.
• Enhanced peripheral integration simplifies circuit design and reduces external component count.
• Wide operating voltage range provides flexibility in different power supply scenarios.
• Low power consumption extends battery life in portable applications.

Disadvantages

• Limited program memory size may restrict the complexity of applications that can be implemented.
• The number of I/O pins may be insufficient for certain projects requiring extensive interfacing.
• Lack of built-in hardware encryption or security features may pose challenges in secure applications.

Working Principles

The PIC16F876AT-I/SO microcontroller operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, manipulating data from registers and interacting with peripherals to perform desired tasks. The microcontroller's clock drives the execution of instructions,