PIC16F876-20I/SO

Product Overview

Category

The PIC16F876-20I/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-based program memory
• Low power consumption
• Wide operating voltage range
• Enhanced peripheral integration
• Flexible I/O options

Package

The PIC16F876-20I/SO is available in a small outline (SO) package, which allows for easy integration into compact electronic devices.

Essence

The essence of the PIC16F876-20I/SO lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with each containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Architecture: 8-bit RISC
• Program Memory Size: 14KB
• CPU Speed: 20 MHz
• Data EEPROM Size: 256 bytes
• RAM Size: 368 bytes
• Number of I/O Pins: 22
• Operating Voltage Range: 2.0V to 5.5V
• Temperature Range: -40°C to +85°C
• Communication Interfaces: USART, SPI, I2C
• Timers/Counters: 3 timers, 1 watchdog timer
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The PIC16F876-20I/SO has a total of 28 pins, each serving a specific purpose. Here is a detailed pin configuration:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input or digital I/O
3. RA1/AN1 - Analog input or digital I/O
4. RA2/AN2 - Analog input or digital I/O
5. RA3/AN3/VREF- - Analog input or digital I/O, voltage reference
6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O, comparator output
7. RA5/AN4/SS - Analog input or digital I/O, SPI slave select
8. RE0/RD/AN5 - Port E pin 0 or RD or analog input
9. RE1/WR/AN6 - Port E pin 1 or WR or analog input
10. RE2/CS/AN7 - Port E pin 2 or CS or analog input
11. VSS - Ground
12. OSC1/CLKIN - Oscillator input
13. OSC2/CLKOUT - Oscillator output
14. RC0/T1OSO/T1CKI - Timer1 oscillator output or clock input
15. RC1/T1OSI/CCP2 - Timer1 oscillator input or CCP2
16. RC2/CCP1 - CCP1
17. RC3/SCK/SCL - SPI/I2C clock
18. RC4/SDI/SDA - SPI/I2C data input
19. RC5/SDO - SPI data output
20. RC6/TX/CK - USART transmit or clock
21. RC7/RX/DT - USART receive or data

Functional Features

The PIC16F876-20I/SO offers several functional features that enhance its performance and versatility:

1. Flash-based Program Memory: Allows for easy reprogramming of the microcontroller.
2. Enhanced Peripheral Integration: Integrated peripherals such as timers, ADC, and communication interfaces simplify system design.
3. Low Power Consumption: Optimized power management features enable efficient operation in battery-powered applications.
4. Flexible I/O Options: The microcontroller offers a wide range of digital and analog I/O pins, providing flexibility in connecting external devices.

Advantages and Disadvantages

Advantages

• High-performance RISC architecture ensures fast and efficient execution of instructions.
• Flash-based program memory allows for easy firmware updates and modifications.
• Enhanced peripheral integration reduces the need for additional external components.
• Low power consumption extends battery life in portable applications.
• Wide operating voltage range enables compatibility with various power sources.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Relatively small RAM size may limit the amount of data that can be processed simultaneously.
• Lack of built-in Ethernet or USB connectivity may require additional components for certain applications.

Working Principles

The PIC16F876-20I/SO operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory to perform specific tasks. The microcontroller interacts with external devices through its I/O pins,