PIC16F876A-E/SP

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics:
  • High-performance RISC CPU
  • Flash program memory
  • EEPROM data memory
  • I/O ports
  • Timers/counters
  • Analog-to-digital converter (ADC)
  • Serial communication interfaces
• Package: DIP (Dual In-line Package)
• Essence: The PIC16F876A-E/SP is a versatile microcontroller designed for various control applications in embedded systems.
• Packaging/Quantity: The PIC16F876A-E/SP is typically sold in trays containing multiple units.

Specifications

• CPU Speed: 20 MHz
• Program Memory Size: 14 KB
• RAM Size: 368 bytes
• Data EEPROM Size: 256 bytes
• I/O Pins: 22
• ADC Channels: 8
• Timers: 3
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F876A-E/SP 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
3. RA1/AN1 - Analog input or digital I/O
4. RA2/AN2 - Analog input or digital I/O
5. RA3/AN3/VREF-/CVREF - Analog input or digital I/O
6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O
7. RA5/AN4/SS/HLVDIN - Analog input or digital I/O
8. RE0/RD/AN5 - Reset input or digital I/O
9. RE1/WR/AN6 - Write strobe input or digital I/O
10. RE2/CS/AN7 - Chip select input or digital I/O
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 multiplexed I/O
16. RC2/CCP1 - CCP1 multiplexed I/O
17. RC3/SCK/SCL - Serial clock input or I2C clock input
18. RC4/SDI/SDA - Serial data input or I2C data input
19. RC5/SDO - Serial data output
20. RC6/TX/CK - USART transmit or synchronous serial clock
21. RC7/RX/DT - USART receive or synchronous serial data
22. RD0/PSP0 - Parallel slave port bit 0
23. RD1/PSP1 - Parallel slave port bit 1
24. RD2/PSP2 - Parallel slave port bit 2
25. RD3/PSP3 - Parallel slave port bit 3
26. RD4/PSP4 - Parallel slave port bit 4
27. RD5/PSP5 - Parallel slave port bit 5
28. RD6/PSP6 - Parallel slave port bit 6

Functional Features

The PIC16F876A-E/SP offers several functional features that make it suitable for a wide range of control applications. Some key features include:

• High-performance RISC CPU: The microcontroller is equipped with a powerful CPU capable of executing instructions at high speeds.
• Flash program memory: It has a large program memory size, allowing for the storage of complex control algorithms.
• EEPROM data memory: The microcontroller includes non-volatile data memory for storing critical system parameters and configurations.
• I/O ports: The numerous I/O pins provide flexibility for interfacing with external devices and sensors.
• Timers/counters: Built-in timers and counters enable precise timing and event counting capabilities.
• Analog-to-digital converter (ADC): The ADC allows for the conversion of analog signals into digital values, enabling measurement and control of analog quantities.
• Serial communication interfaces: The microcontroller supports various serial communication protocols such as USART, SPI, and I2C, facilitating communication with other devices.

Advantages and Disadvantages

Advantages: - Versatile and flexible for a wide range of control applications - High-performance CPU for efficient execution of instructions - Ample program and data memory for complex algorithms and parameter storage - Multiple communication interfaces for easy integration with other devices - Extensive I/O capabilities for interfacing with external components

Disadvantages: - Limited RAM size may restrict the complexity of programs that can be executed simultaneously - DIP package may not be suitable for space-con