PIC16F877-20I/PT

Product Overview

Category

The PIC16F877-20I/PT 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 PIC16F877-20I/PT is available in a 44-pin TQFP (Thin Quad Flat Pack) package.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic applications.

Packaging/Quantity

The PIC16F877-20I/PT is typically packaged in reels, with each reel containing a specific quantity of microcontrollers.

Specifications

• Microcontroller Family: PIC16
• CPU Speed: 20 MHz
• Program Memory Size: 14 KB
• RAM Size: 368 bytes
• Number of I/O Pins: 33
• ADC Channels: 8
• Timers: 3
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F877-20I/PT has a total of 44 pins. 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 - General-purpose I/O pin
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. RB8 - General-purpose I/O pin
29. RB9 - General-purpose I/O pin
30. RB10 - General-purpose I/O pin
31. RB11 - General-purpose I/O pin
32. RB12 - General-purpose I/O pin
33. RB13 - General-purpose I/O pin
34. RB14 - General-purpose I/O pin
35. RB15 - General-purpose I/O pin
36. VCAP - Capacitor connection for internal voltage regulator
37. VDD - Power supply voltage
38. VSS - Ground
39. AVDD - Analog power supply voltage
40. AN0 - Analog input channel
41. AN1 - Analog input channel
42. AN2 - Analog input channel
43. AN3 - Analog input channel
44. AVSS - Analog ground

Functional Features

• High-speed processing capabilities
• Flash memory for program storage
• Built-in peripherals for various applications
• Analog-to-Digital Converter (ADC)
• Timers and counters for precise timing operations
• Communication interfaces for data exchange

Advantages and Disadvantages

Advantages

• High-performance RISC architecture ensures efficient execution of instructions
• Low power consumption extends battery life in portable applications
• Wide operating voltage range allows for flexibility in power supply options
• Enhanced peripheral integration reduces external component count and board space requirements

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 advanced features found in more modern microcontrollers

Working Principles

The PIC16F877-20I/PT operates based on a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its flash memory, which is programmable by the user. The microcontroller interacts with its peripherals and I/O pins to perform specific tasks as programmed.

Detailed Application Field Plans

The PIC16F877-20I