PIC16C74A-20E/P

Product Overview

Category

The PIC16C74A-20E/P belongs to the category of microcontrollers.

Use

This microcontroller is widely used in various electronic devices and embedded systems for controlling and processing data.

Characteristics

• Low power consumption
• High performance
• Compact size
• Versatile functionality
• Easy integration with other components

Package

The PIC16C74A-20E/P is available in a 40-pin PDIP (Plastic Dual Inline Package) format.

Essence

The essence of the PIC16C74A-20E/P lies in its ability to provide efficient control and processing capabilities in a compact package.

Packaging/Quantity

The PIC16C74A-20E/P is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Microcontroller type: 8-bit
• Clock frequency: 20 MHz
• Program memory: 4 KB
• RAM: 192 bytes
• I/O pins: 33
• Timers: 3
• ADC channels: 8
• Communication interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16C74A-20E/P has a total of 40 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 - Oscillator input
13. OSC2 - 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 - General-purpose I/O pin
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. VPP - Programming voltage
29. RD0 - General-purpose I/O pin
30. RD1 - General-purpose I/O pin
31. RD2 - General-purpose I/O pin
32. RD3 - General-purpose I/O pin
33. RD4 - General-purpose I/O pin
34. RD5 - General-purpose I/O pin
35. RD6 - General-purpose I/O pin
36. RD7 - General-purpose I/O pin
37. MCLR - Master Clear input
38. PGD - Programming data
39. PGC - Programming clock
40. VSS - Ground

Functional Features

The PIC16C74A-20E/P offers the following functional features:

• High-speed processing capabilities
• On-chip program memory and RAM
• Multiple communication interfaces for data exchange
• Built-in timers for precise timing operations
• Analog-to-Digital Converter (ADC) for analog signal processing
• Flexible I/O pins for interfacing with external devices
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into small-scale designs
• Versatile functionality caters to a wide range of applications
• Low power consumption extends battery life in portable devices
• High-performance processing capabilities enable efficient data handling

Disadvantages

• Limited program memory and RAM may restrict complex applications
• Lack of advanced features compared to more modern microcontrollers
• Availability of alternative models with enhanced specifications

Working Principles

The PIC16C74A-20E/P operates based on the Von Neumann architecture, where it fetches instructions from program memory and executes them sequentially. It utilizes a central processing unit (CPU) to perform arithmetic, logical, and control operations. The microcontroller interacts with external devices through its I/O pins and communication interfaces.

Detailed Application Field Plans

The PIC16C74A-20E/P finds applications in various fields, including but not limited to:

1. Industrial automation: Controlling machinery and processes
2. Consumer electronics: Operating household appliances and entertainment systems