PIC16C74A-04/L

Product Overview

Category

The PIC16C74A-04/L belongs to the category of microcontrollers.

Use

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

Characteristics

• Low power consumption
• High-performance RISC architecture
• Wide operating voltage range
• On-chip program memory
• Multiple I/O ports
• Timer modules for precise timing operations

Package

The PIC16C74A-04/L is available in a 40-pin PDIP (Plastic Dual Inline Package) package.

Essence

The essence of the PIC16C74A-04/L lies in its ability to provide efficient control and processing capabilities within a compact and low-power microcontroller.

Packaging/Quantity

The PIC16C74A-04/L is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 2.0V to 5.5V
• Maximum Clock Frequency: 4 MHz
• Program Memory Size: 4 KB
• RAM Size: 192 bytes
• I/O Pins: 33
• Timers: 3
• ADC Channels: 8
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16C74A-04/L features a total of 40 pins, each serving a specific purpose. 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. MCLR - Master Clear input
9. VSS - Ground
10. RB0 - General-purpose I/O pin
11. RB1 - General-purpose I/O pin
12. RB2 - General-purpose I/O pin
13. RB3 - General-purpose I/O pin
14. RB4 - General-purpose I/O pin
15. RB5 - General-purpose I/O pin
16. RB6 - General-purpose I/O pin
17. RB7 - General-purpose I/O pin
18. VDD - Power supply voltage
19. OSC1 - Oscillator input
20. OSC2 - Oscillator output
21. RC0 - General-purpose I/O pin
22. RC1 - General-purpose I/O pin
23. RC2 - General-purpose I/O pin
24. RC3 - General-purpose I/O pin
25. RC4 - General-purpose I/O pin
26. RC5 - General-purpose I/O pin
27. RC6 - General-purpose I/O pin
28. RC7 - General-purpose I/O pin
29. VSS - Ground
30. RD0 - General-purpose I/O pin
31. RD1 - General-purpose I/O pin
32. RD2 - General-purpose I/O pin
33. RD3 - General-purpose I/O pin
34. RD4 - General-purpose I/O pin
35. RD5 - General-purpose I/O pin
36. RD6 - General-purpose I/O pin
37. RD7 - General-purpose I/O pin
38. VDD - Power supply voltage
39. VSS - Ground
40. RB3/PGM - Programming mode selection

Functional Features

The PIC16C74A-04/L offers several functional features that enhance its usability and performance:

1. High-performance RISC architecture allows for efficient execution of instructions.
2. On-chip program memory enables the storage of user programs.
3. Multiple I/O ports provide flexibility for interfacing with external devices.
4. Timer modules allow precise timing operations and event triggering.
5. ADC channels enable analog-to-digital conversion for sensor interfacing.
6. Communication interfaces (USART, SPI, I2C) facilitate data exchange with other devices.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Compact size and integrated features reduce the need for external components.
• Wide operating voltage range allows for compatibility with various power sources.
• High-performance RISC architecture ensures efficient execution of instructions.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Relatively low clock frequency may limit processing speed in demanding applications.
• Lack of advanced peripherals compared to newer microcontroller models.

Working Principles

The PIC16C74A-04/L 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 external devices through its I/O ports. The microcontroller