PIC16CR74T-I/PT

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: Low power consumption, high performance, versatile
• Package: TQFP (Thin Quad Flat Package)
• Essence: 8-bit RISC microcontroller with EEPROM memory
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Architecture: Harvard
• CPU Speed: 20 MHz
• Program Memory Size: 7 KB
• RAM Size: 368 bytes
• Data EEPROM Size: 256 bytes
• I/O Pins: 44
• Timers: 3
• ADC Channels: 8
• Communication Interfaces: USART, SPI, I2C
• Operating Voltage Range: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC16CR74T-I/PT microcontroller 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. MCLR - Master Clear input
9. OSC1 - Oscillator input
10. OSC2 - Oscillator output
11. RC0 - General-purpose I/O pin
12. RC1 - General-purpose I/O pin
13. RC2 - General-purpose I/O pin
14. RC3 - General-purpose I/O pin
15. RC4 - General-purpose I/O pin
16. RC5 - General-purpose I/O pin
17. RC6 - General-purpose I/O pin
18. RC7 - General-purpose I/O pin
19. RD0 - General-purpose I/O pin
20. RD1 - General-purpose I/O pin
21. RD2 - General-purpose I/O pin
22. RD3 - General-purpose I/O pin
23. RD4 - General-purpose I/O pin
24. RD5 - General-purpose I/O pin
25. RD6 - General-purpose I/O pin
26. RD7 - General-purpose I/O pin
27. VSS - Ground

Functional Features

• 8-bit RISC architecture for efficient processing
• Low power consumption for extended battery life
• High-performance capabilities for demanding applications
• Built-in EEPROM memory for data storage
• Versatile I/O pins for interfacing with external devices
• Multiple communication interfaces for seamless connectivity
• Integrated timers and ADC channels for precise timing and analog measurements

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable applications.
• High-performance capabilities enable complex control algorithms.
• Versatile I/O pins allow for flexible interfacing with external devices.
• Built-in EEPROM memory provides non-volatile data storage.
• Multiple communication interfaces facilitate seamless connectivity.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Limited RAM size may impose constraints on data storage and manipulation.
• Restricted operating voltage range may limit compatibility with certain systems.
• Higher cost compared to some other microcontrollers in the market.

Working Principles

The PIC16CR74T-I/PT microcontroller operates based on the Harvard architecture, which separates program memory and data memory. It executes instructions fetched from the program memory and stores data in the RAM and EEPROM memory. The microcontroller communicates with external devices through its I/O pins and interfaces like USART, SPI, and I2C.

The working principle involves fetching instructions from program memory, decoding them, and executing the corresponding operations. The microcontroller can perform tasks such as data manipulation, control algorithms, and communication with other devices. It operates at a specified clock speed and interacts with various peripherals to accomplish desired functionalities.

Detailed Application Field Plans

The PIC16CR74T-I/PT microcontroller finds applications in various fields, including:

1. Industrial automation: Control systems for machinery, process monitoring, and data acquisition.
2. Consumer electronics: Remote controls, smart home devices, and wearable technology.
3. Automotive: Engine management systems, dashboard displays, and vehicle diagnostics.
4. Medical devices: Patient monitoring, diagnostic equipment, and drug delivery systems.
5. Internet of Things (IoT): Sensor nodes, smart agriculture, and environmental monitoring.

Detailed and Complete Alternative Models

• PIC16F74: Similar features with additional Flash memory for program storage.
• PIC18F45K22: Enhanced 8-bit microcontroller with larger memory and advanced