PIC16C74A-10E/PQ

Product Overview

Category

The PIC16C74A-10E/PQ belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit CPU
• Flash-based program memory
• Low power consumption
• Wide operating voltage range
• Multiple communication interfaces
• On-chip peripherals for enhanced functionality

Package

The PIC16C74A-10E/PQ is available in a PQFP package, which stands for Plastic Quad Flat Package. This package offers a compact size and easy integration into circuit boards.

Essence

The essence of the PIC16C74A-10E/PQ lies in its ability to provide efficient control and processing capabilities in a small form factor.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Architecture: 8-bit
• Program Memory Size: 4KB
• RAM Size: 192 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 10 MHz
• Number of I/O Pins: 33
• Communication Interfaces: USART, SPI, I2C
• Timers/Counters: 3
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The PIC16C74A-10E/PQ has a total of 40 pins. Here is a detailed pin configuration:

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/TOCKI - General-purpose I/O pin / Timer0 external clock input
7. RA5/MCLR/VPP - Master Clear input / Programming voltage supply
8. OSC1/CLKIN - Oscillator input
9. OSC2/CLKOUT - Oscillator output
10. RC0 - General-purpose I/O pin
11. RC1 - General-purpose I/O pin
12. RC2 - General-purpose I/O pin
13. RC3 - General-purpose I/O pin
14. RC4 - General-purpose I/O pin
15. RC5 - General-purpose I/O pin
16. VSS - Ground

... (continued)

Functional Features

The PIC16C74A-10E/PQ offers several functional features that enhance its capabilities:

1. Flash-based Program Memory: Allows for easy reprogramming of the microcontroller, enabling flexibility in application development.
2. On-Chip Peripherals: Integrated peripherals such as timers/counters and communication interfaces simplify system design and reduce external component requirements.
3. Low Power Consumption: The microcontroller is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered applications.
4. Wide Operating Voltage Range: The PIC16C74A-10E/PQ can operate within a wide voltage range, providing compatibility with various power supply configurations.
5. High-Speed Processing: With a maximum operating speed of 10 MHz, this microcontroller can handle complex tasks quickly and efficiently.

Advantages and Disadvantages

Advantages

• Compact size and easy integration due to PQFP package
• Flash-based program memory allows for easy reprogramming
• Multiple communication interfaces provide versatility in connectivity options
• On-chip peripherals reduce external component requirements
• Low power consumption extends battery life in portable applications

Disadvantages

• Limited program memory size (4KB) may restrict the complexity of applications
• Limited RAM size (192 bytes) may impose constraints on data storage and processing capabilities
• Maximum operating speed of 10 MHz may limit performance in high-speed applications

Working Principles

The PIC16C74A-10E/PQ operates based on an 8-bit CPU architecture. It executes instructions stored in its flash-based program memory, which can be reprogrammed as needed. The microcontroller interacts with external devices and systems through its I/O pins and communication interfaces.

Upon power-up or reset, the microcontroller initializes its internal registers and peripherals. It then enters a loop where it continuously fetches and executes instructions from the program memory. These instructions control the behavior of the microcontroller and enable it to perform various tasks such as data processing, I/O operations, and communication.

Detailed Application Field Plans

The PIC16C74A-10E/PQ finds application in a wide range of electronic devices and systems, including but not limited to:

1. Home Automation Systems: Controlling and monitoring various home appliances and