PIC16F874-04I/P

Product Overview

Category

The PIC16F874-04I/P belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit RISC architecture
• Flash program memory
• EEPROM data memory
• Wide operating voltage range
• Low power consumption
• Integrated peripherals for versatile functionality

Package

The PIC16F874-04I/P is available in a 40-pin plastic dual inline package (PDIP).

Essence

The essence of the PIC16F874-04I/P lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC16F874-04I/P is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Architecture: 8-bit RISC
• Program Memory Size: 8 KB
• Data Memory Size: 368 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 4 MHz
• Number of I/O Pins: 33
• Timers/Counters: 3
• Analog-to-Digital Converters: 5 channels
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F874-04I/P has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input or digital I/O
3. RA1/AN1 - Analog input or digital I/O
4. RA2/AN2 - Analog input or digital I/O
5. RA3/AN3/VREF - Analog input or digital I/O
6. RA4/T0CKI - Timer0 clock input or digital I/O
7. RA5/AN4/SS - Analog input or digital I/O
8. RE0/RD/AN5 - Port E bit 0 or RD or analog input
9. RE1/WR/AN6 - Port E bit 1 or WR or analog input
10. RE2/CS/AN7 - Port E bit 2 or CS or analog input
11. VSS - Ground
12. OSC1/CLKIN - Oscillator crystal input
13. OSC2/CLKOUT - Oscillator crystal output
14. RC0/T1OSO/T1CKI - Timer1 oscillator output or external clock input
15. RC1/T1OSI/CCP2 - Timer1 oscillator input or CCP2
16. RC2/CCP1 - CCP1
17. RC3/SCK/SCL - Serial clock for SPI or I2C
18. RC4/SDI/SDA - Serial data input for SPI or I2C
19. RC5/SDO - Serial data output for SPI
20. RC6/TX/CK - USART transmit or synchronous clock
21. RC7/RX/DT - USART receive or asynchronous data

... (continued)

Functional Features

The PIC16F874-04I/P offers several functional features that enhance its usability and performance:

1. Flash Program Memory: Allows for easy reprogramming of the microcontroller's code.
2. EEPROM Data Memory: Provides non-volatile storage for critical data.
3. Integrated Peripherals: Includes timers/counters, analog-to-digital converters, and communication interfaces, enabling versatile functionality.
4. Low Power Consumption: Optimized power management ensures efficient operation in battery-powered applications.
5. Wide Operating Voltage Range: Allows for compatibility with various power supply configurations.

Advantages and Disadvantages

Advantages

• High-performance RISC architecture enables fast and efficient processing.
• Flash program memory allows for easy code updates and modifications.
• Integrated peripherals provide flexibility in designing complex systems.
• Low power consumption extends battery life in portable applications.
• Wide operating voltage range ensures compatibility with different power sources.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Limited data memory size may pose challenges in storing large amounts of data.
• Lower CPU speed compared to some other microcontrollers may impact performance in demanding applications.

Working Principles

The PIC16F874-04I/P operates based on an 8-bit RISC architecture. It executes instructions stored in its program memory, manipulating data from its data memory and interacting with various peripherals. The microcontroller follows a sequential execution model, where each instruction is fetched, decoded, and executed in a step-by-step manner.

Detailed Application Field Plans

The PIC16F874-04I/P finds applications in various fields, including but not limited to:

1.