PIC16F874-04/PT

Product Overview

Category

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

Use

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

Characteristics

• High-performance 8-bit RISC architecture
• Flash-based program memory
• Low power consumption
• Wide operating voltage range
• Enhanced peripheral integration
• Flexible I/O options

Package

The PIC16F874-04/PT is available in a small form factor package, making it suitable for space-constrained designs. It comes in a plastic tray (PT) packaging.

Essence

The essence of the PIC16F874-04/PT lies in its ability to provide efficient and reliable control and processing capabilities in a compact package.

Packaging/Quantity

The PIC16F874-04/PT is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Microcontroller Family: PIC16F
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 4 MHz
• Program Memory Size: 7.5 KB
• RAM Size: 368 bytes
• Number of I/O Pins: 33
• Timers: 3
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Serial Communication: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F874-04/PT has 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/TOCKI - General-purpose I/O pin / Timer0 external clock input
7. RA5/MCLR/VPP - Master Clear input / Programming voltage supply
8. VSS - Ground
9. RB0/INT - General-purpose I/O pin / External interrupt input
10. RB1 - General-purpose I/O pin
11. RB2 - General-purpose I/O pin
12. RB3 - General-purpose I/O pin
13. RB4 - General-purpose I/O pin
14. RB5 - General-purpose I/O pin
15. RB6/PGC - General-purpose I/O pin / Programming and Debugging Clock
16. RB7/PGD - General-purpose I/O pin / Programming and Debugging Data
17. VDD - Power supply voltage
18. VSS - Ground
19. RC0 - General-purpose I/O pin
20. RC1 - General-purpose I/O pin
21. RC2 - General-purpose I/O pin
22. RC3 - General-purpose I/O pin
23. RC4 - General-purpose I/O pin
24. RC5 - General-purpose I/O pin
25. RC6/TX/CK - General-purpose I/O pin / USART Transmit / Clock
26. RC7/RX/DT - General-purpose I/O pin / USART Receive / Data
27. OSC1/CLKIN - Oscillator input
28. OSC2/CLKOUT - Oscillator output 29-40. Unused pins

Functional Features

The PIC16F874-04/PT offers a range of functional features that enhance its usability and performance:

1. Flash-based program memory allows for easy reprogramming and flexibility.
2. Enhanced peripheral integration includes timers, ADC, and serial communication interfaces, enabling seamless interaction with external devices.
3. Low power consumption ensures efficient operation in battery-powered applications.
4. Wide operating voltage range provides compatibility with various power supply sources.
5. Flexible I/O options allow for versatile connectivity and control.

Advantages and Disadvantages

Advantages

• High-performance RISC architecture enables fast and efficient processing.
• Flash-based program memory allows for easy updates and modifications.
• Enhanced peripheral integration simplifies system design and reduces external component count.
• Low power consumption extends battery life in portable applications.
• Compact package size makes it suitable for space-constrained designs.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Relatively low CPU speed compared to some other microcontrollers.
• Lack of certain advanced features found in higher-end microcontrollers.

Working Principles

The PIC16F874-04/PT operates based on a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its flash-based program memory, utilizing its integrated peripherals and I/O pins to perform various tasks. The microcontroller follows a sequential execution model, where each instruction is fetched, decoded, and executed in a step-by