PIC18LF25K22T-I/SO

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: Low power consumption, high performance, versatile
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A microcontroller designed for various control applications with low power requirements.
• Packaging/Quantity: Sold in reels of 2500 units.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 64 MHz
• Program Memory Size: 32 KB
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• Number of I/O Pins: 25
• ADC Channels: 10
• Timers: 4
• Communication Interfaces: SPI, I2C, UART
• Operating Voltage Range: 1.8V to 5.5V
• Temperature Range: -40°C to +125°C

Pin Configuration

The PIC18LF25K22T-I/SO microcontroller has a total of 28 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. 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. VSS - Ground
19. OSC1/CLKIN - Oscillator input
20. OSC2/CLKOUT - 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. VDD - Power supply voltage
28. VSS - Ground

Functional Features

• Low power consumption: The PIC18LF25K22T-I/SO microcontroller is designed to operate efficiently with low power requirements, making it suitable for battery-powered applications.
• High performance: With a CPU speed of up to 64 MHz, this microcontroller offers fast and reliable processing capabilities.
• Versatile: The microcontroller supports various communication interfaces such as SPI, I2C, and UART, enabling seamless integration with other devices.
• Rich I/O capabilities: With 25 I/O pins, the microcontroller provides flexibility in connecting external components and peripherals.
• Integrated peripherals: The PIC18LF25K22T-I/SO includes features like timers and ADC channels, enhancing its ability to handle control applications.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable applications. - High-performance CPU enables efficient execution of complex tasks. - Versatile communication interfaces facilitate connectivity with other devices. - Ample I/O pins provide flexibility in system design. - Integrated peripherals enhance functionality.

Disadvantages: - Limited program memory size may restrict the complexity of applications. - Limited RAM size may impose constraints on data storage and manipulation. - Small package size may require additional external components for certain applications.

Working Principles

The PIC18LF25K22T-I/SO microcontroller operates based on the Von Neumann architecture. It consists of a central processing unit (CPU), program memory, data memory, and various peripherals. The CPU fetches instructions from the program memory, executes them, and manipulates data stored in the data memory. The microcontroller communicates with external devices through its I/O pins and interfaces such as SPI, I2C, and UART.

Detailed Application Field Plans

The PIC18LF25K22T-I/SO microcontroller finds applications in various fields, including:

1. Home automation systems: Controlling lighting, temperature, and security systems.
2. Industrial automation: Monitoring and controlling machinery and processes.
3. Automotive electronics: Managing vehicle subsystems and interfaces.
4. Medical devices: Controlling and monitoring medical equipment.
5. Consumer electronics: Power management, user interface control, and sensor integration.

Alternative Models

• PIC18LF24K22T-I/SO
• PIC18LF26K22T-I/SO
• PIC18LF27K22T-I/S