PIC18LF25J10-I/ML

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics: Low power consumption, high performance, versatile
• Package: 28-pin QFN (Quad Flat No-Lead)
• Essence: A microcontroller designed for various control applications with low power requirements.
• Packaging/Quantity: Tray packaging, available in multiple quantities.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 32 KB
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• Operating Voltage Range: 2.3V to 5.5V
• I/O Pins: 25
• ADC Channels: 12
• Timers: 4
• Communication Interfaces: SPI, I2C, UART

Pin Configuration

The PIC18LF25J10-I/ML 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. VDD - Power supply voltage
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 - General-purpose I/O pin
26. RC7 - General-purpose I/O pin
27. OSC1 - Oscillator input
28. OSC2 - Oscillator output

Functional Features

• Low power consumption: The PIC18LF25J10-I/ML 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 40 MHz, this microcontroller offers fast and reliable processing capabilities.
• Versatile: The microcontroller supports various communication interfaces such as SPI, I2C, and UART, allowing seamless integration with other devices.
• Rich I/O capabilities: With 25 I/O pins, the microcontroller provides flexibility for connecting external components and peripherals.
• On-chip peripherals: The PIC18LF25J10-I/ML includes built-in timers and ADC channels, enabling precise timing and analog signal acquisition.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered applications. - High-performance CPU allows for fast and efficient processing. - Versatile communication interfaces enable easy integration with other devices. - Ample I/O pins provide flexibility for connecting external components.

Disadvantages: - Limited program memory size (32 KB) may restrict the complexity of applications. - Limited RAM size (2 KB) may limit the amount of data that can be stored during runtime.

Working Principles

The PIC18LF25J10-I/ML 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.

The microcontroller follows a Von Neumann execution model, where it fetches an instruction from program memory, decodes it, executes the operation, and stores the result in the appropriate memory location. This process continues until the program is complete or interrupted.

Detailed Application Field Plans

The PIC18LF25J10-I/ML microcontroller finds applications in various fields, including:

1. Home automation systems: Controlling lights, appliances, and security systems.
2. Industrial automation: Monitoring and controlling machinery and processes.
3. Automotive electronics: Engine control units, dashboard displays, and sensor interfaces.
4. Medical devices: Patient monitoring systems, infusion pumps, and diagnostic equipment.
5. Internet of Things (IoT): Building smart devices and connecting them to the internet for remote control and monitoring.

Alternative Models

If the PIC18LF25J10-I/ML does not meet specific requirements, alternative microcontrollers with similar features include:

1. PIC16F877A