PIC18F25J11T-I/ML

Product Overview

• Category: Microcontroller
• Use: Embedded systems, IoT devices, industrial automation
• Characteristics: Low power consumption, high performance, versatile
• Package: 28-pin QFN (Quad Flat No-Lead)
• Essence: A microcontroller designed for various applications requiring low power and high performance.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 32 KB
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• Number of I/O Pins: 25
• ADC Channels: 10
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage Range: 2.3V to 5.5V
• Temperature Range: -40°C to +125°C

Pin Configuration

The PIC18F25J11T-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. VSS - Ground
19. OSC1 - Oscillator input
20. OSC2 - 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 PIC18F25J11T-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 UART, SPI, and I2C, enabling seamless integration with other devices.
• Rich I/O capabilities: With 25 I/O pins and 10 ADC channels, the microcontroller provides ample flexibility for interfacing with external sensors and peripherals.

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 easy connectivity with other devices. - Ample I/O pins and ADC channels offer flexibility in system design.

Disadvantages: - Limited program memory size (32 KB) may restrict the complexity of applications. - Limited RAM size (2 KB) may impose constraints on data storage and manipulation.

Working Principles

The PIC18F25J11T-I/ML microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory, interacts with external devices through its I/O pins, and communicates with other devices using various communication interfaces. The microcontroller's working principles involve fetching instructions, decoding them, executing the corresponding operations, and updating the system state accordingly.

Application Field Plans

The PIC18F25J11T-I/ML microcontroller finds applications in various fields, including: - Embedded systems: It can be used in consumer electronics, home automation, and automotive systems. - IoT devices: Its low power consumption and versatile communication interfaces make it suitable for IoT applications. - Industrial automation: The microcontroller's high performance and rich I/O capabilities enable control and monitoring in industrial settings.

Alternative Models

• PIC18F24J11T-I/ML: Similar to PIC18F25J11T-I/ML but with 24 KB program memory.
• PIC18F26J11T-I/ML: Similar to PIC18F25J11T-I/ML but with 64 KB program memory.
• PIC18F27J11T-I/ML: Similar to PIC18F25J11T-I/ML but with 128 KB program memory.

These alternative models offer different program memory sizes to