PIC18LF2685-I/SO

Product Overview

Category

The PIC18LF2685-I/SO 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 architecture
• Flash memory for program storage
• Integrated peripherals for enhanced functionality
• Low power consumption
• Wide operating voltage range

Package

The PIC18LF2685-I/SO is available in a small outline (SO) package, which allows for easy integration into compact electronic devices.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic applications.

Packaging/Quantity

The PIC18LF2685-I/SO is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Architecture: 8-bit
• Program Memory Size: 64 KB
• RAM Size: 3.8 KB
• Number of I/O Pins: 36
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 40 MHz
• Data EEPROM Size: 256 bytes
• ADC Resolution: 10-bit
• Timers: 4
• Communication Interfaces: UART, SPI, I2C

Detailed Pin Configuration

The PIC18LF2685-I/SO microcontroller has a total of 36 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 - General-purpose I/O pin
7. RA5 - General-purpose I/O pin
8. VSS - Ground
9. RB0 - General-purpose I/O pin
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 - General-purpose I/O pin
16. RB7 - General-purpose I/O pin
17. RB8 - General-purpose I/O pin
18. RB9 - General-purpose I/O pin
19. RB10 - General-purpose I/O pin
20. RB11 - General-purpose I/O pin
21. RB12 - General-purpose I/O pin
22. RB13 - General-purpose I/O pin
23. RB14 - General-purpose I/O pin
24. RB15 - General-purpose I/O pin
25. VCAP - Capacitor connection for internal voltage regulator
26. VUSB - USB power supply
27. AVDD - Analog power supply
28. AN0 - Analog input channel 0
29. AN1 - Analog input channel 1
30. AN2 - Analog input channel 2
31. AN3 - Analog input channel 3
32. AN4 - Analog input channel 4
33. AN5 - Analog input channel 5
34. AN6 - Analog input channel 6
35. AN7 - Analog input channel 7
36. VREF- - Reference voltage input

Functional Features

The PIC18LF2685-I/SO microcontroller offers a range of functional features that enhance its performance and versatility. Some notable features include:

• High-speed processing capabilities
• Flash memory for program storage and easy reprogramming
• Integrated analog-to-digital converter (ADC) for precise analog signal measurement
• Multiple communication interfaces (UART, SPI, I2C) for seamless connectivity with other devices
• Timers for accurate timing and event management
• Low power consumption modes for energy-efficient operation

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient processing of complex tasks
• Flash memory allows for easy program updates and flexibility
• Integrated peripherals reduce the need for external components, saving space and cost
• Wide operating voltage range accommodates various power supply options
• Low power consumption extends battery life in portable applications

Disadvantages

• Limited program memory size compared to higher-end microcontrollers
• Relatively small RAM size may restrict the complexity of applications
• Limited number of I/O pins may limit the number of connected devices or sensors

Working Principles

The PIC18LF2685-I/SO microcontroller operates based on the principles of digital logic and embedded control. It executes instructions stored in its program memory to perform specific tasks. The integrated peripherals and communication interfaces enable interaction with external devices and facilitate data exchange.

Detailed Application