PIC18LF2680T-I/SO

Product Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics:
  • High-performance 8-bit microcontroller
  • Low power consumption
  • Large program memory and data memory
  • Wide range of peripherals
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The PIC18LF2680T-I/SO is a versatile microcontroller designed for various embedded control applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 64 KB
• RAM Size: 3.8 KB
• Data EEPROM Size: 256 bytes
• Number of I/O Pins: 35
• ADC Channels: 13
• Timers: 5
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage Range: 2.0V to 5.5V
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC18LF2680T-I/SO has a total of 35 I/O pins, which are assigned various functions based on the application requirements. The pin configuration is as follows:

1. RA0 - Analog Input / Digital I/O
2. RA1 - Analog Input / Digital I/O
3. RA2 - Analog Input / Digital I/O
4. RA3 - Analog Input / Digital I/O
5. RA4 - Analog Input / Digital I/O
6. RA5 - Analog Input / Digital I/O
7. RE0 - Digital I/O
8. RE1 - Digital I/O
9. RE2 - Digital I/O
10. RE3 - Digital I/O
11. RE4 - Digital I/O
12. RE5 - Digital I/O
13. RE6 - Digital I/O
14. RE7 - Digital I/O
15. RB0 - Digital I/O
16. RB1 - Digital I/O
17. RB2 - Digital I/O
18. RB3 - Digital I/O
19. RB4 - Digital I/O
20. RB5 - Digital I/O
21. RB6 - Digital I/O
22. RB7 - Digital I/O
23. RB8 - Digital I/O
24. RB9 - Digital I/O
25. RB10 - Digital I/O
26. RB11 - Digital I/O
27. RB12 - Digital I/O
28. RB13 - Digital I/O
29. RB14 - Digital I/O
30. RB15 - Digital I/O
31. VSS - Ground
32. VDD - Power Supply
33. OSC1/CLKI - Oscillator Input
34. OSC2/CLKO - Oscillator Output
35. MCLR/VPP - Master Clear / Programming Voltage

Functional Features

• High-performance CPU with efficient instruction set
• Enhanced Flash program memory for easy firmware updates
• Flexible and configurable peripherals for versatile applications
• Analog-to-Digital Converter (ADC) for precise analog measurements
• Timers and PWM modules for accurate timing and control
• Communication interfaces (UART, SPI, I2C) for data exchange
• Low power consumption modes for energy-efficient operation
• Built-in security features to protect against unauthorized access

Advantages and Disadvantages

Advantages: - High-performance microcontroller suitable for a wide range of applications - Large program memory and data memory for complex tasks - Versatile peripherals enable integration of various functions - Low power consumption extends battery life in portable devices - Enhanced security features protect sensitive data

Disadvantages: - Limited RAM size may restrict the complexity of applications - 8-bit architecture may not be suitable for certain demanding tasks - Availability of alternative models with more advanced features

Working Principles

The PIC18LF2680T-I/SO operates based on the Harvard architecture, where program memory and data memory are separate. It executes instructions fetched from the Flash program memory and manipulates data stored in the RAM. The CPU processes instructions sequentially, controlling the operation of peripherals and responding to external events.

The microcontroller can be programmed using various development tools and programming languages. Once programmed, it can perform specific tasks based on the firmware loaded into its program memory.

Detailed Application Field Plans

The PIC18LF2680T-I/SO finds applications in a wide range of fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home appliances - Internet of Things (IoT) devices

Its versatility and rich set of peripherals make it suitable for control applications, sensor interfacing, data acquisition, and communication tasks in