PIC18LF45K40T-I/MV

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, control applications
• Characteristics:
  • High-performance 8-bit microcontroller
  • Low power consumption
  • Large memory capacity
  • Enhanced peripherals
• Package: 28-pin QFN
• Essence: Advanced microcontroller for various applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 64 MHz
• Program Memory Size: 32 KB Flash
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• Operating Voltage Range: 1.8V to 5.5V
• Number of I/O Pins: 25
• Timers: 4 x 8-bit, 1 x 16-bit
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 13 channels
• Comparators: 2
• PWM: 2
• Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC18LF45K40T-I/MV microcontroller has a total of 28 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply (3.3V) | | 2 | RA0 | General Purpose I/O | | 3 | RA1 | General Purpose I/O | | 4 | RA2 | General Purpose I/O | | 5 | RA3 | General Purpose I/O | | 6 | RA4 | General Purpose I/O | | 7 | RA5 | General Purpose I/O | | 8 | VSS | Ground | | 9 | RB0 | General Purpose I/O | | 10 | RB1 | General Purpose I/O | | 11 | RB2 | General Purpose I/O | | 12 | RB3 | General Purpose I/O | | 13 | RB4 | General Purpose I/O | | 14 | RB5 | General Purpose I/O | | 15 | RB6 | General Purpose I/O | | 16 | RB7 | General Purpose I/O | | 17 | RC0 | General Purpose I/O | | 18 | RC1 | General Purpose I/O | | 19 | RC2 | General Purpose I/O | | 20 | RC3 | General Purpose I/O | | 21 | RC4 | General Purpose I/O | | 22 | RC5 | General Purpose I/O | | 23 | RC6 | General Purpose I/O | | 24 | RC7 | General Purpose I/O | | 25 | OSC1 | Oscillator Input | | 26 | OSC2 | Oscillator Output | | 27 | MCLR | Master Clear (Reset) | | 28 | VDD | Power Supply (5V) |

Functional Features

• High-performance 8-bit microcontroller suitable for various applications
• Low power consumption for extended battery life
• Large memory capacity allows for complex program storage
• Enhanced peripherals provide flexibility and functionality
• Multiple communication interfaces enable easy integration with other devices
• Analog-to-Digital Converter (ADC) for precise analog measurements
• Comparators for signal comparison and decision-making
• Pulse Width Modulation (PWM) for precise control of analog outputs

Advantages and Disadvantages

Advantages

• High-performance capabilities
• Low power consumption
• Ample memory capacity
• Enhanced peripherals for added functionality
• Wide operating voltage range
• Multiple communication interfaces

Disadvantages

• Limited number of I/O pins compared to some other microcontrollers
• Higher cost compared to lower-end microcontrollers

Working Principles

The PIC18LF45K40T-I/MV microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory, which is a non-volatile Flash memory. The CPU fetches instructions from the program memory, performs the necessary operations, and stores results in registers or memory locations.

The microcontroller interacts with external devices through its I/O pins, which can be configured as inputs or outputs. It communicates with other devices using UART, SPI, or I2C interfaces. The built-in ADC allows for accurate analog-to-digital conversions, while comparators enable signal comparison.

Detailed Application Field Plans

The PIC18LF45K40T-I/MV microcontroller finds applications