PIC18LF45K22T-I/PT

Product Overview

Category

The PIC18LF45K22T-I/PT belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and embedded systems for controlling and processing data.

Characteristics

• High-performance 8-bit architecture
• Low power consumption
• Enhanced flash memory technology
• Integrated peripherals for versatile applications
• Wide operating voltage range
• Robust communication interfaces

Package

The PIC18LF45K22T-I/PT is available in a 44-pin TQFP (Thin Quad Flat Pack) package.

Essence

The essence of this microcontroller lies in its ability to provide efficient control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC18LF45K22T-I/PT is typically packaged in reels, with each reel containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Architecture: 8-bit
• Flash Memory: 32 KB
• RAM: 2 KB
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Clock Frequency: 64 MHz
• Number of I/O Pins: 36
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, 13 channels
• Timers: 3 x 8-bit, 1 x 16-bit
• PWM (Pulse Width Modulation) Modules: 2
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC18LF45K22T-I/PT microcontroller has a total of 44 pins. Here is a detailed pin configuration:

• Pin 1: VDD - Power supply voltage
• Pin 2: VSS - Ground
• Pin 3: RA0/AN0 - Analog input or digital I/O
• Pin 4: RA1/AN1 - Analog input or digital I/O
• Pin 5: RA2/AN2 - Analog input or digital I/O
• Pin 6: RA3/AN3/VREF-/CVREF - Analog input or digital I/O
• Pin 7: RA4/T0CKI/C1OUT - Digital I/O or Timer0 clock input or Comparator output
• Pin 8: RA5/AN4/SS/HLVDIN - Analog input or digital I/O or Slave select for SPI or High/Low Voltage Detect input
• Pin 9: RE0/AN5/RD/PPS0 - Analog input or digital I/O or Read strobe for external memory or Peripheral Pin Select
• Pin 10: RE1/AN6/WR/PPS1 - Analog input or digital I/O or Write strobe for external memory or Peripheral Pin Select
• ...

Functional Features

The PIC18LF45K22T-I/PT microcontroller offers several functional features that enhance its usability and performance. Some of the key features include:

• Enhanced Flash Memory: The integrated flash memory allows for easy reprogramming of the microcontroller, enabling firmware updates and flexibility in application development.
• Integrated Peripherals: The microcontroller includes various peripherals such as UART, SPI, and I2C interfaces, which facilitate communication with other devices and enable seamless integration into complex systems.
• Analog-to-Digital Converter (ADC): The built-in ADC enables the microcontroller to convert analog signals into digital data, making it suitable for applications requiring sensor interfacing or analog measurements.
• Timers and PWM Modules: The presence of timers and PWM modules allows precise timing control and generation of analog-like signals, expanding the range of applications that can be implemented.
• Low Power Consumption: The microcontroller is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices and energy-conscious applications.

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient data processing.
• Enhanced flash memory technology allows for easy firmware updates.
• Integrated peripherals provide versatility in application development.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range enhances compatibility with various power sources.

Disadvantages

• Limited processing capabilities compared to higher bit architectures.
• Smaller memory capacity may restrict the complexity of applications.
• Limited number of I/O pins may pose constraints in larger-scale projects.

Working Principles

The PIC18LF45K22T-I/PT microcontroller operates based on the principles of digital logic and sequential execution. It follows a fetch-decode-execute cycle, where instructions are fetched from memory, decoded, and executed sequentially. The microcontroller interacts with external devices through its I/O pins and communication interfaces, enabling data exchange and control signals.

Detailed Application Field Plans

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