PIC18LF4685-I/ML

Product Overview

Category

The PIC18LF4685-I/ML 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
• Flash memory for program storage
• Low power consumption
• Wide operating voltage range
• Multiple communication interfaces (UART, SPI, I2C)
• Analog-to-digital converter (ADC)
• Timers and PWM modules
• Interrupt handling capability

Package

The PIC18LF4685-I/ML is available in a small form factor package known as QFN (Quad Flat No-Lead). This package offers a compact size and allows for easy integration into space-constrained designs.

Essence

The essence of the PIC18LF4685-I/ML lies in its ability to provide a powerful and versatile microcontroller solution for a wide range of applications. It combines high performance, low power consumption, and various integrated peripherals, making it suitable for diverse electronic projects.

Packaging/Quantity

The PIC18LF4685-I/ML is typically sold in reels or trays, with each reel containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Microcontroller Family: PIC18
• Architecture: 8-bit
• Program Memory Size: 32 KB
• RAM Size: 1.5 KB
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 40 MHz
• Number of I/O Pins: 44
• ADC Resolution: 10-bit
• Communication Interfaces: UART, SPI, I2C
• Timers: 3 x 8-bit, 1 x 16-bit
• PWM Modules: 2
• Package Type: QFN

Detailed Pin Configuration

The PIC18LF4685-I/ML has a total of 44 I/O pins, each serving a specific purpose. The pin configuration is as follows:

(Pin Number) - (Pin Name) 1 - RA0 2 - RA1 3 - RA2 4 - RA3 5 - RA4 6 - RA5 7 - RE0 8 - RE1 9 - RE2 10 - RE3 11 - RE4 12 - RE5 13 - RE6 14 - RE7 15 - RB0 16 - RB1 17 - RB2 18 - RB3 19 - RB4 20 - RB5 21 - RB6 22 - RB7 23 - RC0 24 - RC1 25 - RC2 26 - RC3 27 - RC4 28 - RC5 29 - RC6 30 - RC7 31 - RD0 32 - RD1 33 - RD2 34 - RD3 35 - RD4 36 - RD5 37 - RD6 38 - RD7 39 - VSS 40 - VDD 41 - OSC1 42 - OSC2 43 - MCLR/VPP 44 - NC

Functional Features

The PIC18LF4685-I/ML offers several functional features that enhance its capabilities and usability:

1. Flash Memory: Allows for easy reprogramming of the microcontroller's firmware.
2. Analog-to-Digital Converter (ADC): Enables the measurement of analog signals with high precision.
3. Communication Interfaces: UART, SPI, and I2C interfaces facilitate data exchange with other devices.
4. Timers and PWM Modules: Provide precise timing control and support pulse-width modulation for various applications.
5. Interrupt Handling: Allows the microcontroller to respond to external events promptly.

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient processing of data.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range allows for flexibility in different power supply scenarios.
• Multiple communication interfaces provide compatibility with various peripherals.
• Integrated analog-to-digital converter simplifies sensor interfacing.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• The number of I/O pins may be insufficient for certain projects requiring extensive connectivity.
• Lack of built-in Ethernet or Wi-Fi connectivity limits direct internet connectivity options.

Working Principles

The PIC18LF4685-I/ML operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with external devices through various interfaces, and performs tasks according to the programmed logic. The microcontroller's central processing unit (CPU) coordinates all operations, including data processing, input/output handling, and interrupt management.

Detailed Application Field Plans

The PIC18LF4685-I/ML finds application in various fields,