Microchip Technology
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PIC18F4458-I/ML
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PIC18F4458-I/ML

Product Overview

Category

The PIC18F4458-I/ML 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 program memory
  • Low power consumption
  • Wide operating voltage range
  • Integrated peripherals for enhanced functionality

Package

The PIC18F4458-I/ML is available in a small form factor package, known as a Micro Leadframe (ML) package. This package offers compactness and ease of integration into electronic systems.

Essence

The essence of the PIC18F4458-I/ML lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of applications.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Architecture: 8-bit
  • Program Memory Size: 32KB
  • RAM Size: 1536 bytes
  • Number of I/O Pins: 35
  • Operating Voltage Range: 2.0V to 5.5V
  • Maximum Speed: 40 MHz
  • Communication Interfaces: UART, SPI, I2C
  • Analog-to-Digital Converter (ADC): 10-bit, 13 channels
  • Timers/Counters: 4 x 8-bit, 1 x 16-bit

Detailed Pin Configuration

The PIC18F4458-I/ML has a total of 35 I/O pins, each serving a specific purpose. The pin configuration is as follows:

  • Pin 1: VDD - Power supply voltage
  • Pin 2: RA0/AN0 - Analog input or digital I/O
  • Pin 3: RA1/AN1 - Analog input or digital I/O
  • Pin 4: RA2/AN2 - Analog input or digital I/O
  • ...
  • Pin 35: RB7/PGD - Programming/Data pin

Functional Features

The PIC18F4458-I/ML offers a range of functional features that enhance its capabilities. Some notable features include:

  • Enhanced Flash program memory for easy firmware updates
  • Integrated peripherals such as UART, SPI, and I2C for communication purposes
  • Analog-to-Digital Converter (ADC) for precise analog signal measurements
  • Timers/Counters for accurate timing and event counting
  • Low power consumption modes for energy-efficient operation

Advantages and Disadvantages

Advantages

  • High-performance architecture enables efficient processing
  • Wide operating voltage range allows flexibility in power supply options
  • Integrated peripherals simplify system design and reduce external component count
  • Compact ML package facilitates space-constrained applications

Disadvantages

  • Limited program memory size compared to some other microcontrollers
  • Relatively low number of I/O pins may restrict the complexity of certain applications

Working Principles

The PIC18F4458-I/ML operates based on the principles of embedded control and processing. It executes instructions stored in its program memory to perform various tasks, such as data manipulation, communication, and interfacing with external devices. The microcontroller interacts with its surroundings through its I/O pins, enabling it to receive inputs and provide outputs accordingly.

Detailed Application Field Plans

The PIC18F4458-I/ML finds application in a wide range of fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home automation

In industrial automation, this microcontroller can be used for controlling machinery, monitoring sensors, and managing data acquisition. In consumer electronics, it can be employed in devices such as smart home controllers, remote controls, and gaming peripherals. Automotive systems can benefit from the PIC18F4458-I/ML in areas like engine control units, dashboard displays, and advanced driver assistance systems. Medical devices that require precise control and data processing, such as patient monitors and infusion pumps, can also utilize this microcontroller. Lastly, in home automation, it can be used for controlling lighting, HVAC systems, and security systems.

Detailed and Complete Alternative Models

  • PIC18F4550-I/P
  • PIC18F4520-I/P
  • PIC18F4620-I/P
  • PIC18F4680-I/P
  • PIC18F458-I/P

These alternative models offer similar functionalities and are compatible with the same development tools and software as the PIC18F4458-I/ML. They provide options for different memory sizes, I/O pin counts, and package types to suit specific application requirements.

In conclusion, the PIC18F4458-I/ML is a versatile microcontroller that offers high-performance embedded control and processing capabilities. Its compact size, integrated peripherals, and wide operating voltage range make it suitable

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PIC18F4458-I/ML en soluciones técnicas

  1. What is the maximum operating frequency of PIC18F4458-I/ML?
    - The maximum operating frequency of PIC18F4458-I/ML is 40 MHz.

  2. What are the key features of PIC18F4458-I/ML?
    - Some key features of PIC18F4458-I/ML include 32KB flash memory, 256 bytes of EEPROM data memory, and 1.5 KB of SRAM.

  3. Can PIC18F4458-I/ML be used for motor control applications?
    - Yes, PIC18F4458-I/ML can be used for motor control applications with its integrated PWM modules and analog-to-digital converters.

  4. Is PIC18F4458-I/ML suitable for battery-powered devices?
    - Yes, PIC18F4458-I/ML is suitable for battery-powered devices due to its low power consumption and sleep modes.

  5. What development tools are available for programming PIC18F4458-I/ML?
    - Development tools such as MPLAB X IDE and PICkit programmers are commonly used for programming PIC18F4458-I/ML.

  6. Can PIC18F4458-I/ML communicate with other devices using serial communication protocols?
    - Yes, PIC18F4458-I/ML supports various serial communication protocols including UART, SPI, and I2C.

  7. Are there any application notes or reference designs available for PIC18F4458-I/ML?
    - Yes, Microchip provides application notes and reference designs for implementing PIC18F4458-I/ML in various technical solutions.

  8. What are the available package options for PIC18F4458-I/ML?
    - PIC18F4458-I/ML is available in a 44-pin QFN package and a 44-pin TQFP package.

  9. Can PIC18F4458-I/ML be used in temperature sensing applications?
    - Yes, PIC18F4458-I/ML can be used in temperature sensing applications with external temperature sensors connected to its analog inputs.

  10. Is there a community or forum for discussing PIC18F4458-I/ML applications and troubleshooting?
    - Yes, there are online communities and forums where engineers and developers discuss PIC18F4458-I/ML applications, share experiences, and troubleshoot issues.