PIC18F458-I/P

Product Overview

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

High-performance 8-bit architecture
Flash-based program memory
Wide operating voltage range
Low power consumption
Enhanced peripheral integration

Package

The PIC18F458-I/P is available in a 40-pin PDIP (Plastic Dual Inline Package) format.

Essence

The essence of the PIC18F458-I/P lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic devices and systems.

Packaging/Quantity

The PIC18F458-I/P is typically packaged in tubes or trays, with quantities varying depending on the supplier and customer requirements.

Specifications

Microcontroller Family: PIC18F
CPU Speed: Up to 40 MHz
Program Memory Size: 32 KB
RAM Size: 1536 bytes
Number of I/O Pins: 36
ADC Channels: 13
UART Modules: 2
Timers: 4
Operating Voltage Range: 2.0V to 5.5V
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18F458-I/P has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

VDD - Power supply voltage
RA0 - General-purpose I/O pin
RA1 - General-purpose I/O pin
RA2 - General-purpose I/O pin
RA3 - General-purpose I/O pin
RA4 - General-purpose I/O pin
RA5 - General-purpose I/O pin
VSS - Ground
OSC1/CLKIN - Oscillator input
OSC2/CLKOUT - Oscillator output
RC0 - General-purpose I/O pin
RC1 - General-purpose I/O pin
RC2 - General-purpose I/O pin
RC3 - General-purpose I/O pin
RC4 - General-purpose I/O pin
RC5 - General-purpose I/O pin
RB0/INT - General-purpose I/O pin / External interrupt input
RB1 - General-purpose I/O pin
RB2 - General-purpose I/O pin
RB3 - General-purpose I/O pin
RB4 - General-purpose I/O pin
RB5 - General-purpose I/O pin
RB6 - General-purpose I/O pin
RB7 - General-purpose I/O pin
RB8 - General-purpose I/O pin
RB9 - General-purpose I/O pin
RB10 - General-purpose I/O pin
RB11 - General-purpose I/O pin
RB12 - General-purpose I/O pin
RB13 - General-purpose I/O pin
RB14 - General-purpose I/O pin
RB15 - General-purpose I/O pin
VCAP - Capacitor connection for internal voltage regulator
VUSB - USB power supply
AVDD - Analog power supply
AN0 - Analog input channel
AN1 - Analog input channel
AN2 - Analog input channel
AN3 - Analog input channel
AVSS - Analog ground

Functional Features

The PIC18F458-I/P offers a range of functional features that enhance its performance and versatility:

High-speed processing capabilities
Flash memory for program storage
Integrated analog-to-digital converters (ADC)
Multiple communication interfaces (UART, SPI, I2C)
Timers and PWM modules for precise timing control
Interrupt handling for efficient event-driven programming
Low-power modes for energy-efficient operation

Advantages and Disadvantages

Advantages

High-performance 8-bit architecture enables fast and efficient processing.
Flash-based program memory allows for easy reprogramming and updates.
Wide operating voltage range provides flexibility in various applications.
Enhanced peripheral integration reduces the need for external components.
Low power consumption extends battery life in portable devices.

Disadvantages

Limited program memory size compared to higher-end microcontrollers.
Relatively fewer I/O pins may restrict the number of connected peripherals.
Lack of advanced features found in more specialized microcontrollers.

Working Principles

The PIC18F458-I/P operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with external devices through its I/O pins, and utilizes its integrated peripherals to perform various tasks. The microcontroller

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PIC18F458-I/P v technických řešeních

What is the maximum operating frequency of PIC18F458-I/P?
- The maximum operating frequency of PIC18F458-I/P is 40 MHz.
What are the key features of PIC18F458-I/P?
- Some key features of PIC18F458-I/P include 32 KB flash memory, 1536 bytes of RAM, and 256 bytes of EEPROM.
Can PIC18F458-I/P be used for motor control applications?
- Yes, PIC18F458-I/P can be used for motor control applications due to its integrated PWM modules and analog-to-digital converters.
Is PIC18F458-I/P suitable for battery-powered devices?
- Yes, PIC18F458-I/P is suitable for battery-powered devices as it offers low power consumption modes and a wide operating voltage range.
What development tools are available for programming PIC18F458-I/P?
- Development tools such as MPLAB X IDE and PICkit programmers can be used for programming PIC18F458-I/P.
Can PIC18F458-I/P communicate with other devices using serial communication protocols?
- Yes, PIC18F458-I/P supports various serial communication protocols including UART, SPI, and I2C.
Are there any built-in security features in PIC18F458-I/P?
- Yes, PIC18F458-I/P offers features such as code protection and data EEPROM/flash memory write protection for enhanced security.
What are the available package options for PIC18F458-I/P?
- PIC18F458-I/P is available in PDIP, SOIC, and TQFP package options for flexibility in design.
Can PIC18F458-I/P be used in industrial automation applications?
- Yes, PIC18F458-I/P is suitable for industrial automation applications due to its robust peripherals and communication capabilities.
What are the recommended operating conditions for PIC18F458-I/P?
- The recommended operating voltage range for PIC18F458-I/P is 2.0V to 5.5V, and the temperature range is -40°C to 125°C.