PIC18F2458-I/SP

Introduction

The PIC18F2458-I/SP is a microcontroller belonging to the PIC18 family of microcontrollers produced by Microchip Technology. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Microcontroller
• Use: Embedded control applications
• Characteristics: Low power consumption, high performance, versatile I/O capabilities
• Package: 28-pin DIP (Dual Inline Package)
• Essence: High-performance embedded control
• Packaging/Quantity: Tray / 25 units per tray

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 16 KB
• RAM Size: 768 bytes
• Data EEPROM Size: 256 bytes
• I/O Pins: 25
• Timers: 4
• Analog-to-Digital Converter (ADC): 10-bit, 13 channels
• Communication Interfaces: USART, SPI, I2C
• Operating Voltage: 2.0V - 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The PIC18F2458-I/SP features a 28-pin DIP package with the following pin configuration: 1. VDD (Power supply) 2. RA0/AN0/C1IN0-/CVREF (Analog input/output) 3. RA1/AN1/C2IN1-/VREF- (Analog input/output) 4. RA2/AN2/VREF+/CVREF (Analog input/output) 5. RA3/AN3/VREF-/C1IN+ (Analog input/output) 6. RA4/T0CKI/C1OUT/AN4 (Timer/Clock input) 7. RA5/AN5/SS/C2OUT (Analog input/output) 8. RE0/RD/AN6 (Analog input/output) 9. RE1/WR/AN7 (Analog input/output) 10. RE2/CS/AN8 (Analog input/output) 11. VSS (Ground) 12. MCLR/VPP (Master Clear/Voltage Programming) 13. RB0/INT0 (Interrupt input) 14. RB1/INT1 (Interrupt input) 15. RB2/SDI/SDA (Serial Data Input/I2C Data) 16. RB3/SDO (Serial Data Output) 17. RB4/SCK/SCL (Serial Clock) 18. RB5/PGM (Programming voltage) 19. RB6/PGC (Programming clock) 20. RB7/PGD (Programming data) 21. VDD (Power supply) 22. RC0/T1OSO/T13CKI (Timer output) 23. RC1/T1OSI/CCP2 (Timer input) 24. RC2/CCP1 (Capture/Compare/PWM) 25. RC3/SCK/SCL (Serial Clock)

Functional Features

• High-Performance CPU: The PIC18F2458-I/SP operates at speeds of up to 40 MHz, enabling rapid execution of instructions.
• Versatile I/O Capabilities: With 25 I/O pins and multiple communication interfaces, the microcontroller offers flexibility in interfacing with external devices.
• Low Power Consumption: The microcontroller is designed for low power operation, making it suitable for battery-powered applications.
• Integrated Analog-to-Digital Converter: The 10-bit ADC with 13 channels allows for precise analog signal acquisition.

Advantages and Disadvantages

Advantages

• High performance
• Versatile I/O capabilities
• Low power consumption
• Integrated analog-to-digital converter

Disadvantages

• Limited program memory size (16 KB)
• Limited RAM size (768 bytes)

Working Principles

The PIC18F2458-I/SP operates based on the Harvard architecture, featuring separate program and data memory spaces. It executes instructions fetched from program memory and interacts with peripherals and external devices through its I/O pins and communication interfaces. The microcontroller's internal architecture enables efficient processing of tasks while minimizing power consumption.

Detailed Application Field Plans

The PIC18F2458-I/SP is well-suited for various embedded control applications, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home automation

Detailed and Complete Alternative Models

Some alternative models to the PIC18F2458-I/SP include: - PIC18