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PIC18F442-E/P
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PIC18F442-E/P

Product Overview

Category

The PIC18F442-E/P belongs to the category of microcontrollers.

Use

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

Characteristics

  • High-performance 8-bit microcontroller
  • Offers a wide range of features and peripherals
  • Low power consumption
  • Enhanced Flash program memory
  • Ample RAM for data storage
  • Multiple communication interfaces
  • Flexible I/O options

Package

The PIC18F442-E/P is available in a 40-pin PDIP (Plastic Dual Inline Package) format.

Essence

This microcontroller is designed to provide efficient and reliable control and processing capabilities for electronic systems.

Packaging/Quantity

The PIC18F442-E/P is typically sold in reels or tubes, with each containing a quantity of 25 units.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 40 MHz
  • Program Memory Size: 16 KB
  • RAM Size: 768 bytes
  • Data EEPROM Size: 256 bytes
  • Number of I/O Pins: 33
  • ADC Resolution: 10-bit
  • Communication Interfaces: UART, SPI, I2C
  • Operating Voltage Range: 2.0V to 5.5V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18F442-E/P has a total of 40 pins, each serving a specific purpose. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. RA0 - General-purpose I/O pin
  3. RA1 - General-purpose I/O pin
  4. RA2 - General-purpose I/O pin
  5. RA3 - General-purpose I/O pin
  6. RA4 - General-purpose I/O pin
  7. RA5 - General-purpose I/O pin
  8. VSS - Ground
  9. OSC1/CLKIN - Oscillator input
  10. OSC2/CLKOUT - Oscillator output
  11. RC0 - General-purpose I/O pin
  12. RC1 - General-purpose I/O pin
  13. RC2 - General-purpose I/O pin
  14. RC3 - General-purpose I/O pin
  15. RC4 - General-purpose I/O pin
  16. RC5 - General-purpose I/O pin
  17. RB0/INT - General-purpose I/O pin / External interrupt input
  18. RB1 - General-purpose I/O pin
  19. RB2 - General-purpose I/O pin
  20. RB3 - General-purpose I/O pin
  21. RB4 - General-purpose I/O pin
  22. RB5 - General-purpose I/O pin
  23. RB6 - General-purpose I/O pin
  24. RB7 - General-purpose I/O pin
  25. RB8 - General-purpose I/O pin
  26. RB9 - General-purpose I/O pin
  27. RB10 - General-purpose I/O pin
  28. RB11 - General-purpose I/O pin
  29. RB12 - General-purpose I/O pin
  30. RB13 - General-purpose I/O pin
  31. RB14 - General-purpose I/O pin
  32. RB15 - General-purpose I/O pin
  33. VCAP - Capacitor connection for internal voltage regulator
  34. VSS - Ground
  35. VDD - Power supply voltage
  36. RE0 - General-purpose I/O pin
  37. RE1 - General-purpose I/O pin
  38. RE2 - General-purpose I/O pin
  39. MCLR/VPP - Master Clear (Reset) input / Programming voltage supply
  40. VSS - Ground

Functional Features

The PIC18F442-E/P offers a range of functional features that enhance its usability and performance. Some notable features include:

  • Enhanced Flash program memory for storing the application code
  • Ample RAM for data storage and manipulation
  • Multiple communication interfaces (UART, SPI, I2C) for seamless connectivity with other devices
  • Timers and PWM modules for precise timing control
  • Analog-to-Digital Converter (ADC) for analog signal processing
  • Interrupt capability for handling real-time events
  • Low-power modes to conserve energy

Advantages and Disadvantages

Advantages

  • High-performance microcontroller suitable for various applications
  • Wide range of features and peripherals for enhanced functionality
  • Low power consumption for energy-efficient designs
  • Ample program memory and RAM for versatile programming
  • Multiple communication interfaces for easy integration with other devices

Disadvantages

  • Limited program memory size compared to some other microcontrollers
  • Relatively small amount of RAM for complex applications
  • Availability of alternative models with more advanced features

Working Principles

The PIC18F442-E/P operates based on the Harvard architecture, which separates program and data memory. It

技術ソリューションにおける PIC18F442-E/P の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the maximum operating frequency of PIC18F442-E/P?
    - The maximum operating frequency of PIC18F442-E/P is 40 MHz.

  2. How many I/O pins does PIC18F442-E/P have?
    - PIC18F442-E/P has 33 I/O pins.

  3. What are the communication interfaces supported by PIC18F442-E/P?
    - PIC18F442-E/P supports SPI, I2C, and UART communication interfaces.

  4. Can PIC18F442-E/P be used for motor control applications?
    - Yes, PIC18F442-E/P can be used for motor control applications with its PWM and timer modules.

  5. What is the flash memory size of PIC18F442-E/P?
    - PIC18F442-E/P has 16 KB of flash memory.

  6. Does PIC18F442-E/P have analog-to-digital conversion (ADC) capability?
    - Yes, PIC18F442-E/P has 10-bit ADC with up to 13 channels.

  7. Is PIC18F442-E/P suitable for battery-powered applications?
    - Yes, PIC18F442-E/P is suitable for battery-powered applications due to its low power consumption features.

  8. Can PIC18F442-E/P be programmed using C language?
    - Yes, PIC18F442-E/P can be programmed using C language with the MPLAB XC8 compiler.

  9. What development tools are available for PIC18F442-E/P?
    - Development tools such as MPLAB X IDE and PICkit programmers are available for PIC18F442-E/P.

  10. Is PIC18F442-E/P suitable for industrial control systems?
    - Yes, PIC18F442-E/P is suitable for industrial control systems with its robust features and communication capabilities.