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PIC18LF458-I/L
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PIC18LF458-I/L

Product Overview

Category

The PIC18LF458-I/L belongs to the category of microcontrollers.

Use

This microcontroller is widely used in various electronic devices and systems for controlling and processing data.

Characteristics

  • High-performance 8-bit architecture
  • Low power consumption
  • Enhanced flash memory technology
  • Integrated peripherals for versatile applications
  • Wide operating voltage range
  • Robust communication interfaces

Package

The PIC18LF458-I/L is available in a compact and durable package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of the PIC18LF458-I/L lies in its ability to provide efficient and reliable control and processing capabilities in embedded systems.

Packaging/Quantity

The PIC18LF458-I/L is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Microcontroller Family: PIC18
  • Architecture: 8-bit
  • Flash Memory: 32 KB
  • RAM: 1.5 KB
  • Operating Voltage Range: 2.0V to 5.5V
  • Maximum Clock Frequency: 40 MHz
  • Number of I/O Pins: 35
  • Communication Interfaces: UART, SPI, I2C
  • Timers/Counters: 3
  • Analog-to-Digital Converter (ADC): 10-bit, 8 channels

Detailed Pin Configuration

The PIC18LF458-I/L has a total of 35 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. VUSB - USB power supply
  35. VDDCORE - Core voltage supply

Functional Features

The PIC18LF458-I/L offers a range of functional features that enhance its versatility and performance in various applications:

  • Enhanced flash memory technology allows for easy program updates and flexibility.
  • Integrated peripherals, such as UART, SPI, and I2C, enable seamless communication with other devices.
  • Timers/counters facilitate precise timing and event management.
  • The 10-bit ADC enables accurate analog-to-digital conversion for sensor interfacing.
  • Low power consumption ensures efficient operation in battery-powered applications.

Advantages and Disadvantages

Advantages

  • High-performance architecture for efficient data processing.
  • Wide operating voltage range allows for compatibility with different power sources.
  • Robust communication interfaces enable seamless integration with other devices.
  • Compact package size suitable for space-constrained designs.
  • Enhanced flash memory technology simplifies program updates.

Disadvantages

  • Limited RAM capacity may restrict the complexity of applications.
  • Lack of built-in Ethernet or Wi-Fi connectivity options may require additional components for network communication.

Working Principles

The PIC18LF458-I/L operates based on the principles of microcontroller architecture. It executes instructions stored in its flash memory, processes data from various sources, and controls connected peripherals to perform desired tasks. The microcontroller's central processing unit (CPU) fetches instructions, decodes them, and executes the corresponding operations. Input/output pins facilitate communication with external devices, enabling data exchange and control signals.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PIC18LF458-I/L en soluciones técnicas

  1. Question: What is the maximum operating frequency of PIC18LF458-I/L?
    Answer: The maximum operating frequency of PIC18LF458-I/L is 40 MHz.

  2. Question: What are the key features of PIC18LF458-I/L?
    Answer: PIC18LF458-I/L features 32 KB Flash program memory, 1536 bytes of data EEPROM, and 256 bytes of RAM.

  3. Question: Can PIC18LF458-I/L be used in battery-powered applications?
    Answer: Yes, PIC18LF458-I/L is suitable for battery-powered applications due to its low power consumption features.

  4. Question: What communication interfaces are supported by PIC18LF458-I/L?
    Answer: PIC18LF458-I/L supports SPI, I2C, and USART communication interfaces.

  5. Question: Is PIC18LF458-I/L suitable for industrial control applications?
    Answer: Yes, PIC18LF458-I/L is well-suited for industrial control applications due to its robust design and peripheral support.

  6. Question: What development tools are available for programming PIC18LF458-I/L?
    Answer: Development tools such as MPLAB X IDE and PICkit programmers can be used for programming PIC18LF458-I/L.

  7. Question: Can PIC18LF458-I/L operate in harsh environmental conditions?
    Answer: Yes, PIC18LF458-I/L is designed to operate in a wide temperature range and is suitable for harsh environmental conditions.

  8. Question: Does PIC18LF458-I/L have built-in security features?
    Answer: Yes, PIC18LF458-I/L offers various security features such as code protection and write protection for enhanced security.

  9. Question: What are the available package options for PIC18LF458-I/L?
    Answer: PIC18LF458-I/L is available in various package options including PDIP, QFN, and TQFP.

  10. Question: Can PIC18LF458-I/L be used in automotive applications?
    Answer: Yes, PIC18LF458-I/L is suitable for automotive applications due to its robustness and extended temperature range support.