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.