PIC18LF4458T-I/PT

Product Overview

Category

The PIC18LF4458T-I/PT belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit architecture
• Flash memory for program storage
• Integrated peripherals for versatile functionality
• Low power consumption
• Wide operating voltage range
• Robust communication interfaces

Package

The PIC18LF4458T-I/PT is available in a small form factor package, making it suitable for space-constrained designs. It comes in a TQFP package.

Essence

The essence of the PIC18LF4458T-I/PT lies in its ability to provide efficient and reliable control and processing capabilities in a compact package.

Packaging/Quantity

This microcontroller is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Microcontroller Family: PIC18
• Core Size: 8-bit
• Program Memory Size: 32KB (Flash)
• RAM Size: 2KB
• Number of I/O Pins: 35
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 40 MHz
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3 x 8-bit, 1 x 16-bit
• Analog-to-Digital Converter (ADC): 10-bit, 13 channels

Detailed Pin Configuration

The PIC18LF4458T-I/PT 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 - General-purpose I/O pin
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 PIC18LF4458T-I/PT offers a range of functional features that enhance its usability and performance:

• Flash memory for program storage and easy reprogramming
• Integrated peripherals such as UART, SPI, and I2C for communication purposes
• Timers/counters for precise timing and event counting
• Analog-to-digital converter (ADC) for analog signal acquisition
• Low power consumption modes for energy-efficient operation
• Enhanced security features to protect sensitive data

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient processing
• Versatile integrated peripherals enhance functionality
• Low power consumption extends battery life in portable applications
• Wide operating voltage range allows for flexibility in power supply options

Disadvantages

• Limited program memory size compared to higher-end microcontrollers
• Relatively fewer I/O pins restricts the number of external devices that can be connected directly

Working Principles

The PIC18LF4458T-I/PT operates based on the principles of a typical microcontroller. It executes instructions stored in its flash memory, interacts with external devices through its I/O pins, and utilizes its integrated peripherals to perform various tasks. The microcontroller's core processes data and controls the flow of information within