PIC18F4455-I/ML

Product Overview

Category

The PIC18F4455-I/ML 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 program memory
• USB 2.0 interface
• Multiple communication interfaces (UART, SPI, I2C)
• Analog-to-Digital Converter (ADC)
• Timers and PWM modules
• Low power consumption

Package

The PIC18F4455-I/ML is available in a small form factor package known as QFN (Quad Flat No-Lead). This package offers a compact size and allows for easy integration into space-constrained designs.

Essence

The essence of the PIC18F4455-I/ML lies in its ability to provide a versatile and powerful microcontroller solution for a wide range of applications.

Packaging/Quantity

The PIC18F4455-I/ML is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Microcontroller Family: PIC18F
• Core Size: 8-bit
• Program Memory Size: 32KB
• RAM Size: 2KB
• Number of I/O Pins: 34
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Clock Frequency: 48MHz
• Number of Timers: 4
• Number of ADC Channels: 13
• USB Speed: Full-Speed (12 Mbps)

Detailed Pin Configuration

The PIC18F4455-I/ML features a total of 34 I/O pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. RA0 - Analog or Digital I/O
4. RA1 - Analog or Digital I/O
5. RA2 - Analog or Digital I/O
6. RA3 - Analog or Digital I/O
7. RA4 - Analog or Digital I/O
8. RA5 - Analog or Digital I/O
9. RE0 - Analog or Digital I/O
10. RE1 - Analog or Digital I/O
11. RE2 - Analog or Digital I/O
12. RE3 - Analog or Digital I/O
13. RE4 - Analog or Digital I/O
14. RE5 - Analog or Digital I/O
15. RE6 - Analog or Digital I/O
16. RE7 - Analog or Digital I/O
17. RB0 - Analog or Digital I/O
18. RB1 - Analog or Digital I/O
19. RB2 - Analog or Digital I/O
20. RB3 - Analog or Digital I/O
21. RB4 - Analog or Digital I/O
22. RB5 - Analog or Digital I/O
23. RB6 - Analog or Digital I/O
24. RB7 - Analog or Digital I/O
25. RB8 - Analog or Digital I/O
26. RB9 - Analog or Digital I/O
27. RB10 - Analog or Digital I/O
28. RB11 - Analog or Digital I/O
29. RB12 - Analog or Digital I/O
30. RB13 - Analog or Digital I/O
31. RB14 - Analog or Digital I/O
32. RB15 - Analog or Digital I/O
33. VUSB - USB power supply
34. VREGO - Regulated output voltage

Functional Features

The PIC18F4455-I/ML offers a range of functional features that enhance its usability and performance. Some of the key features include:

• USB 2.0 interface for easy connectivity with other devices
• Multiple communication interfaces (UART, SPI, I2C) for seamless data transfer
• Analog-to-Digital Converter (ADC) for precise analog signal measurement
• Timers and PWM modules for accurate timing and control
• Flash program memory for storing and executing code
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• Versatile and powerful microcontroller solution
• USB interface simplifies connectivity
• Wide range of communication interfaces available
• Ample program memory and RAM for complex applications
• Low power consumption extends battery life

Disadvantages

• Limited number of I/O pins may restrict the number of peripherals that can be connected simultaneously
• 8-bit architecture may not be suitable for certain high-performance applications

Working Principles

The PIC18F4455-I/ML operates based on the principles of microcontroller architecture. It executes instructions stored in its program memory to perform various tasks. The microcontroller interacts with external devices through its I/O pins