PIC18LF4439-I/PT

Product Overview

Category

The PIC18LF4439-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 enhanced functionality
• Low power consumption
• Wide operating voltage range
• Robust communication interfaces
• Flexible I/O options

Package

The PIC18LF4439-I/PT is available in a small form factor package, known as TQFP (Thin Quad Flat Pack).

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities in a compact package.

Packaging/Quantity

The PIC18LF4439-I/PT is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Microcontroller Family: PIC18
• Core Architecture: 8-bit
• Program Memory Size: 16 KB
• RAM Size: 768 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Clock Frequency: 40 MHz
• Number of I/O Pins: 35
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC) Channels: 13
• Timers/Counters: 4
• PWM Outputs: 2
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18LF4439-I/PT microcontroller 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/clock input
10. OSC2/CLKOUT - Oscillator output/clock 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. RC6 - General-purpose I/O pin
18. RC7 - General-purpose I/O pin
19. VUSB - USB power supply
20. RB0 - General-purpose I/O pin
21. RB1 - General-purpose I/O pin
22. RB2 - General-purpose I/O pin
23. RB3 - General-purpose I/O pin
24. RB4 - General-purpose I/O pin
25. RB5 - General-purpose I/O pin
26. RB6 - General-purpose I/O pin
27. RB7 - General-purpose I/O pin
28. RB8 - General-purpose I/O pin
29. RB9 - General-purpose I/O pin
30. RB10 - General-purpose I/O pin
31. RB11 - General-purpose I/O pin
32. RB12 - General-purpose I/O pin
33. RB13 - General-purpose I/O pin
34. RB14 - General-purpose I/O pin
35. RB15 - General-purpose I/O pin

Functional Features

The PIC18LF4439-I/PT microcontroller offers several functional features that enhance its usability and performance. Some of the key features include:

• Flash memory for program storage
• Integrated peripherals such as UART, SPI, and I2C for communication
• Analog-to-Digital Converter (ADC) for analog signal processing
• Timers/Counters for precise timing operations
• PWM outputs for generating analog signals
• Low power consumption modes for energy efficiency
• Enhanced I/O options for versatile connectivity
• Built-in oscillator for clock generation

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient control and processing.
• Flash memory allows for easy program updates and flexibility.
• Integrated peripherals simplify system design and reduce external component count.
• Low power consumption extends battery life in portable applications.
• Wide operating voltage range provides compatibility with various power sources.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Relatively small RAM size may limit the amount of data that can be processed simultaneously.
• The number of I/O pins may be insufficient for certain projects requiring extensive connectivity.

Working Principles

The PIC18LF4439-I/PT microcontroller operates