PIC18LF4420-I/PT

Product Overview

Category

The PIC18LF4420-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 program memory
• Low power consumption
• Wide operating voltage range
• Enhanced peripheral integration
• Flexible I/O options

Package

The PIC18LF4420-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 for a wide range of electronic devices and systems.

Packaging/Quantity

The PIC18LF4420-I/PT is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Architecture: 8-bit
• Program Memory Size: 16 KB
• RAM Size: 768 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 40 MHz
• Number of I/O Pins: 36
• ADC Channels: 13
• UART Modules: 2
• Timers: 4
• Comparators: 2

Detailed Pin Configuration

The PIC18LF4420-I/PT has a total of 36 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/INT0 - General-purpose I/O pin / External interrupt 0
18. RB1/INT1 - General-purpose I/O pin / External interrupt 1
19. RB2/INT2 - General-purpose I/O pin / External interrupt 2
20. RB3/INT3 - General-purpose I/O pin / External interrupt 3
21. RB4/PGM - General-purpose I/O pin / Programming voltage
22. RB5/PGC - General-purpose I/O pin / Programming clock
23. RB6/PGD - General-purpose I/O pin / Programming data
24. RB7/PGM - General-purpose I/O pin / Programming mode
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. AVDD - Analog power supply
36. AVSS - Analog ground

Functional Features

The PIC18LF4420-I/PT offers a range of functional features that enhance its performance and versatility. Some notable features include:

• Flash program memory for easy reprogramming
• Enhanced peripheral integration, including UART modules and timers
• Flexible I/O options for interfacing with external devices
• Low power consumption for energy-efficient operation
• Wide operating voltage range for compatibility with various power sources

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient processing
• Flash program memory allows for easy firmware updates
• Enhanced peripheral integration simplifies system design
• Low power consumption prolongs battery life in portable applications
• Wide operating voltage range provides flexibility in power supply selection

Disadvantages

• Limited program memory size may restrict the complexity of applications
• Limited RAM size may impose constraints on data storage and manipulation
• Limited number of I/O pins may limit the connectivity options for certain projects

Working Principles

The PIC18LF4420-I/PT operates based on the principles of microcontroller architecture. It executes instructions stored in its program memory to perform specific tasks. The microcontroller interacts with external devices through