PIC18LF4321T-I/PT

Product Overview

Category

The PIC18LF4321T-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 PIC18LF4321T-I/PT is available in a small form factor package, suitable for surface mount technology (SMT) applications.

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 PIC18LF4321T-I/PT is typically packaged in tape and reel format, with a quantity of 250 units per reel.

Specifications

• Microcontroller Family: PIC18
• Core Size: 8-bit
• Program Memory Size: 32KB (Flash)
• RAM Size: 2KB
• Operating Voltage Range: 2.0V to 5.5V
• Number of I/O Pins: 35
• ADC Resolution: 10-bit
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3 x 8-bit, 1 x 16-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18LF4321T-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. RB0 - General-purpose I/O pin
10. RB1 - General-purpose I/O pin
11. RB2 - General-purpose I/O pin
12. RB3 - General-purpose I/O pin
13. RB4 - General-purpose I/O pin
14. RB5 - General-purpose I/O pin
15. RB6 - General-purpose I/O pin
16. RB7 - General-purpose I/O pin
17. RB8 - General-purpose I/O pin
18. RB9 - General-purpose I/O pin
19. RB10 - General-purpose I/O pin
20. RB11 - General-purpose I/O pin
21. RB12 - General-purpose I/O pin
22. RB13 - General-purpose I/O pin
23. RB14 - General-purpose I/O pin
24. RB15 - General-purpose I/O pin
25. VCAP - Capacitor connection for internal voltage regulator
26. VUSB - USB power supply
27. OSC1/CLKI - Oscillator input
28. OSC2/CLKO - Oscillator output
29. RC0 - General-purpose I/O pin
30. RC1 - General-purpose I/O pin
31. RC2 - General-purpose I/O pin
32. RC3 - General-purpose I/O pin
33. RC4 - General-purpose I/O pin
34. RC5 - General-purpose I/O pin
35. MCLR/VPP - Master Clear/Voltage Programming Pin

Functional Features

The PIC18LF4321T-I/PT microcontroller offers several functional features, including:

• High-performance RISC CPU
• Flash program memory with self-read/write capability
• Enhanced peripheral integration for increased functionality
• Multiple communication interfaces for seamless connectivity
• Flexible I/O options for versatile application design
• Low power consumption for energy-efficient operation
• Wide operating voltage range for compatibility with various power sources

Advantages and Disadvantages

Advantages

• High-performance architecture enables efficient processing
• Flash program memory allows for easy firmware updates
• Enhanced peripheral integration reduces external component count
• Flexible I/O options provide versatility in application design
• Low power consumption extends battery life in portable devices

Disadvantages

• Limited program memory size may restrict complex applications
• 8-bit architecture may not be suitable for certain high-end applications
• Lack of advanced features compared to 16 or 32-bit microcontrollers

Working Principles

The PIC18LF4321T-I/PT microcontroller operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its flash program memory, utilizing its integrated CPU and peripherals to perform various tasks. The microcontroller interacts with external components through its I/O pins, enabling control and communication with other devices.