Microchip Technology

PIC18LF4321-I/P  

Microcontrollers

Microchip Technology's PIC18LF4321-I/P is a high-performance microcontroller (MCU) that belongs to the PIC18F series. It is designed to provide a powerful and flexible solution for a wide range of applications, including industrial control, automotive, and consumer electronics.

Description:

The PIC18LF4321-I/P is a 16-bit Flash microcontroller with a CIP-51 core. It features a high-speed CPU, advanced peripherals, and a rich set of communication interfaces. The device is available in a 40-pin package and operates over a wide voltage range of 2.0V to 5.5V.

Features:

1. Enhanced core: The CIP-51 core provides high-speed execution with 2 clock instructions per machine cycle for most instructions.
2. Memory: The PIC18LF4321-I/P features 128KB of Flash memory, 4KB of RAM, and 256 bytes of EEPROM for non-volatile data storage.
3. Peripherals: The device offers a variety of peripherals, including two UARTs, a Parallel Master Port (PMP), an SPI port, and an I2C port.
4. Analog-to-Digital Converter (ADC): The built-in 10-bit ADC with up to 8 channels allows for accurate analog signal processing.
5. Timers: The microcontroller includes three 16-bit timers, which can be used for various time and event-based applications.
6. Enhanced USART: The device features a high-speed USART with a baud rate of up to 2 Mbps.
7. Program and Data EEPROM: The PIC18LF4321-I/P has 256 bytes of EEPROM for storing program and data in a non-volatile manner.
8. Oscillator options: The microcontroller supports internal and external oscillators, including a precision internal oscillator with a frequency range of 1MHz to 16MHz.
9. Power-saving modes: The device offers several power-saving modes, including Idle, Power-down, and Sleep, to optimize power consumption.

Applications:

1. Industrial control: The PIC18LF4321-I/P can be used in motor control, sensor interfacing, and process control applications.
2. Automotive: The microcontroller is suitable for automotive applications such as body control modules, instrument clusters, and infotainment systems.
3. Consumer electronics: The device can be used in appliances, home automation systems, and portable devices.
4. Communication systems: The built-in communication interfaces make the PIC18LF4321-I/P suitable for applications like modems, routers, and other networking equipment.
5. Medical devices: The microcontroller can be used in medical equipment for data acquisition, signal processing, and control.
6. Security systems: The PIC18LF4321-I/P can be employed in access control, surveillance, and alarm systems.

In summary, the PIC18LF4321-I/P is a versatile and powerful microcontroller with a wide range of features that make it suitable for various applications across different industries. Its advanced peripherals, communication interfaces, and power-saving modes make it an attractive choice for developers looking to create efficient and reliable embedded systems.

PIC18LF4321-I/P Documents

Download datasheets and manufacturer documentation for PIC18LF4321-I/P

Errata :

PIC18F(2x21, 4x21) Revision B2 Errata      

PCN Assembly/Origin :

Mult Dev 13/Apr/2020      

Datasheets :

PIC18F(2, 4)zzz Programming Specification       PIC18F2x21, 4x21 Data Sheet      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

PIC18LF4321 Development Tool Selector      

HTML Datasheet :

PIC18F(2, 4)zzz Programming Specification      

PCN Design/Specification :

Errata/Datasheet Update 07/Aug/2014       Wire Chg 13/Jan/2016      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH