Microchip Technology

PIC18F4321-I/P  

Microcontrollers

The PIC18F4321-I/P is a microcontroller unit (MCU) produced by Microchip Technology. It belongs to the PIC18F series of microcontrollers, which are widely used in various applications due to their versatility and ease of use.

Description:

The PIC18F4321-I/P is a high-performance, 8-bit microcontroller with a 40-pin package. It features a powerful Harvard architecture that allows for separate program and data memory spaces, which can improve code execution speed and efficiency.

Features:

1. Flash memory: The PIC18F4321-I/P has 128KB of Flash memory, which is used to store the program code. This allows for larger and more complex programs to be stored on the device.
2. RAM: The microcontroller has 4KB of RAM, which is used to store data during program execution.
3. Peripherals: The PIC18F4321-I/P includes a variety of peripherals, including UART, SPI, I2C, and USB interfaces, as well as a 10-bit ADC and a capture/compare/PWM module.
4. Clock options: The device can operate with an internal oscillator or an external clock source, allowing for flexibility in system design.
5. Power management: The PIC18F4321-I/P includes power-saving features such as sleep modes and power-up timers, which can help to extend battery life in battery-powered applications.

Applications:

The PIC18F4321-I/P is a versatile microcontroller that can be used in a wide range of applications, including:

1. Industrial control: The device's powerful processing capabilities and peripheral set make it well-suited for use in industrial control applications, such as motor control, sensor interfacing, and data acquisition.
2. Consumer electronics: The PIC18F4321-I/P can be used in a variety of consumer electronics applications, such as appliances, toys, and home automation systems.
3. Automotive: The device's robustness and reliability make it suitable for use in automotive applications, such as engine control modules, body control modules, and infotainment systems.
4. Medical devices: The PIC18F4321-I/P can be used in medical devices, such as patient monitoring systems, diagnostic equipment, and drug delivery systems.

Overall, the PIC18F4321-I/P is a powerful and versatile microcontroller that offers a range of features and capabilities that make it well-suited for a wide range of applications.

PIC18F4321-I/P Documents

Download datasheets and manufacturer documentation for PIC18F4321-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 :

PIC18F4321 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