Microchip Technology

ATMEGA328P-AU  

Microcontrollers

The ATMEGA328P-AU is a microcontroller unit (MCU) produced by Microchip Technology. It is a part of the AVR Enhanced series and is based on the ATmega family of microcontrollers.

Description:

The ATMEGA328P-AU is a low-power, high-performance 8-bit microcontroller that features 32 KB of In-System Programmable Flash memory, 1 KB EEPROM, and 2 KB SRAM. It operates at a frequency of up to 20 MHz and has a wide operating voltage range of 1.8-5.5V. The device is available in a 32-pin package.

Features:

1. 32 KB of In-System Programmable Flash memory for storing the program code.
2. 1 KB EEPROM for non-volatile data storage.
3. 2 KB SRAM for temporary data storage.
4. 20 MHz maximum operating frequency.
5. Wide operating voltage range of 1.8-5.5V.
6. I/O lines with optional internal pull-up resistors.
7. 3-channel 8-bit Timer/Counter with PWM and Input Capture.
8. 2-channel 8-bit Timer/Counter with PWM.
9. 8 MHz crystal oscillator with calibration.
10. USART with multi-protocol support.
11. SPI and TWI serial interfaces.
12. 7 ADC channels with up to 10-bit resolution.
13. Programmable watchdog timer with separate on-chip oscillator.
14. In-System Programming (ISP) and In-Application Programming (IAP) capabilities.
15. Active and Power-down mode for low-power operation.

Applications:

The ATMEGA328P-AU is a versatile microcontroller suitable for a wide range of applications, including but not limited to:

1. Industrial control systems.
2. Home automation and smart home devices.
3. Robotics and automation.
4. Portable electronic devices.
5. Battery-powered devices.
6. Data acquisition and signal processing systems.
7. Medical equipment.
8. Security systems.
9. Consumer electronics.
10. Telecommunication devices.

The ATMEGA328P-AU's combination of features, such as low power consumption, high performance, and a wide operating voltage range, make it an ideal choice for various embedded systems and IoT applications.

ATMEGA328P-AU Documents

Download datasheets and manufacturer documentation for ATMEGA328P-AU

Errata :

ATmega48A/PA/88A/PA/168A/PA/328/P Errata      

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

ATmega48A/PA/88A/PA/168A/PA/328/P      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

ATmega328 Development Tool Selector      

PCN Design/Specification :

Cancelled 21/Jun/2016       ATmega48A/PA/88A/PA/168A/PA/328/P 10/Sep/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH