Microchip Technology

ATMEGA329A-AU  

Microcontrollers

Microchip Technology's ATMEGA329A-AU is a low-power, high-performance microcontroller unit (MCU) that belongs to the ATmega family of 8-bit AVR microcontrollers. It is designed for a wide range of applications, including industrial automation, medical devices, and consumer electronics.

Description:

The ATMEGA329A-AU is a 28-pin, 8-bit microcontroller with 32 KB of In-System Programmable (ISP) flash memory, 2 KB of In-System Programmable (ISP) EEPROM, and 2 KB of SRAM. It operates at a frequency of up to 16 MHz and has a wide operating voltage range of 1.8V to 5.5V. The device is available in a TQFP (Thin Quad Flat Package) package.

Features:

1. 32 KB of ISP flash memory for program storage
2. 2 KB of ISP EEPROM for non-volatile data storage
3. 2 KB of SRAM for data storage and buffering
4. 1.8V to 5.5V operating voltage range
5. Up to 16 MHz operating frequency
6. 28-pin TQFP package
7. Enhanced sleep mode for low-power consumption
8. Internal calibrated oscillator for precise clock generation
9. I2C, SPI, and USART serial communication interfaces
10. Up to 44 general-purpose I/O lines with optional internal pull-up resistors
11. Programmable watchdog timer with separate on-chip and off-chip outputs
12. On-chip debug system with JTAG and SPI interface

Applications:

1. Industrial automation and control systems
2. Medical devices and equipment
3. Consumer electronics, such as home appliances and portable devices
4. Data acquisition and signal processing systems
5. Battery-powered devices, benefiting from the low-power consumption features
6. Embedded systems requiring a combination of processing power, memory, and I/O capabilities
7. Communication and networking devices, such as routers and modems
8. Security systems, including access control and surveillance systems
9. Automotive applications, such as infotainment systems and engine control modules

The ATMEGA329A-AU is a versatile and powerful microcontroller that can be used in a wide range of applications, thanks to its combination of processing power, memory, and I/O capabilities, as well as its low-power consumption and wide operating voltage range.

ATMEGA329A-AU Documents

Download datasheets and manufacturer documentation for ATMEGA329A-AU

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

ATMEGA169A-6490P Datasheet      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       New Packing Material 02/Aug/2019      

Design Resources :

ATmega329 Development Tool Selector      

PCN Design/Specification :

Marking Chgs 11/Jul/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH