Microchip Technology

ATMEGA329P-20AU  

Microcontrollers

The ATMEGA329P-20AU is a microcontroller unit (MCU) produced by Microchip Technology. It is a part of the AVR enhanced low-power series and is based on the ATmega family of microcontrollers. The device is available in a 44-pin TQFP (Thin Quad Flat Package) package.

Description:

The ATMEGA329P-20AU is a high-performance, low-power 8-bit microcontroller featuring 32 KB of In-System Programmable Flash memory, 2 KB of In-System Programmable SRAM, and 1 KB of In-System Programmable EEPROM. It operates at a frequency of 20 MHz and has a wide operating voltage range of 1.8 to 5.5 volts.

Features:

1. 32 KB of In-System Programmable Flash memory for storing program code
2. 2 KB of In-System Programmable SRAM for data storage
3. 1 KB of In-System Programmable EEPROM for non-volatile data storage
4. 44-pin TQFP package
5. Operating frequency of 20 MHz
6. Wide operating voltage range of 1.8 to 5.5 volts
7. Enhanced low-power consumption for extended battery life in portable applications
8. On-chip debugging and programming support through JTAG and SPI interfaces
9. Up to 30 general-purpose I/O lines with optional resistors and interrupt sources
10. On-chip 8-channel, 10-bit A/D converter with programmable gain
11. Two 8-bit and one 16-bit timer/counters with PWM and capture/compare support
12. Two USARTs for serial communication
13. On-chip oscillator with calibration and PLL for system clock generation
14. Integrated voltage regulator and power management system

Applications:

The ATMEGA329P-20AU is suitable for a wide range of applications due to its low-power consumption, high performance, and versatile features. Some common applications include:

1. Battery-powered devices, such as portable electronics, remote controls, and wireless communication devices
2. Industrial control systems, including motor control and sensor interfacing
3. Medical devices, such as portable monitoring equipment and diagnostic tools
4. Home automation and smart home systems
5. Automotive applications, including control modules and infotainment systems
6. Consumer electronics, such as toys, appliances, and audio/video devices
7. Security systems, including access control and surveillance equipment
8. Data acquisition and signal processing systems

The ATMEGA329P-20AU's combination of features makes it a popular choice for embedded systems designers looking for a balance between performance, power efficiency, and ease of use.

ATMEGA329P-20AU Documents

Download datasheets and manufacturer documentation for ATMEGA329P-20AU

PCN Assembly/Origin :

Assembly Site 27/Jul/2023      

Datasheets :

ATmega329P,3290P Complete       ATMEGA329P,3290P Summary      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATmega329 Development Tool Selector      

HTML Datasheet :

ATMEGA329P,3290P Summary      

PCN Design/Specification :

Marking Chgs 11/Jul/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH