ATMEGA329-16AU The ATMEGA329-16AU is an 8-bit AVR microcontroller with 32KB Flash, 2KB SRAM, and 1KB EEPROM. It operates at up to 16MHz, features 54 I/O pins, and is available in a surface-mount 64-TQFP package.
Mfr Part #:

ATMEGA329-16AU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA329-16AU is an 8-bit AVR microcontroller with 32KB Flash, 2KB SRAM, and 1KB EEPROM. It operates at up to 16MHz, features 54 I/O pins, and is available in a surface-mount 64-TQFP package.
✓ Total Stock: 20,089 pcs

ATMEGA329-16AU Available from 1 distributor

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ATMEGA329-16AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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ATMEGA329-16AU Description

Short technical summary and product information.

The ATMEGA329-16AU is a high-performance, low-power 8-bit AVR microcontroller from Microchip Technology. Based on the AVR enhanced RISC architecture, it executes most instructions in a single clock cycle, achieving up to 16 MIPS throughput at 16MHz. The device integrates 32KB of in-system self-programmable flash memory, 2KB of SRAM, and 1KB of EEPROM, making it suitable for a wide range of embedded control applications.

 

The microcontroller includes a rich set of peripherals: an 8-channel 10-bit ADC, four PWM channels, a 4x25 segment LCD driver, two 8-bit timers, one 16-bit timer, a programmable watchdog timer, and interfaces for USART, SPI, and USI. It also features power-on reset, brown-out detection, and an internal calibrated oscillator. Five sleep modes (idle, ADC noise reduction, power-save, power-down, and standby) support low-power system design.

 

The device operates from a 2.7V to 5.5V supply voltage and is rated for -40°C to +85°C. It is offered in a 64-TQFP (14x14mm) surface-mount package with 54 general-purpose I/O pins. The ATmega329-16AU is available in tray packaging and is RoHS compliant.

ATMEGA329-16AU Quick Information

Product Type: Microcontroller
Series: ATmega
Canonical Name: Microchip Technology ATMEGA329-16AU 8-bit AVR Microcontroller
Subcategory: 8-Bit AVR Microcontroller

ATMEGA329-16AU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA329-16AU Features

  • 8-bit AVR core with 16MHz max clock.
  • 32KB in-system self-programmable flash memory.
  • 8-channel 10-bit analog-to-digital converter.
  • 4x25 segment LCD driver integrated.
  • Operates from 2.7V to 5.5V supply.

ATMEGA329-16AU Applications

  • Ideal for LCD display and metering systems.
  • Used in industrial control and automation modules.
  • Suitable for sensor data acquisition applications.
  • Designed for battery-powered low-power devices.

ATMEGA329-16AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the ATMEGA329-16AU?

The device operates from 2.7V to 5.5V.

What package options are available for the ATMEGA329-16AU?

It is offered in a 64-TQFP (14x14mm) surface-mount package.

What is the operating temperature range of the ATMEGA329-16AU?

The operating temperature range is -40°C to +85°C.

Is the ATMEGA329-16AU RoHS compliant?

According to existing records, the part is RoHS compliant.

How much flash program memory does the ATMEGA329-16AU have?

It has 32KB of flash memory.

Does the ATMEGA329-16AU include an ADC?

Yes, it includes an 8-channel 10-bit ADC.

How many I/O pins does the ATMEGA329-16AU have?

It has 54 I/O pins.

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