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Category Integrated Circuits (ICs)>Embedded - Microcontrollers
Mfr Microchip Technology
Series AVR® ATmega
Package Tray
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number of I/O 54
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Supply Voltage - Operating 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Temperature Range - Operating -40°C ~ 85°C (TA)
Mounting SMD (SMT)
Package / Case 64-VFQFN Exposed Pad
Supplier Device Package 64-QFN (9x9)
Base Product Number ATMEGA329
Other Names 1611-ATMEGA329A-MU,ATMEGA329AMU
Standard Package 260
MSL Level 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.31.0001
Win Source Part Number 1264478-ATMEGA329A-MU
Ultra Librarian 3D Model Ultra Librarian ATMEGA329A-MU CAD Model

Description

Microchip Technology's ATMEGA329A-MU Microcontroller

The ATMEGA329A-MU is a high-performance, low-power Atmel AVR 8-bit Microcontroller that combines 32KB ISP flash memory, 1KB EEPROM, 2KB SRAM, 53 general purpose I/O lines, 32 general purpose working registers, a real-time counter, three flexible timer/counters with compare modes, internal and external interrupts, a serial programmable USART, a byte-oriented 2-wire serial interface, an 8-channel 10-bit A/D converter, and a programmable watchdog timer with internal oscillator.

Designed by Microchip Technology, this versatile microcontroller operates between 1.8-5.5 volts. With its robust feature set and power efficiency, the ATMEGA329A-MU is ideal for a wide spectrum of applications, ranging from consumer electronics to industrial automation.

Key features of the ATMEGA329A-MU include:

  • Advanced RISC Architecture – 131 powerful instructions, most of which are executed in a single clock cycle.
  • JTAG (Joint Test Action Group) – For on-chip debugging, the device is equipped with JTAG interface supporting extensive debugging and programming.
  • Power Efficiency – PicoPower technology allows the microcontroller to operate at minimal power consumption, even in sleep mode.
  • High Endurance Non-volatile Memory Segments – The device is fabricated with EEPROM and flash memory that can withstand high levels of read/write cycles.
  • Peripheral Features – Multiple peripherals such as timers, counters, USART, and a 10-bit A/D converter enhance the microcontroller's functionality for complex tasks.

The ATMEGA329A-MU is available in a 64-pin QFN (Quad Flat No-leads) package, making it compact and suitable for space-constrained applications. Its performance parameters and extensive I/O capabilities make it a popular choice among engineers and developers looking to create sophisticated systems with a single-chip solution.

Whether you're designing an advanced robotic system, a smart sensor network, or an energy-efficient home appliance, the ATMEGA329A-MU provides a reliable and flexible core for your project, ensuring a balance between power consumption and processing capability.

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Pricing & Ordering

Quantity Unit Price Ext. Price
9+ $7.9313 $71.3817
20+ $6.5078 $130.1560
31+ $6.3044 $195.4364
43+ $6.1011 $262.3473
55+ $5.8977 $324.3735
74+ $5.2876 $391.2824
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Availability: 2,000 pieces
MOQ: 9 pcs
Order Increment : 1 piece
*Need More Quantity? *Request a Bulk Quantity Quotation?

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