AT32UC3A3128-ALUT 32-bit AVR microcontroller with 128KB Flash memory, 128KB RAM, 66MHz clock speed, and 110 I/O pins. Surface mount in 144-LQFP package.
Mfr Part #:

AT32UC3A3128-ALUT

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
32-bit AVR microcontroller with 128KB Flash memory, 128KB RAM, 66MHz clock speed, and 110 I/O pins. Surface mount in 144-LQFP package.
✓ Total Stock: 3,477 pcs

AT32UC3A3128-ALUT Available from 1 distributor

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✓ Non-Authorised
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AT32UC3A3128-ALUT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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AT32UC3A3128-ALUT Description

Short technical summary and product information.

The AT32UC3A3128-ALUT is a high-performance 32-bit AVR microcontroller from Microchip Technology. It features a 32-bit AVR core operating at up to 66 MHz, delivering up to 1.51 DMIPS/MHz. The device includes 128 KB of Flash program memory and 128 KB of SRAM, with single-cycle access at full speed. It provides 110 I/O pins and a rich set of connectivity options including EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, and USB OTG. Peripherals include Brown-out Detect/Reset, DMA, POR, and WDT. The microcontroller operates from 1.75V to 3.6V and is rated for -40°C to +85°C. It is available in a 144-LQFP surface mount package (20x20 mm). The internal oscillator eliminates the need for external clock components. The device also includes 8 peripheral DMA channels and 4 generic DMA channels for efficient data transfers.

AT32UC3A3128-ALUT Quick Information

Product Type: Microcontroller
Series: AT32UC3A
Canonical Name: AT32UC3A3128-ALUT
Subcategory: 32-bit Microcontroller

AT32UC3A3128-ALUT Compliance

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

AT32UC3A3128-ALUT Features

  • 32-bit AVR core at 66MHz.
  • 128KB Flash and 128KB RAM.
  • 110 I/O pins with multiple interfaces.
  • Operating voltage 1.75V to 3.6V.
  • Surface mount 144-LQFP package.

AT32UC3A3128-ALUT Applications

  • Ideal for industrial control systems.
  • Suitable for embedded networking applications.
  • Used in complex signal processing tasks.
  • Perfect for memory-intensive embedded designs.

AT32UC3A3128-ALUT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT32UC3A3128-ALUT?

The operating voltage range is 1.75V to 3.6V.

What is the package type for this microcontroller?

It comes in a 144-LQFP surface mount package (20x20 mm).

What is the operating temperature range?

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

Is the AT32UC3A3128-ALUT RoHS compliant?

RoHS3 compliant status is indicated but unverified; confirm with manufacturer.

What is the core processor and speed?

It has a 32-bit AVR core running at 66 MHz.

How much Flash and RAM does it have?

It has 128 KB of Flash program memory and 128 KB of SRAM.

What connectivity interfaces are available?

It supports EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, and USB OTG.

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