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ATSAM3U4EA-AU 32-bit ARM Cortex-M3 microcontroller from Microchip with 96 MHz clock, 256KB Flash, and 52KB RAM in a 144-pin LQFP package.
Mfr Part #:

ATSAM3U4EA-AU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
32-bit ARM Cortex-M3 microcontroller from Microchip with 96 MHz clock, 256KB Flash, and 52KB RAM in a 144-pin LQFP package.
✓ Total Stock: 9,667 pcs

ATSAM3U4EA-AU Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
5,318 pcs
On Request
5318 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
4,349 pcs
On Request
4349 pcs On Request 1 On Request On Request On Request On Request On Request
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ATSAM3U4EA-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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ATSAM3U4EA-AU Description

Short technical summary and product information.

The ATSAM3U4EA-AU is a 32-bit ARM Cortex-M3 microcontroller from Microchip Technology, part of the SAM3U series. It operates at a maximum clock frequency of 96 MHz and features a Harvard RISC architecture.

 

It includes 256 KB of Flash program memory and 52 KB of RAM. On-chip peripherals include a 12-bit DAC, 16-channel ADC with 10/12-bit resolution, analog comparator, DMA controller, PWM, and multiple serial interfaces such as I2C, SPI, UART/USART, and USB. It also supports external bus interface (EBI/EMI) and memory card connectivity.

 

The device is housed in a 144-pin LQFP package measuring 20x20 mm with a height of 1.45 mm, suitable for surface mount assembly. It operates over a temperature range of -40°C to 85°C and requires a supply voltage between 1.62 V and 3.6 V.

ATSAM3U4EA-AU Quick Information

Product Type: Microcontroller
Series: SAM3U
Canonical Name: Microchip Technology ATSAM3U4EA-AU ARM Cortex-M3 Microcontroller
Subcategory: ARM Cortex-M3 Microcontroller

ATSAM3U4EA-AU Compliance

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

ATSAM3U4EA-AU Features

  • 32-bit ARM Cortex-M3 core at 96 MHz.
  • 256 KB Flash and 52 KB RAM memory.
  • 16-channel ADC with 10/12-bit resolution.
  • 144-pin LQFP surface mount package.
  • Wide supply voltage range 1.62V to 3.6V.

ATSAM3U4EA-AU Applications

  • Used in industrial control and automation systems.
  • Suitable for embedded motor control applications.
  • Ideal for human-machine interface (HMI) designs.
  • Applied in USB-enabled peripheral devices.

ATSAM3U4EA-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATSAM3U4EA-AU?

The supply voltage range is 1.62 V to 3.6 V.

What package does the ATSAM3U4EA-AU come in?

It comes in a 144-pin LQFP package measuring 20x20 mm.

What is the operating temperature range?

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

Is the ATSAM3U4EA-AU RoHS compliant?

It is claimed to be RoHS3 compliant, but this is unverified.

What is the maximum clock frequency?

The maximum clock frequency is 96 MHz.

How much Flash and RAM does the ATSAM3U4EA-AU have?

It has 256 KB of Flash program memory and 52 KB of RAM.

What connectivity interfaces are available?

It supports EBI/EMI, I2C, SPI, UART/USART, USB, and memory card interface.

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