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ATSAM3U1CB-AU The ATSAM3U1CB-AU is a 32-bit ARM Cortex-M3 microcontroller from Microchip Technology with 64KB Flash and 20KB RAM. It operates at 96MHz and comes in a 100-LQFP package.
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ATSAM3U1CB-AU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATSAM3U1CB-AU is a 32-bit ARM Cortex-M3 microcontroller from Microchip Technology with 64KB Flash and 20KB RAM. It operates at 96MHz and comes in a 100-LQFP package.
✓ Total Stock: 1,200 pcs

ATSAM3U1CB-AU Available from 1 distributor

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ATSAM3U1CB-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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ATSAM3U1CB-AU Description

Short technical summary and product information.

The ATSAM3U1CB-AU is a high-performance 32-bit microcontroller from Microchip Technology's SAM3U series. It features a 96MHz ARM Cortex-M3 core, 64KB of Flash program memory, and 20KB of SRAM. The device supports a wide supply voltage range of 1.62V to 3.6V, making it suitable for battery-powered and low-power applications.

 

Connectivity options include EBI/EMI, I2C, Memory Card, SPI, SSC, UART/USART, and USB. It also offers 57 I/O lines, internal oscillator, and data converters (A/D 4x10b, 4x12b). Peripherals include brown-out detect/reset, DMA, I2S, POR, PWM, and WDT. The microcontroller operates over an industrial temperature range of -40°C to 85°C.

 

The ATSAM3U1CB-AU is supplied in a 100-LQFP surface-mount package (14x14mm). Typical applications include consumer electronics, industrial automation, medical devices, and automotive systems. Microchip provides development support via MPLAB X IDE, evaluation boards, and software libraries.

ATSAM3U1CB-AU Quick Information

Product Type: Microcontroller
Series: SAM3U
Canonical Name: ATSAM3U1CB-AU Microcontroller
Subcategory: ARM Cortex-M3 Microcontroller

ATSAM3U1CB-AU Compliance

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

ATSAM3U1CB-AU Features

  • 96MHz ARM Cortex-M3 core processor.
  • 64KB Flash and 20KB RAM memory.
  • 57 I/O pins with versatile connectivity.
  • Wide supply voltage range of 1.62V to 3.6V.
  • Surface mount 100-LQFP package.

ATSAM3U1CB-AU Applications

  • Used in smart home and wearable devices.
  • Ideal for industrial PLCs and motor control.
  • Suitable for portable medical equipment.
  • Applied in automotive infotainment systems.

ATSAM3U1CB-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the core processor of the ATSAM3U1CB-AU?

The core processor is an ARM Cortex-M3, 32-bit single-core.

What is the maximum operating frequency?

The maximum speed is 96 MHz.

How much Flash memory does the ATSAM3U1CB-AU have?

It has 64KB of Flash program memory.

How much RAM is available?

The device has 20KB of RAM.

What is the operating voltage range?

The supply voltage range is 1.62V to 3.6V.

What is the operating temperature range?

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

What package does the ATSAM3U1CB-AU come in?

It is supplied in a 100-LQFP (14x14mm) surface-mount package.

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