ATSAM3A4CA-CU The ATSAM3A4CA-CU is a 32-bit ARM Cortex-M3 microcontroller from Atmel with 256KB Flash memory and 64KB RAM. It operates at 84MHz and comes in a 100-TFBGA package.
Mfr Part #:

ATSAM3A4CA-CU

Available from 1 distributors
Mfr Name: Atmel
Atmel
The ATSAM3A4CA-CU is a 32-bit ARM Cortex-M3 microcontroller from Atmel with 256KB Flash memory and 64KB RAM. It operates at 84MHz and comes in a 100-TFBGA package.
✓ Total Stock: 6,850 pcs

ATSAM3A4CA-CU Available from 1 distributor

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6,850 pcs
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ATSAM3A4CA-CU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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ATSAM3A4CA-CU Description

Short technical summary and product information.

The ATSAM3A4CA-CU is a 32-bit microcontroller based on the ARM Cortex-M3 core, manufactured by Atmel. It features 256KB of Flash program memory and 64KB of RAM, operating at a maximum speed of 84MHz. The device includes a rich set of peripherals such as Brown-out Detect/Reset, DMA, I²S, POR, PWM, and WDT, and offers extensive connectivity options including CANbus, I²C, IrDA, LINbus, MMC, SPI, SSC, UART/USART, and USB.

 

This microcontroller is designed for surface-mount assembly in a 100-TFBGA package with a 9x9 mm footprint. It supports a supply voltage range of 1.62V to 3.6V and operates over an industrial temperature range of -40°C to 85°C. The device includes 16-channel 12-bit ADC and 2-channel 12-bit DAC converters, making it suitable for mixed-signal applications.

 

The ATSAM3A4CA-CU is well-suited for embedded control applications requiring a balance of processing power, memory, and peripheral integration. Its 63 general-purpose I/O pins provide flexibility for interfacing with external components.

ATSAM3A4CA-CU Quick Information

Product Type: Microcontroller
Series: SAM3A
Canonical Name: ATSAM3A4CA-CU
Subcategory: ARM Cortex-M3

ATSAM3A4CA-CU Compliance

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

ATSAM3A4CA-CU Features

  • 32-bit ARM Cortex-M3 core operating at 84MHz.
  • 256KB Flash program memory and 64KB RAM.
  • 63 general-purpose I/O pins for flexible interfacing.
  • Integrated 16-channel 12-bit ADC and 2-channel 12-bit DAC.
  • Wide supply voltage range from 1.62V to 3.6V.

ATSAM3A4CA-CU Applications

  • Suitable for industrial control and automation systems.
  • Ideal for embedded applications requiring USB connectivity.
  • Used in mixed-signal processing with integrated ADC and DAC.
  • Applicable in CANbus-based automotive and industrial networks.

ATSAM3A4CA-CU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the ATSAM3A4CA-CU?

The ATSAM3A4CA-CU operates from -40°C to 85°C (TA).

What package does the ATSAM3A4CA-CU come in?

The ATSAM3A4CA-CU is packaged in a 100-TFBGA (9x9) surface-mount package.

What is the supply voltage range for the ATSAM3A4CA-CU?

The supply voltage range is 1.62V to 3.6V.

Is the ATSAM3A4CA-CU RoHS compliant?

The ATSAM3A4CA-CU is listed as RoHS3 Compliant, though this is unverified.

How much Flash memory does the ATSAM3A4CA-CU have?

The ATSAM3A4CA-CU has 256KB of Flash program memory.

What is the core processor of the ATSAM3A4CA-CU?

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

What connectivity interfaces does the ATSAM3A4CA-CU support?

It supports CANbus, I²C, IrDA, LINbus, MMC, SPI, SSC, UART/USART, and USB.

ATSAM3A4CA-CU Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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