Mfr Part #:

AT91SAM7A3-AU

Mfr Name: Atmel

The AT91SAM7A3-AU is a microcontroller from Atmel based on the ARM7TDMI processor. It offers 256KB of Flash memory and 32KB of SRAM.

✓ Total Stock: 927 pcs

$ Price Range: $2.50

AT91SAM7A3-AU Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Smaxon Electronics ✓ Non-Authorised Inventory information	759 pcs On Request	759 pcs	On Request	1	On Request	On Request	1349+	On Request	On Request
Fe Components ✓ Non-Authorised Inventory information	168 pcs On Request	168 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

AT91SAM7A3-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Atmel
Architecture	ARM7TDMI
USB	USB 2.0 Full Speed
Watchdog Timer	12-bit

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AT91SAM7A3-AU Description

Short technical summary and product information.

The AT91SAM7A3-AU is a high-performance microcontroller from Atmel, built around the ARM7TDMI processor core. This architecture provides a balance of processing power and efficiency, making it suitable for a wide range of embedded applications.

Key features include 256 Kbytes of internal high-speed Flash memory and 32 Kbytes of internal high-speed SRAM, enabling significant on-chip data storage and program execution. The microcontroller supports single-cycle access at up to 30 MHz, ensuring fast operation. It also incorporates a USB 2.0 Full Speed device port for versatile connectivity.

Additional integrated peripherals include multiple CAN 2.0B controllers, 8-channel 10-bit Analog-to-Digital Converters, and a 1-channel 20-bit PWM controller. Power management capabilities allow for optimization through various modes like Slow Clock, Idle, Standby, and Backup.

Packaged in an AU type, this microcontroller is designed for surface mounting. Its robust feature set makes it a capable component for complex embedded systems.

AT91SAM7A3-AU Quick Information

Product Type: Microcontroller

Series: AT91SAM7

Canonical Name: AT91SAM7A3-AU Microcontroller

Subcategory: FPGA with Microcontroller

AT91SAM7A3-AU Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

AT91SAM7A3-AU Estimated Pricing

Qty	Low	High
1+	$2.50	$2.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

AT91SAM7A3-AU Features

ARM7TDMI processor core for high performance.
256KB high-speed internal Flash memory.
32KB high-speed internal SRAM.
USB 2.0 Full Speed device port.
Multiple integrated peripheral controllers.

AT91SAM7A3-AU Applications

Embedded control systems.
Data acquisition applications.
Connectivity solutions.
Industrial automation.
Consumer electronics.

AT91SAM7A3-AU FAQs

7 frequently asked questions generated from this part’s specifications.

What processor core does the AT91SAM7A3-AU use?

The AT91SAM7A3-AU uses the ARM7TDMI processor core.

How much Flash memory does the AT91SAM7A3-AU have?

The AT91SAM7A3-AU has 256 Kbytes of internal high-speed Flash memory.

What is the SRAM capacity of the AT91SAM7A3-AU?

The AT91SAM7A3-AU has 32 Kbytes of internal high-speed SRAM.

What is the maximum clock speed for the AT91SAM7A3-AU?

The AT91SAM7A3-AU can operate at a maximum clock speed of 30 MHz.

Does the AT91SAM7A3-AU have a USB interface?

Yes, the AT91SAM7A3-AU features a USB 2.0 Full Speed device port.

How many CAN controllers are integrated into the AT91SAM7A3-AU?

The AT91SAM7A3-AU integrates two CAN 2.0B Active controllers.

What is the RoHS status of the AT91SAM7A3-AU?

The AT91SAM7A3-AU is RoHS3 Compliant.