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ATSAM3S4CA-AU The ATSAM3S4CA-AU is a 32-bit ARM Cortex-M3 microcontroller from Microchip Technology with a 64MHz core, 256KB Flash, 48KB RAM, and 79 I/O pins in a 100-LQFP package.
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ATSAM3S4CA-AU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATSAM3S4CA-AU is a 32-bit ARM Cortex-M3 microcontroller from Microchip Technology with a 64MHz core, 256KB Flash, 48KB RAM, and 79 I/O pins in a 100-LQFP package.
✓ Total Stock: 28,316 pcs

ATSAM3S4CA-AU Available from 2 distributors

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Smaxon Electronics ✓
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21,859 pcs
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21859 pcs On Request 1 On Request On Request 2020+ On Request On Request
Romaks Technologies ✓
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6,457 pcs
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6457 pcs On Request 1 On Request On Request On Request On Request On Request
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ATSAM3S4CA-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Industrial Grade
Lead Spacing
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
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ATSAM3S4CA-AU Description

Short technical summary and product information.

The ATSAM3S4CA-AU is a high-performance 32-bit microcontroller from Microchip Technology based on the ARM Cortex-M3 core running at 64MHz. It features 256KB of Flash program memory and 48KB of SRAM, providing ample storage for embedded applications. The device operates across a wide supply voltage range of 1.62V to 3.6V, making it suitable for battery-powered and low-power designs.

 

Connectivity options include EBI/EMI, I2C, SPI, SSC, UART/USART, and USB, along with integrated data converters: 15-channel 10/12-bit ADC and 2-channel 12-bit DAC. On-chip peripherals include brown-out detect/reset, DMA, I2S, POR, PWM, and watchdog timer. The internal oscillator eliminates the need for external clock components.

 

The microcontroller is housed in a 100-pin LQFP package (14x14mm) for surface-mount assembly, with an operating temperature range of -40°C to 85°C. It offers 79 general-purpose I/O pins for flexible peripheral connections.

ATSAM3S4CA-AU Quick Information

Product Type: Microcontroller
Series: ATSAM3S4CA
Canonical Name: Microchip Technology ATSAM3S4CA-AU ARM Cortex-M3 Microcontroller
Subcategory: ARM-based Microcontroller

ATSAM3S4CA-AU Compliance

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

ATSAM3S4CA-AU Features

  • 64MHz ARM Cortex-M3 core processor.
  • 256KB FLASH and 48KB SRAM memory.
  • Operates from 1.62V to 3.6V supply.
  • 79 I/O pins with multiple connectivity options.
  • Integrated A/D and D/A data converters.

ATSAM3S4CA-AU Applications

  • Used in smart home control systems.
  • Ideal for industrial motor control.
  • Applicable in medical monitoring devices.
  • Suitable for automotive control units.

ATSAM3S4CA-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATSAM3S4CA-AU?

The supply voltage range is 1.62V to 3.6V.

What package does the ATSAM3S4CA-AU come in?

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

What is the operating temperature range?

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

Is the ATSAM3S4CA-AU RoHS compliant?

It is listed as RoHS3 compliant (unverified, low confidence).

How much Flash memory does the ATSAM3S4CA-AU have?

It has 256KB of Flash program memory.

What connectivity interfaces are available?

Connectivity includes EBI/EMI, I2C, SPI, SSC, UART/USART, and USB.

How many I/O pins does the ATSAM3S4CA-AU provide?

It provides 79 general-purpose I/O pins.

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