Microchip Technology ATSAM3S4AA-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.89 | $5.89 |
| 15+ | $5.70 | $85.50 |
| 25+ | $5.58 | $139.50 |
| 50+ | $5.27 | $263.50 |
| 100+ | $4.65 | $465.00 |
| N+ | $0.93 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | SAM3S |
| Packaging | Tray | |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 64MHz |
| Connectivity | I2C, MMC, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 34 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 48K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
| Data Converters | A/D 8x10/12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-LQFP (7x7) |
| Package / Case | 48-LQFP |
| ROHS |  |
The Microchip ATSAM3S4AA-AU is a 32-bit ARM Cortex-M3 microcontroller with 256KB flash and 48KB RAM. Operating from 1.62V to 3.6V at 64MHz, it integrates DMA, I2S, PWM, and multiple communication interfaces. The 48-LQFP package balances pin count and footprint for embedded control and IoT applications.
- Efficient Cortex-M3 core: 64MHz performance with low power consumption for battery devices.
- Large memory: 256KB flash and 48KB RAM support complex applications and RTOS.
- DMA and I2S: Enables high-speed data transfer and audio applications without CPU load.
- Wide voltage range: 1.62V-3.6V allows direct battery operation.
Portable Audio Players
The I2S interface and DMA controller enable high-fidelity audio streaming without CPU intervention, preserving battery life.
Smart Home Gateways
256KB flash and 48KB RAM support protocol stacks for Zigbee, Z-Wave, or custom IoT protocols in a 48-LQFP package.
Industrial Data Loggers
DMA and multiple serial interfaces allow continuous data capture from sensors to external memory at 64MHz.
Medical Monitoring Devices
Low-voltage operation (1.62V) and low-power modes make it ideal for wearable health monitors.
Human-Machine Interfaces
With 48 GPIOs and fast Cortex-M3 core, it can drive simple TFT displays and capacitive touch buttons.
Motor Control with Field-Oriented Control
The 64MHz Cortex-M3 provides enough compute for FOC algorithms in 3-phase motors.
- Q: What core does the ATSAM3S4AA-AU use?
- A: It uses the ARM Cortex-M3 processor running at 64MHz.
- Q: How much flash and RAM does it have?
- A: It has 256KB flash and 48KB RAM.
- Q: What is the voltage range?
- A: It operates from 1.62V to 3.6V, suitable for battery-powered devices.
- Q: Does it support DMA and I2S?
- A: Yes, it includes DMA and I2S for audio and high-throughput data transfer.
ATSAM3S4AA-AU.pdf
- Q: What core does the ATSAM3S4AA-AU use?
- A: It uses the ARM Cortex-M3 processor running at 64MHz.
- Q: How much flash and RAM does it have?
- A: It has 256KB flash and 48KB RAM.
- Q: What is the voltage range?
- A: It operates from 1.62V to 3.6V, suitable for battery-powered devices.
- Q: Does it support DMA and I2S?
- A: Yes, it includes DMA and I2S for audio and high-throughput data transfer.
