Microchip Technology ATSAM4LS2AA-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.95 | $5.95 |
| 15+ | $5.76 | $86.40 |
| 25+ | $5.63 | $140.75 |
| 50+ | $5.32 | $266.00 |
| 100+ | $4.70 | $470.00 |
| N+ | $0.94 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | SAM4L |
| Packaging | Cut Tape (CT) | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 48MHz |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.68V ~ 3.6V |
| Data Converters | A/D 3x12b; D/A 1x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-TQFP (7x7) |
| Package / Case | 48-TQFP |
| ROHS |
The Microchip ATSAM4LS2AA-AUR is a low-power 32-bit microcontroller based on the ARM Cortex-M4 core. It operates at 48 MHz and offers 128 KB of Flash and 32 KB of RAM. With a supply voltage range of 1.68V to 3.6V, it is optimized for energy-efficient designs. The 48-TQFP package provides a compact footprint. Integrated peripherals include DMA, I2S, PWM, and multiple system protection features, making it suitable for portable and industrial applications.
- Ultra-low voltage operation (1.68V): Extends battery life in portable devices, enabling direct operation from single-cell batteries.
- ARM Cortex-M4 core: Provides DSP instructions and efficient processing for signal conditioning and control algorithms.
- 128 KB Flash / 32 KB RAM: Balanced memory for moderate-complexity applications without external storage.
- Integrated DMA and I2S: Facilitates high-throughput data streaming for audio and sensor interfaces with minimal CPU intervention.
- Compact 48-TQFP package: Saves board space while offering adequate I/O for peripheral integration.
Low-Power Wireless Sensors
The 1.68V minimum supply and 48 MHz Cortex-M4 allow battery-powered sensor nodes to run efficiently while maintaining processing power for protocol stacks.
Portable Instrumentation
With 32 KB RAM and DMA, it can handle real-time data logging from ADCs without CPU loading, ideal for handheld meters.
Smart Home Controllers
I2S support enables audio interfaces for voice-controlled devices, while PWM drives dimmable LED lighting.
Medical Wearables
The low voltage and robust reset features make it suitable for continuous health monitoring patches that require long battery life.
Industrial Process Control
Its -40°C to 85°C range and DMA capabilities support reliable data acquisition in factory automation.
Consumer Audio Accessories
The Cortex-M4 with I2S can decode and output audio for headphones or smart speakers with minimal external components.
- Q: What core does the ATSAM4LS2AA-AUR use?
- A: It is based on the ARM Cortex-M4 processor, running at up to 48 MHz.
- Q: What is the program memory capacity?
- A: It has 128 KB of Flash memory, organized as 128K x 8 bits.
- Q: What is the operating voltage range?
- A: The device supports a wide range from 1.68V to 3.6V, enabling low-power operation.
- Q: What package is this variant?
- A: It is available in a 48-TQFP package, suitable for compact PCB designs.
- Q: Does it have DMA and PWM?
- A: Yes, it includes DMA, PWM, I2S, and protection features like brown-out detect and WDT.
- Q: What core does the ATSAM4LS2AA-AUR use?
- A: It is based on the ARM Cortex-M4 processor, running at up to 48 MHz.
- Q: What is the program memory capacity?
- A: It has 128 KB of Flash memory, organized as 128K x 8 bits.
- Q: What is the operating voltage range?
- A: The device supports a wide range from 1.68V to 3.6V, enabling low-power operation.
- Q: What package is this variant?
- A: It is available in a 48-TQFP package, suitable for compact PCB designs.
- Q: Does it have DMA and PWM?
- A: Yes, it includes DMA, PWM, I2S, and protection features like brown-out detect and WDT.

ATSAM4LS2AA-AUR.pdf