Microchip Technology ATSAM4LS2AA-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $21.80 | $21.80 |
| 15+ | $5.01 | $75.15 |
| 25+ | $4.91 | $122.75 |
| 50+ | $4.63 | $231.50 |
| 100+ | $4.09 | $409.00 |
| N+ | $0.82 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | SAM4L |
| Packaging | Tray | 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-QFN (7x7) |
| Package / Case | 48-VFQFN Exposed Pad |
| ROHS |  |
The ATSAM4LS2AA from Microchip is a low-power ARM Cortex-M4 MCU with 128KB flash and 32KB RAM. Running at 48MHz, it features I2S for audio, DMA, PWM, and WDT. Its 1.68V to 3.6V supply range and 48-VFQFN package make it suitable for portable and battery-powered applications.
- I2S audio interface: Simplifies connection to audio codecs for high-quality sound processing.
- Low power consumption: 1.68V minimum voltage extends battery life in wearables.
- DSP-enhanced Cortex-M4: Accelerates math-intensive tasks like FFT and filters.
- Compact 48-VFQFN: Ideal for space-constrained designs with exposed pad for thermal management.
Audio Processing Devices
I2S interface connects directly to audio codecs; Cortex-M4 DSP instructions handle real-time filtering.
Portable Medical Sensors
Low power (1.68V) and 48MHz speed enable continuous ECG/EEG monitoring with on-chip signal processing.
Wireless Sensor Nodes
DMA transfers sensor data to radio modules without CPU intervention, reducing power consumption.
Industrial Data Loggers
32KB RAM buffers large datasets; WDT ensures long-term unattended operation.
Smart Agriculture Probes
Low voltage operation suits solar-powered field sensors; PWM controls irrigation valves.
Consumer Audio Accessories
Compact VFQFN package fits in earbuds; I2S and DMA stream audio efficiently.
- Q: What is the core?
- A: ARM Cortex-M4 at 48MHz.
- Q: What is the voltage range?
- A: 1.68V to 3.6V.
- Q: How much flash and RAM?
- A: 128KB flash and 32KB RAM.
- Q: Does it have I2S?
- A: Yes, I2S for audio.
- Q: What package?
- A: 48-VFQFN exposed pad.
ATSAM4LS2AA-MU.pdf
- Q: What is the core?
- A: ARM Cortex-M4 at 48MHz.
- Q: What is the voltage range?
- A: 1.68V to 3.6V.
- Q: How much flash and RAM?
- A: 128KB flash and 32KB RAM.
- Q: Does it have I2S?
- A: Yes, I2S for audio.
- Q: What package?
- A: 48-VFQFN exposed pad.
