Microchip Technology ATSAM4LS4AA-MU

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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 256KB (256K 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 RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATSAM4LS4AA-MU is a 32-bit MCU based on the ARM Cortex-M4 core. It runs at 48MHz with 256KB flash and 32KB RAM. Operating from 1.68V to 3.6V, it is optimized for low-power applications. The 48-VFQFN package is compact and thermally efficient. It includes Brown-out Detect, DMA, I2S, POR, PWM, and WDT.

  • Ultra-Low Voltage: 1.68V operation for energy-efficient designs.
  • ARM Cortex-M4: Industry-standard core with DSP capabilities.
  • Compact Size: 48-VFQFN for space-constrained applications.
  • Rich Peripherals: I2S and DMA for audio and data streaming.

Battery-Powered IoT

Ultra-low 1.68V operation extends battery life in wireless sensor nodes.

Wearable Devices

Compact 48-VFQFN package and low power enable small form-factor health trackers.

Audio Accessories

I2S interface supports digital audio streaming in headsets and speakers.

Industrial Sensors

DMA and PWM allow efficient data acquisition and actuator control.

Smart Meters

Low voltage and robust features ensure reliable operation in utility metering.

Q: What is the core of ATSAM4LS4AA-MU?
A: It uses an ARM Cortex-M4 core running at 48MHz.
Q: What is the supply voltage?
A: It operates from 1.68V to 3.6V.
Q: What package is available?
A: It comes in a 48-VFQFN exposed pad package.
Q: What are the key features?
A: It includes Brown-out Detect, DMA, I2S, POR, PWM, and WDT.
Base Product Number : ATSAM4LS4AA
256KB Flash 32-bit MCU 32KB RAM 48-VFQFN 48MHz ARM Cortex-M4 I2S IoT Low Power Wearable
Q: What is the core of ATSAM4LS4AA-MU?
A: It uses an ARM Cortex-M4 core running at 48MHz.
Q: What is the supply voltage?
A: It operates from 1.68V to 3.6V.
Q: What package is available?
A: It comes in a 48-VFQFN exposed pad package.
Q: What are the key features?
A: It includes Brown-out Detect, DMA, I2S, POR, PWM, and WDT.