Microchip Technology ATSAM4LS4AA-AUR

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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 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-TQFP (7x7)
Package / Case 48-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATSAM4LS4AA-AUR is a 32-bit ARM Cortex-M4 microcontroller in a 48-TQFP package. It runs at 48MHz and provides 256KB of flash and 32KB of SRAM. The device includes advanced peripherals such as I2S, DMA, and PWM, with a supply voltage range of 1.68V to 3.6V. It is designed for low-power, high-performance embedded applications.

  • ARM Cortex-M4 Core: Industry-standard architecture with DSP instructions.
  • Large Memory: 256KB flash and 32KB RAM for complex applications.
  • Low Voltage Operation: 1.68V minimum enables single-cell battery operation.
  • Advanced Peripherals: I2S, DMA, and PWM for audio and control applications.

IoT Edge Devices

The Cortex-M4 core with 256KB flash and 32KB RAM supports complex protocols like MQTT and TLS for cloud connectivity.

Wearable Health Monitors

Low-voltage operation (1.68V) and low power make it suitable for continuous vital sign monitoring.

Smart Home Hubs

With I2S and DMA, it can handle audio interfaces for voice-controlled smart speakers.

Industrial Automation

The 48MHz core and rich peripherals enable real-time control of PLCs and robotic systems.

Portable Instrumentation

High-resolution ADC and low power allow precise measurements in handheld multimeters.

Automotive Infotainment

The -40°C to 85°C range and I2S support make it suitable for car audio systems.

Q: What core does the ATSAM4LS4AA-AUR use?
A: It uses the ARM Cortex-M4 processor.
Q: What is the maximum clock speed?
A: It operates at up to 48MHz.
Q: How much flash memory is available?
A: It has 256KB of flash memory.
Q: What is the package type?
A: It comes in a 48-TQFP package.
Base Product Number : ATSAM4LS4AA
32-bit MCU 48-TQFP 48MHz ARM Cortex-M4 audio DMA IoT low power
Q: What core does the ATSAM4LS4AA-AUR use?
A: It uses the ARM Cortex-M4 processor.
Q: What is the maximum clock speed?
A: It operates at up to 48MHz.
Q: How much flash memory is available?
A: It has 256KB of flash memory.
Q: What is the package type?
A: It comes in a 48-TQFP package.