Microchip Technology ATSAM4LS4BA-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 48
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 7x12b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-TQFP (10x10)
Package / Case 64-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATSAM4LS4BA-AUR from Microchip is a low-power ARM Cortex-M4 microcontroller designed for energy-efficient embedded applications. It operates at 48MHz with 256KB flash and 32KB RAM, providing ample resources for complex firmware. The device includes advanced peripherals such as DMA, I2S, PWM, and multiple communication interfaces, making it versatile for industrial, medical, and consumer products. Its wide voltage range and robust feature set ensure reliable performance in demanding environments.

  • High-performance Cortex-M4 core: Enables efficient signal processing and control algorithms at 48MHz.
  • Ultra-low power operation: Supports 1.68V supply, extending battery life in portable devices.
  • Rich peripheral set: Includes DMA, I2S, and PWM for flexible system integration.
  • Large memory capacity: 256KB flash and 32KB RAM accommodate complex applications.

Industrial Control Systems

The Cortex-M4 core with DSP instructions enables efficient real-time control loops for motor control and process automation.

Portable Medical Devices

Low power consumption and 1.68V operation support battery-powered monitoring equipment requiring long battery life.

Audio Processing

The I2S interface allows direct connection to audio codecs for high-fidelity sound processing in consumer electronics.

IoT Edge Nodes

With DMA and multiple serial interfaces, it can handle sensor data aggregation and communication protocols in smart home devices.

Automotive Body Electronics

Operating temperature range of -40°C to 85°C makes it suitable for non-critical automotive applications like lighting control.

Smart Meters

The combination of low power and 256KB flash supports complex metering algorithms and data logging in utility infrastructure.

Q: What is the core processor of the ATSAM4LS4BA-AUR?
A: It uses an ARM Cortex-M4 core running at up to 48 MHz.
Q: What is the operating voltage range?
A: It operates from 1.68V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 256KB flash and 32KB RAM.
Q: What package is available?
A: It comes in a 64-TQFP package.
Q: Does it support DMA and I2S?
A: Yes, it includes DMA and I2S peripherals.
Base Product Number : ATSAM4LS4BA
256KB Flash 32-bit MCU 32KB RAM 48MHz 64-TQFP ARM Cortex-M4 DMA I2S Industrial IoT Low Power Medical Microchip
Q: What is the core processor of the ATSAM4LS4BA-AUR?
A: It uses an ARM Cortex-M4 core running at up to 48 MHz.
Q: What is the operating voltage range?
A: It operates from 1.68V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 256KB flash and 32KB RAM.
Q: What package is available?
A: It comes in a 64-TQFP package.
Q: Does it support DMA and I2S?
A: Yes, it includes DMA and I2S peripherals.