Microchip Technology ATSAM4LS4CA-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 80
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 15x12b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 100-TQFP (14x14)
Package / Case 100-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATSAM4LS4CA-AUR is a low-power 32-bit microcontroller based on the ARM Cortex-M4 core, running at 48MHz. It features 256KB flash and 32KB RAM, with a wide 1.68V-3.6V supply range. Packaged in a 100-TQFP, it integrates DMA, I2S, PWM, brown-out detection, and watchdog timer, making it ideal for IoT, audio, and portable applications.

  • Ultra-Low Power: 1.68V minimum supply extends battery life in portable devices.
  • High-Performance Core: ARM Cortex-M4 at 48MHz with DSP instructions.
  • Rich Peripherals: DMA, I2S, and PWM enable complex system integration.
  • Large Memory: 256KB flash and 32KB RAM support advanced applications.

IoT Edge Devices

Low 1.68V operation and 48MHz Cortex-M4 enable battery-powered sensors with efficient processing.

Audio Processing

Integrated I2S interface supports digital audio streaming in wearables and smart speakers.

Portable Medical Devices

256KB flash and 32KB RAM handle complex algorithms for glucose meters and pulse oximeters.

Industrial Sensor Hubs

DMA and multiple peripherals allow simultaneous data acquisition from various sensors.

Smart Home Controllers

Low power consumption and rich connectivity options suit Zigbee/Thread-based gateways.

Wearable Technology

Compact 100-TQFP and 1.68V supply enable slim, energy-efficient fitness trackers.

Q: What is the core processor?
A: It uses an ARM Cortex-M4 core.
Q: What is the supply voltage range?
A: It operates from 1.68V to 3.6V.
Q: What is the maximum speed?
A: The CPU runs at up to 48MHz.
Q: What package is available?
A: It comes in a 100-TQFP package.
Q: Does it support DMA?
A: Yes, it includes DMA controllers.
Base Product Number : ATSAM4LS4CA
256KB Flash 32-bit MCU 32KB RAM 48MHz ARM Cortex-M4 audio DMA I2S IoT low power PWM TQFP-100 wearable
Q: What is the core processor?
A: It uses an ARM Cortex-M4 core.
Q: What is the supply voltage range?
A: It operates from 1.68V to 3.6V.
Q: What is the maximum speed?
A: The CPU runs at up to 48MHz.
Q: What package is available?
A: It comes in a 100-TQFP package.
Q: Does it support DMA?
A: Yes, it includes DMA controllers.