Microchip Technology ATSAM4LS2BA-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 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 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 ATSAM4LS2BA-AUR is a low-power ARM Cortex-M4 microcontroller from Microchip. It features a 48MHz core, 128KB Flash, and 32KB RAM. With DMA, I2S, PWM, and multiple serial interfaces, it is designed for efficient data handling in portable and industrial applications. The 64-TQFP package offers a compact footprint.

  • Efficient Cortex-M4 core: Provides DSP capabilities at low power.
  • DMA controller: Offloads data movement from the CPU, improving throughput.
  • I2S interface: Simplifies connection to audio codecs and digital microphones.
  • Compact 64-TQFP: Suitable for space-limited PCB layouts.

Sensor Fusion Hubs

DMA and low power modes allow continuous data collection from multiple sensors.

Portable Audio Devices

The I2S interface enables high-quality digital audio streaming.

Industrial Process Control

PWM outputs and 48MHz processing handle real-time control loops.

Wireless Communication Nodes

Low voltage operation pairs well with battery-powered RF transceivers.

Data Loggers

Large RAM and DMA support buffering of high-speed ADC samples.

Medical Monitoring

Reliable operation and low power suit continuous patient monitoring devices.

Q: What is the difference between ATSAM4LS2BA and ATSAM4LC2BA?
A: The LS variant does not include the LCD controller, but shares the same core and memory.
Q: What is the maximum clock speed?
A: The ARM Cortex-M4 core runs at up to 48MHz.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for peripheral data transfers.
Q: What package is it available in?
A: It comes in a 64-TQFP package.
Base Product Number : ATSAM4LS2BA
32-bit MCU 48MHz ARM Cortex-M4 audio DMA I2S industrial low power PWM sensor hub TQFP-64
Q: What is the difference between ATSAM4LS2BA and ATSAM4LC2BA?
A: The LS variant does not include the LCD controller, but shares the same core and memory.
Q: What is the maximum clock speed?
A: The ARM Cortex-M4 core runs at up to 48MHz.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for peripheral data transfers.
Q: What package is it available in?
A: It comes in a 64-TQFP package.