Microchip Technology ATSAM4LS2CA-CFU

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series SAM4L
Packaging Tray | Tray
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 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 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-VFBGA (7x7)
Package / Case 100-VFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATSAM4LS2CA-CFU from Microchip Technology is a low-power 32-bit microcontroller built on the ARM Cortex-M4 core. It operates at up to 48MHz with a supply voltage range of 1.68V to 3.6V, making it ideal for energy-sensitive applications. It provides 128KB of flash memory and 32KB of RAM, along with peripherals such as DMA, I2S, PWM, and WDT. Housed in a compact 100-VFBGA package, it is designed for space-constrained industrial and portable devices.

  • Ultra-low power consumption: The 1.68V minimum supply and sleep modes extend battery life in portable designs.
  • High-performance core: The 48MHz Cortex-M4 provides efficient signal processing and fast response times.
  • Rich peripheral set: DMA and I2S enable complex data streaming without CPU overhead.
  • Compact footprint: The 100-VFBGA package saves PCB space for miniaturized products.

Industrial Sensor Hub

Aggregate multiple analog and digital sensors using the DMA controller to stream data without CPU intervention, reducing power consumption in battery-powered loggers.

Portable Medical Device

The low-voltage operation (1.68V) and low-power sleep modes enable compact, coin-cell-powered glucose meters or pulse oximeters with reliable brown-out detection.

Audio Processing Node

With I2S support and a 48MHz Cortex-M4, it can handle real-time audio codec interfacing for voice-controlled smart home devices.

Motor Control Unit

PWM channels and WDT ensure safe, deterministic control of small DC motors in robotics, with DMA for efficient sensor feedback loops.

Smart Metering

The wide voltage range and robust POR make it suitable for utility meters that must operate reliably across varying line conditions.

Wearable Fitness Tracker

Its small 100-VFBGA footprint and low-power features allow for a compact PCB design with extended battery life.

Q: What is the core processor of the ATSAM4LS2CA-CFU?
A: It uses an ARM Cortex-M4 core running at up to 48MHz.
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 128KB flash and 32KB RAM.
Q: What package is available?
A: It comes in a 100-VFBGA package.
Q: Does it support DMA and I2S?
A: Yes, it includes DMA and I2S peripherals.
Base Product Number : ATSAM4LS2CA
100-VFBGA 128KB Flash 32-bit MCU 32KB RAM 48MHz ARM Cortex-M4 Audio DMA I2S Industrial Low Power Medical
Q: What is the core processor of the ATSAM4LS2CA-CFU?
A: It uses an ARM Cortex-M4 core running at up to 48MHz.
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 128KB flash and 32KB RAM.
Q: What package is available?
A: It comes in a 100-VFBGA package.
Q: Does it support DMA and I2S?
A: Yes, it includes DMA and I2S peripherals.