Microchip Technology ATSAM4LS4CA-CFU

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

The ATSAM4LS4CA-CFU from Microchip Technology is a low-power 32-bit MCU built on the ARM Cortex-M4 core. It operates at up to 48 MHz with 256KB flash and 32KB RAM, supporting a wide voltage range from 1.68V to 3.6V. This device includes advanced peripherals such as I2S, DMA, PWM, and multiple watchdog timers, making it suitable for battery-powered and industrial applications. Its compact 100-VFBGA package is ideal for space-constrained designs.

  • Ultra-low power operation: Supports 1.68V supply, extending battery life in portable devices.
  • Efficient processing: ARM Cortex-M4 core at 48MHz provides a balance of performance and energy efficiency.
  • Rich peripheral set: Includes I2S, DMA, and PWM for versatile application development.
  • Reliable operation: Brown-out detection and watchdog timers ensure system stability in harsh environments.

Low-Power IoT Sensor Nodes

The 1.68V minimum supply and 48MHz Cortex-M4 core enable battery-powered sensor nodes that require efficient processing and long sleep cycles.

Portable Medical Devices

With DMA and WDT, it supports reliable data logging from biosensors while maintaining low power consumption for wearable health monitors.

Audio Processing Modules

The integrated I2S interface allows direct connection to audio codecs for compact, high-quality audio playback in consumer electronics.

Industrial Control Systems

Brown-out detection and POR ensure stable operation in industrial environments with fluctuating power supplies, while PWM supports motor control.

Smart Home Controllers

Its small 100-VFBGA package and rich peripheral set make it ideal for centralized control units in smart lighting and HVAC systems.

Data Acquisition Systems

DMA and multiple analog channels enable high-throughput sampling for precision measurement instruments.

Q: What is the core processor of the ATSAM4LS4CA-CFU?
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, suitable for low-power designs.
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 100-VFBGA package.
Q: Does it support audio interfaces?
A: Yes, it includes an I2S peripheral for audio applications.
Base Product Number : ATSAM4LS4CA
100-VFBGA 256KB flash 32-bit 48MHz ARM Cortex-M4 DMA I2S industrial IoT low power MCU medical PWM
Q: What is the core processor of the ATSAM4LS4CA-CFU?
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, suitable for low-power designs.
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 100-VFBGA package.
Q: Does it support audio interfaces?
A: Yes, it includes an I2S peripheral for audio applications.