Microchip Technology ATSAM4LC8CA-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, LCD, POR, PWM, WDT
Number of I/O 75
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 64K 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 ATSAM4LC8CA-CFU is a low-power ARM Cortex-M4 microcontroller from Microchip, designed for battery-operated and display-centric applications. It combines 512KB flash and 64KB RAM with an integrated LCD controller, making it ideal for portable instruments and smart meters. Its wide voltage range and rich peripheral set enable flexible system design.

  • Ultra-low power consumption: 1.68V operation extends battery life in portable designs.
  • Integrated LCD controller: Eliminates external display driver ICs, reducing cost and board space.
  • High memory density: 512KB flash supports complex firmware and data logging.
  • DSP-enhanced Cortex-M4: Enables efficient signal processing for sensor applications.

Portable Medical Devices

The low 1.68V minimum supply and Cortex-M4 DSP capabilities enable battery-powered glucose meters and pulse oximeters with on-device signal processing.

Industrial Sensor Nodes

With 512KB flash and DMA, it can aggregate multiple analog sensors and transmit data over industrial buses while maintaining low power consumption.

Smart Metering Displays

The integrated LCD controller directly drives segmented displays, reducing BOM cost for utility meters that need clear readouts.

Wearable Health Monitors

Its 64KB RAM supports real-time biometric algorithms, while the 1.68V operation extends battery life in compact wearables.

Building Automation Controllers

PWM and WDT features support HVAC damper control and safety monitoring in 24V-powered systems.

Handheld Test Equipment

The 48MHz speed and I2S interface allow for portable oscilloscopes and logic analyzers with audio output.

Q: What is the core processor of the ATSAM4LC8CA-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: Does it support LCD displays?
A: Yes, it includes an LCD controller for direct glass LCD driving.
Q: What package is available?
A: It comes in a 100-VFBGA package.
Base Product Number : ATSAM4LC8CA
100-VFBGA 32-bit MCU ARM Cortex-M4 LCD controller low power Microchip portable medical smart metering
Q: What is the core processor of the ATSAM4LC8CA-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: Does it support LCD displays?
A: Yes, it includes an LCD controller for direct glass LCD driving.
Q: What package is available?
A: It comes in a 100-VFBGA package.