Microchip Technology ATSAM4LC2BA-AU

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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 43
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 ATSAM4LC2BA-AU from Microchip is a low-power ARM Cortex-M4 microcontroller with 128KB flash and 32KB SRAM. It operates at 48 MHz with a voltage range of 1.68V to 3.6V. The 64-TQFP package includes an LCD controller, DMA, and I2S, making it suitable for metering and portable applications.

  • Integrated LCD controller – eliminates external display driver ICs.
  • ARM Cortex-M4 core – provides DSP capabilities for signal processing.
  • Low supply voltage (1.68V) – extends battery life in portable devices.
  • DMA controller – offloads CPU for efficient data transfer.

Smart Meters

Integrated LCD controller and DMA enable efficient display and data logging.

Medical Devices

Low-power Cortex-M4 with 128KB flash supports complex algorithms for portable diagnostics.

Industrial HMI

LCD interface and PWM outputs drive user interfaces and motor controls.

IoT Edge Nodes

I2S interface supports audio sensors; 32KB SRAM buffers data for cloud upload.

Wearable Electronics

Low voltage (1.68V) and small TQFP package fit compact, battery-operated designs.

Building Automation

Multiple communication peripherals enable integration with HVAC and lighting systems.

Q: What core does the ATSAM4LC2BA-AU use?
A: It uses an ARM Cortex-M4 processor.
Q: What is the maximum speed?
A: It runs at up to 48 MHz.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD controller for direct glass LCD driving.
Q: What is the package type?
A: It comes in a 64-TQFP package.
Base Product Number : ATSAM4LC2BA
128KB Flash 32-bit 48MHz ARM Cortex-M4 IoT LCD low power medical Microchip TQFP
Q: What core does the ATSAM4LC2BA-AU use?
A: It uses an ARM Cortex-M4 processor.
Q: What is the maximum speed?
A: It runs at up to 48 MHz.
Q: Does it have an LCD controller?
A: Yes, it includes an LCD controller for direct glass LCD driving.
Q: What is the package type?
A: It comes in a 64-TQFP package.