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Product attributes Property Value
Manufacturer Microchip Technology
Product Series SAM3N
Packaging Tray |
Core Processor ARM® Cortex®-M3
Core Size 32-Bit Single-Core
Speed 48MHz
Connectivity I2C, IrDA, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 79
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 8K x 8
Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.6V
Data Converters A/D 16x10b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 100-TFBGA (9x9)
Package / Case 100-TFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATSAM3N0CA-CU is a 32-bit microcontroller from Microchip based on the ARM Cortex-M3 core. It operates at up to 48MHz with a supply voltage range of 1.62V to 3.6V. The device provides 32KB of flash memory and 8KB of SRAM, along with peripherals such as DMA, PWM, and multiple serial interfaces. Housed in a compact 100-TFBGA package, it is designed for space-constrained embedded applications requiring balanced performance and power efficiency.

  • Efficient 32-bit processing: ARM Cortex-M3 core at 48MHz delivers high throughput for control and data processing tasks.
  • Low voltage operation: Supports 1.62V supply, enabling battery-powered designs with extended runtime.
  • Rich peripheral set: DMA, PWM, and WDT reduce CPU load and enhance system reliability.
  • Compact package: 100-TFBGA saves PCB area for miniaturized products.

Industrial Control Systems

The 48MHz Cortex-M3 core with DMA enables efficient handling of multiple sensor inputs and actuator outputs in PLCs and industrial automation.

Portable Medical Devices

Low voltage operation (1.62V) and low power consumption make it suitable for battery-powered monitoring equipment.

Smart Metering

Integrated PWM and WDT support precise measurement and reliable long-term operation in energy metering applications.

Motor Control

PWM outputs and fast interrupt handling allow smooth control of brushless DC motors in consumer appliances.

IoT Edge Nodes

With 32KB flash and 8KB RAM, it can run lightweight protocols for sensor data aggregation and preprocessing.

Automotive Body Electronics

Wide temperature range (-40°C to 85°C) and robust reset features make it viable for non-critical automotive modules.

Q: What is the core processor of the ATSAM3N0CA-CU?
A: It uses an ARM Cortex-M3 core running at up to 48 MHz.
Q: What is the operating voltage range?
A: It operates from 1.62V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 32KB flash and 8KB RAM.
Q: What package is available?
A: It comes in a 100-TFBGA package.
Q: Does it include DMA and PWM?
A: Yes, it features DMA, PWM, POR, WDT, and brown-out detection.
Base Product Number : ATSAM3N0CA
32-bit 32KB Flash 48MHz 8KB RAM ARM Cortex-M3 Industrial IoT MCU Motor Control TFBGA-100
Q: What is the core processor of the ATSAM3N0CA-CU?
A: It uses an ARM Cortex-M3 core running at up to 48 MHz.
Q: What is the operating voltage range?
A: It operates from 1.62V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 32KB flash and 8KB RAM.
Q: What package is available?
A: It comes in a 100-TFBGA package.
Q: Does it include DMA and PWM?
A: Yes, it features DMA, PWM, POR, WDT, and brown-out detection.