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Product attributes Property Value
Manufacturer Microchip Technology
Product Series SAM3N
Packaging Tray | NULL
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-LQFP (14x14)
Package / Case 100-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATSAM3N0CA-AU is a 32-bit ARM Cortex-M3 microcontroller with 32KB Flash and 8KB RAM. It operates from 1.62V to 3.6V at 48MHz, featuring Brown-out Reset, DMA, POR, PWM, and WDT. Housed in a 100-pin LQFP, it is designed for complex embedded applications.

  • ARM Cortex-M3: Industry-standard architecture with rich ecosystem.
  • High I/O count: 100-pin LQFP for peripheral-rich designs.
  • DMA support: Efficient data movement without CPU intervention.
  • Wide voltage range: 1.62V to 3.6V for flexible power design.

Industrial HMI Panels

The 100-pin LQFP provides ample I/O for touchscreen interfaces and display control.

Building Automation

48MHz ARM core and DMA handle BACnet or Modbus protocols in HVAC controllers.

Medical Monitoring

Low voltage (1.62V) and 8KB RAM support portable ECG or SpO2 devices.

Networking Gateways

With 32KB Flash, it can run embedded Ethernet or CAN bridges.

Test & Measurement

High-speed ADC and PWM enable waveform generation in benchtop instruments.

Robotics

Multiple timers and PWM channels allow servo control for articulated arms.

Q: What core does it use?
A: It uses the ARM Cortex-M3 processor.
Q: What is the maximum speed?
A: It runs at up to 48MHz.
Q: What is the supply voltage?
A: It operates from 1.62V to 3.6V.
Q: How much Flash and RAM?
A: It has 32KB Flash and 8KB RAM.
Q: What package is available?
A: It comes in a 100-pin LQFP package.
Base Product Number : ATSAM3N0CA
32-bit MCU 32KB Flash 48MHz 8KB RAM ARM Cortex-M3 ATSAM3N0CA DMA HMI industrial LQFP-100 PWM
Q: What core does it use?
A: It uses the ARM Cortex-M3 processor.
Q: What is the maximum speed?
A: It runs at up to 48MHz.
Q: What is the supply voltage?
A: It operates from 1.62V to 3.6V.
Q: How much Flash and RAM?
A: It has 32KB Flash and 8KB RAM.
Q: What package is available?
A: It comes in a 100-pin LQFP package.