Microchip Technology ATSAM3N1BB-AUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series SAM3N
Packaging Cut Tape (CT) | 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 47
Program Memory Size 64KB (64K 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 10x10b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATSAM3N1BB-AUR is a 32-bit ARM Cortex-M3 microcontroller from Microchip, running at 48MHz. It provides 64KB flash and 8KB RAM, with DMA, PWM, and brown-out detection. Operating from 1.62V to 3.6V, it is designed for cost-sensitive, high-performance embedded control.

  • High performance: 48MHz Cortex-M3 core delivers efficient processing for complex tasks.
  • Low power: Multiple sleep modes and wide voltage range optimize energy consumption.
  • Compact design: 64-LQFP package saves board space.
  • Rich peripherals: DMA, PWM, and multiple timers reduce external components.

Industrial Automation

High-speed 48MHz Cortex-M3 core with DMA enables fast, deterministic control of motors and sensors.

Consumer Electronics

Low voltage operation and small 64-LQFP package fit compact, battery-powered devices.

IoT Edge Nodes

Rich peripheral set and low power modes support sensor fusion and wireless protocol stacks.

Medical Monitoring

Reliable operation over -40°C to 85°C and PWM for actuator control in portable health devices.

Automotive Aftermarket

Robust brown-out detection and wide voltage range suit car accessories and diagnostics.

Smart Home Controllers

Multiple timers and communication interfaces manage lighting, security, and climate systems.

Q: What core does this MCU use?
A: ARM Cortex-M3.
Q: What is the maximum clock speed?
A: 48MHz.
Q: How much RAM is available?
A: 8KB.
Q: What is the supply voltage range?
A: 1.62V to 3.6V.
Base Product Number : ATSAM3N1BB
32-bit MCU 48MHz 64-LQFP ARM Cortex-M3 ATSAM3N1BB ATSAM3N1BB-AUR industrial IoT low power Microchip
Q: What core does this MCU use?
A: ARM Cortex-M3.
Q: What is the maximum clock speed?
A: 48MHz.
Q: How much RAM is available?
A: 8KB.
Q: What is the supply voltage range?
A: 1.62V to 3.6V.