Microchip Technology ATSAM3N00BA-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 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 4K 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 ATSAM3N00BA-AUR from Microchip is a 32-bit ARM Cortex-M3 microcontroller optimized for cost-sensitive embedded control. It operates at up to 48MHz with 16KB flash and 4KB SRAM, supporting a wide 1.62V to 3.6V supply range. The 64-LQFP package offers ample GPIOs for peripheral integration. Built-in DMA, PWM, and watchdog timer reduce system complexity and enhance reliability.

  • Ultra-low voltage operation (1.62V) – enables direct battery operation without a regulator.
  • ARM Cortex-M3 core – industry-standard architecture with broad toolchain support.
  • Integrated DMA – reduces CPU load for data streaming applications.
  • Compact 64-LQFP – balances pin count with board space efficiency.

Portable Medical Devices

The low 1.62V minimum supply voltage and 48MHz Cortex-M3 core enable energy-efficient processing for glucose meters and pulse oximeters.

Industrial Sensor Nodes

With DMA and PWM, it can handle multiple analog sensor inputs and generate precise control signals while offloading the CPU.

Smart Home Controllers

The 64-LQFP package provides enough I/O for interfacing with Zigbee or Sub-GHz radios, while the WDT ensures reliable long-term operation.

Battery-Powered Data Loggers

Its wide voltage range and low-power sleep modes make it ideal for field data logging with extended battery life.

Motor Control for Small Appliances

The PWM and POR features support simple brushless DC motor control in fans or pumps.

Security Keypads

Brown-out detection and reset circuitry ensure secure boot-up and stable operation in access control systems.

Q: What is the core processor of the ATSAM3N00BA-AUR?
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, suitable for battery-powered designs.
Q: How much flash and RAM does it have?
A: It has 16KB flash and 4KB SRAM.
Q: What package is available?
A: It comes in a 64-LQFP package.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for efficient data transfer.
Base Product Number : ATSAM3N00BA
16KB Flash 32-bit MCU 48MHz 4KB SRAM 64-LQFP ARM Cortex-M3 DMA industrial low voltage medical PWM
Q: What is the core processor of the ATSAM3N00BA-AUR?
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, suitable for battery-powered designs.
Q: How much flash and RAM does it have?
A: It has 16KB flash and 4KB SRAM.
Q: What package is available?
A: It comes in a 64-LQFP package.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for efficient data transfer.