Products > Integrated Circuits (ICs) > Embedded Processors & Controllers > ATSAM3N00AA-AU

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ARM Microcontrollers - MCU LQFP, Green, IND TEMP, MRL a

  • Package/Case :
  • LQFP-48
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ATSAM3N00AA-AU Product Details

The Atmel® SAM3N00A is a member of the Atmel SAM3N series of microcontrollers based on the high-performance 32-bit ARM® Cortex™-M3 RISC processor. It operates at a maximum speed of 48MHz and features 16KB of Flash and 4KB of SRAM. The peripheral set includes an USART, two UARTs, two SPIs, two TWIs, PWM timer, six 16-bit timers, RTC and a 10-bit ADC. The SAM3N00A is ready for capacitive touch thanks to the Atmel QTouch® Library, offering an easy way to implement buttons, sliders and wheels. It operates from 1.62V to 3.6V and is available in 48-pin LQFP and QFN packages. 



    Microcontroller Features


    • ARM Cortex-M3 revision 2.0 running at up to 48 MHz

    • Memory Protection Unit (MPU)

    • 24-bit SysTick Counter

    • Nested Vector Interrupt Controller

    • DSP Instructions, Thumb®-2 instruction set


    • 16 Kbytes embedded Flash, 128-bit wide access, memory accelerator, single plane

    • 4 Kbytes embedded SRAM

    • 16 Kbytes ROM with embedded boot loader routines (UART, USB) and IAP routines


    • Embedded voltage regulator for single-supply operation

    • Power-on-Reset (POR), Brown-out Detector (BOD) and Dual Watchdog for Safe Operation

    • Quartz or ceramic resonator oscillators: 3 to 20 MHz with clock failure detection and 32.768 kHz for RTT or system clock

    • Slow clock internal RC oscillator as permanent low-power mode device clock

    • High-precision 8/12 MHz factory-trimmed internal RC oscillator with 4 MHz default frequency for device startup, in-application trimming access for frequency adjustment
    • One PLL up to 130 MHz for device clock

    • 8 Peripheral DMA (PDC) channels

    Low Power modes

    • Sleep, Wait, and Backup modes, down to 1.2 μA in Backup mode with RTC, RTT, and 256-bit GPBR


    • 48-lead LQFP – 7 x 7 mm, pitch 0.5 mm

    • 48-pad QFN – 7 x 7 mm, pitch 0.5 mm

    Temperature operating range

    • Industrial (-40° C to +85° C)
    Peripheral Features

    • 1 USARTs with RS-485 and SPI mode support. One USART (USART0) has ISO7816, IrDA® and PDC support in addition

    • Two 2-wire UARTs

    • Two 2-wire Interfaces (I2C compatible)

    • One SPI

    • Up to two 3-channel 16-bit Timer Counters with capture, waveform, compare and PWM mode, Quadrature Decoder Logic and 2-bit Gray Up/Down Counter for Stepper Motor

    • 4-channel 16-bit PWM

    • 32-bit low-power Real-time Timer (RTT)

    • Low-power Real-time Clock (RTC) with calendar and alarm features


    • 34 I/O lines with external interrupt capability (edge or level sensitivity), debouncing, glitch filtering and on-die Series Resistor Termination

    • Three 32-bit Parallel Input/Output Controllers

    Analog Features

    • 8 channels, 384 ksps 10-bit ADC

    Debugger Development Support

    • Serial Wire/JTAG Debug Port(SWJ-DP)

    • Debug access to all memories and registers in the system, including Cortex-M4 register bank when the core is running, halted, or held in reset.

    • Serial Wire Debug Port (SW-DP) and Serial Wire JTAG Debug Port (SWJ-DP) debug access.

    • Flash Patch and Breakpoint (FPB) unit for implementing breakpoints and code patches.

    • Data Watchpoint and Trace (DWT) unit for implementing watchpoints, data tracing, and system profiling.

    • Instrumentation Trace Macrocell (ITM) for support of printf style debugging.

    • IEEE1149.1 JTAG Boundary-scan on all digital pins.

    Integrated Software Libraries and Tools

    • ASF-Atmel software Framework – SAM software development framework

    • Integrated in the Atmel Studio IDE with a graphical user interface or available as standalone for GCC, IAR compilers.

    • DMA support, Interrupt handlers Driver support

    • USB, TCP/IP, Wi-Fi and Bluetooth, Numerous USB classes, DHCP and Wi-Fi encryption Stacks

    • RTOS integration, FreeRTOS is a core component

Technical Parameters

  • Core
  • ARM Cortex M3
  • Data Bus Width
  • 32 bit
  • Maximum Clock Frequency
  • 48 MHz
  • Program Memory Size
  • 16 KB
  • Data RAM Size
  • 4 KB
  • On Chip ADC
  • Yes
  • Operating Supply Voltage
  • 1.8 V to 3.6 V
  • Maximum Operating Temperature
  • + 85 C
  • Package / Case
  • LQFP-48
  • Mounting Style
  • Minimum Operating Temperature
  • - 40 C
  • Processor Series
  • SAM3N
  • Factory Pack Quantity
  • 250

ATSAM3N00AA-AU Documents

  • ATSAM3N00A Technical Documentation of Application Note

ATSAM3N00AA-AU Related Products

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Microchip Technology, Inc

Microchip Technology Inc. is a leading manufacturer of microcontroller and analog products, providing low-risk product development, lower total system cost, and faster time to market for thousands of diverse customer applications worldwide. Microchip offers outstanding technical support along with d...
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