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Y1870 • Microchip ATSAM3XEA-AU Microcontroller 144 Pin LQFP 


Cat. Page 334


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Last updated 14-02-19 11:21:46

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Arduino Due Development Board


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  • Overview
  • Specifications


Based on the ARM« Cortex«-M3 processor, the Microchip's SAM3X8E runs at 84MHz and features 512KB of flash memory in 2 x 256KB banks and 100KB of SRAM in 64KB +32KB banks, with an additional 4KB as NFC (NAND Flash controller) SRAM.

Its highly-integrated peripheral set for connectivity and communication includes Ethernet, dual CAN, High Speed USB MiniHost and device with on-chip PHY, high-speed SD/SDIO/MMC, and multiple USARTs, SPIs, TWIs (I2C), and one I2S.

The SAM3X8E also features a 12-bit ADC/DAC, temperature sensor, 32-bit timers, PWM timer and RTC. The 16-bit external bus interface supports SRAM, PSRAM, NOR and NAND Flash with error code correction.

The Microchip QTouch Library is available for the SAM3X8E for easy implementation of buttons, sliders and wheels.

The device operates from 1.62V to 3.6V and is available in a 144-pin QFP
As used in the Arduino Due.


  • ARM Cortex-M3 revision 2.0 running at up to 84 MHz
  • Memory Protection Unit (MPU)
  • 24-bit SysTick Counter
  • Thumb«-2 instruction set
  • Nested Vector Interrupt Controller
  • 2 x 256Kbytes embedded Flash, 128-bit wide access, memory accelerator, dual bank
  • 100(64+32) Kbytes embedded SRAM with dual banks
  • 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
  • Static Memory Controller (SMC): SRAM, NOR, NAND support.
  • NAND Flash controller with 4 Kbytes RAM buffer and ECC
  • External Bus Interface - 16 bits, 8 chip selects, 23-bit address


  • Family ATSAM3X8E
  • Max Speed MHz 84
  • Program Memory Size (KB) 512
  • RAM (KB) 96
  • SD/eMMC 1
  • Temperature Range (C) -40 to 85
  • Operating Voltage Range (V) 1.62 to 3.6
  • DMA Channels 23
  • SPITM 4
  • I2CTM Compatible 2
  • Peripheral Pin Select (PPS) Crossbar Yes
  • Type of Ethernet Modules 10/100 Base-TX Mac
  • USB 1
  • Number of CAN modules 2
  • A/D channels 16
  • Max A/D Resolution 12
  • Max A/D Sample Rate (KSPS) 1000
  • Number of DACs 1
  • Input Capture 6
  • Parallel Port EBI
  • Internal Oscillator 4,8,12Mhz,32Khz
  • RTCC Yes
  • I/O Pins 103
  • Pin Count 144
  • Quadrature Encoder Interface (QEI) 2

*Specifications are subject to change without notice.

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