Microcontroller AT91SAM3X8E Operating Voltage 3.3V Input Voltage (recommended) 7-12V Input Voltage (limits) 6-16V Digital I/O Pins 54 (of which 12 provide PWM output) Analog Input Pins 12 Analog Output Pins 2 (DAC) Total DC Output Current on all I/O lines 130 mA DC Current for 3.3V Pin 800 mA DC Current for 5V Pin 800 mA Flash Memory 512 KB all available for the user applications SRAM 96 KB (two banks: 64KB and 32KB) Clock Speed 84 MHz Length 101.52 mm Width 53.3 mm Weight 36 g
Source: https://store.arduino.cc/usa/due
Features
- Core
ARM Cortex-M3 revision 2.0 running at up to 84 MHz
Memory Protection Unit (MPU)
Thumb (R) -2 instruction set
24-bit SysTick Counter
Nested Vector Interrupt Controller- Memories
256 to 512 Kbytes embedded Flash, 128-bit wide access, memory accelerator, dual bank
32 to 100 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. NFC with 4 Kbyte RAM buffer and ECC- System
Embedded voltage regulator for single supply operation
Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog for safe reset
Quartz or ceramic resonator oscillators: 3 to 20 MHz main and optional low power 32.768 kHz for RTC or device
clock
High precision 8/12 MHz factory trimmed internal RC oscillator with 4 MHz default frequency for fast device
startup
Slow Clock Internal RC oscillator as permanent clock for device clock in low-power mode
One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Mini Host/Device
Temperature Sensor
Up to 17 peripheral DMA (PDC) channels and 6-channel central DMA plus dedicated DMA for High-Speed USB
Mini Host/Device and Ethernet MAC- Low-power Modes
Sleep, Wait and Backup modes, down to 2.5 μA in Backup mode with RTC, RTT, and GPBR- Peripherals
USB 2.0 Device/Mini Host: 480 Mbps, 4 Kbyte FIFO, up to 10 bidirectional Endpoints, dedicated DMA
Up to 4 USARTs (ISO7816, IrDA ® , Flow Control, SPI, Manchester and LIN support) and one UART
2 TWI (I2C compatible), up to 6 SPIs, 1 SSC (I2S), 1 HSMCI (SDIO/SD/MMC) with up to 2 slots
9-channel 32-bit Timer Counter (TC) for capture, compare and PWM mode, Quadrature Decoder Logic and 2-bit
Gray Up/Down Counter for Stepper Motor
Up to 8-channel 16-bit PWM (PWMC) with Complementary Output, Fault Input, 12-bit Dead Time Generator
Counter for Motor Control
32-bit low-power Real-time Timer (RTT) and low-power Real-time Clock (RTC) with calendar and alarm features
256-bit General Purpose Backup Registers (GPBR)
16-channel 12-bit 1 msps ADC with differential input mode and programmable gain stage
2-channel 12-bit 1 msps DAC
Ethernet MAC 10/100 (EMAC) with dedicated DMA
2 CAN Controllers with 8 Mailboxes
True Random Number Generator (TRNG)
Register Write Protection- I/O
Up to 103 I/O lines with external interrupt capability (edge or level sensitivity), debouncing, glitch filtering and on-
die Series Resistor Termination
Up to six 32-bit Parallel Input/Outputs (PIO)