Arduino Due specifications are very undervalued

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

Datasheet:

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)

I don't understand you point. Are you saying the due specifications from Arduino are wrong or not complete enough?

If wrong, which items are in error?

If the complaint is the provided specification doesn't list all the possible specifications, then that is what the processor datasheet is for.

Yes, the data on the site is quite simplified, so people may end up looking for other boards with greater capacity, but maybe the Due board would be enough. I made this post for those who search about the specifications and only find what is on the site.

P.S.: And even if the Due board is not taking advantage of all the capacity of this microcontroller, it may be interesting to make a customized board with this microcontroller.

People who do not click on the datasheet link on the Arduino Due page will probably not find your post. There is no new information in your post and some of it is wrong because it is not true for the Arduino Due but for other devices or support is missing.
If you had tested a some advanced features of the Due and posted a short description, getting started or tutorial that could be really useful.

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