VisionSOM-RT is an Industrial System-on-Module based on NXP i.MX RT Arm Cortex-M7 Processor

It’s hard to keep up with all the systems-on-module based on Arm Cortex-A “application class” processors, but so far I can’t remember seeing any Arm Cortex-M “microcontroller class” SoM.

However, SoMLabs is currently working on VisionSOM-RT, a system-on-module based on NXP i.MX RT 1050 Arm Cortex-M7 processor clocked at 600 MHz. NXP i.MX RT series processors are actually promoted as a “crossover” processor delivering application processor performance with real-time capabilities right at the edge between the two classes of processors.


VisionSOM-RT (SLS12Rx) module preliminary specifications:

  • SoC- NXP i.MX RT Arm Cortex-M7 processor @ up to 600MHz with NXP PXP 2D graphics accelerator, and Graphics Engine PXP PiXel processing pipeline for imagine resize, rotation, overlay and color space conversion.
  • Memory – 512kB on-chip RAM memory, up to 32MB SDRAM
  • Storage – Up to 16MB QuadSPI flash, optional 4GB eMMC flash
  • 200-pin SO-DIMM edge connector with
    • Display Interface – 8/16/24-bit Parallel RGB up to 1366 x 768 (WXGA)
    • Networking – 10/100Mbit/s Ethernet (PHY required on based board)
    • USB – 2x USB 2.0 OTG
    • Low speed I/Os – Up to 4x I2C, up to 4x SPI, up to 2x FlexCAN, up to 8x UART
    • Analog – 2x 12-bit ADC modules (up to 16 input channels)
    • Audio interfaces – 3x I2S/SAI, S/PDIF Tx/Rx
  • Security
    • Advanced Security – High Assurance Boot (HAB), True random number generation (TRNG)
    • Data Co-Processor (DCP) – AES-128, ECB, CBC mode, SHA-1, SHA-256, CRC-32
    • Bus Encryption Engine (BEE) – AES-128, ECB, CTR mode, On-the-fly QSPI Flash decryption
  • Misc – Built-in RTC
  • Power Supply – 5V DC
  • Dimensions – 67 x 32 x 4 mm
  • Temperature Range – Industrial:  –40 to +85°C

The module will support FreeRTOS real-time operating systems, and the company claims Altium Designer’s library file is available for all SoM variants (Schematics and PCB layout).

The module will be compatible with the company’s VisionCB-STD
carrier board exposing an Ethernet port, two USB 2.0 ports, Arduino headers, a 24-bit RGB LCD display connector, as well as a few buttons, a micro USB console port, and a 40-pin Raspberry Pi header. The Wiki has more details about the carrier board.

SoMLabs explains the SoM targets home and industrial control systems, wireless application, communication solutions and real-time systems.

VisionSOM-RT system-on-module is in the final stages of development, and should become  available in September 2018. A few more details may be found on the product page.

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