VisionSOM-iMX91 (SLS17)
i.MX91 NXP ARM Cortex-A55 core industrial SoM computer

  • Powered by NXP i.MX91 application processor
  • Single core ARM Cortex-A55 (at speed up to 1.4GHz)
  • Up to 2GB LPDDR4
  • Up to 32GB eMMC
  • Parallel 24-bit RGB display interface (up to 1366x768p60 or 1280x800p60)
  • 2 x 1Gbit Ethernet
  • up to 2 x CAN-FD
  • up to 2 x I3C serial interfaces
  • up to 8 x UARTs
  • up to 8 x low power SPI
  • up to 8 x I2C
  • Optional Murata 802.11b/g/n Wi-Fi and Bluetooth v5.1 module
  • Power-efficient and cost-optimized solution
  • Ideal for industrial IoT and embedded applications
  • Integrated security features
  • Yocto/Debian support

The VisionSOM-iMX91 (SLS17) family comprises SODIMM-sized System-on-Modules based on the NXP i.MX 91 application processor. The processor integrates a single Arm Cortex-A55 core operating at frequencies of up to 1.4 GHz, a 16-bit LPDDR4 memory interface, a 24-bit parallel RGB display interface supporting resolutions of up to 1366 × 768 at 60 Hz or 1280 × 800 at 60 Hz, an 8-bit parallel camera interface, two CAN FD controllers, two Gigabit Ethernet interfaces and advanced hardware security features.

The VisionSOM-iMX91 is a highly integrated, general-purpose System-on-Module designed for energy-efficient Linux-based embedded applications. An optional, fully certified wireless module provides 2.4 GHz Wi-Fi connectivity compliant with IEEE 802.11b/g/n and Bluetooth Low Energy 5.1. This option simplifies carrier-board design and makes the module particularly suitable for connected and wireless applications.

The VisionSOM-iMX91 is available in various memory configurations, including a flexible range of LPDDR4 memory and eMMC flash capacities.

The VisionSOM-iMX91 supports a wide range of interfaces, including:

  • two high-speed USB 2.0 On-The-Go interfaces with integrated PHYs;
  • two 10/100/1000 Mb/s Ethernet interfaces;
  • up to two I3C interfaces;
  • up to eight UART, eight I²C and eight SPI interfaces;
  • a 24-bit parallel RGB display interface;
  • an 8-bit parallel camera interface;
  • two CAN FD interfaces;
  • digital audio and other standard peripheral interfaces.

The module is suitable for industrial-grade embedded applications requiring low power consumption, Linux support, reliable communication interfaces and advanced hardware security.

For evaluation and prototyping, we recommend using the dedicated VisionCB-iMX93-STD carrier board.

Features VisionSOM-iMX91
CPU
CPU Name i.MX9131
Application Domain Single core ARM Cortex-A55 (at speed up to 1.4GHz)
Memory
RAM (Application Domain) up to 2GB LPDDR4
Flash (Application Domain) up to 32 GB eMMC
Display
Interface #3 24-b parallel RGB (up to 1366x768p60 or 1280x800p60)
Camera
Interface 8-bit parallel YUV/RGB
Networking
Ethernet 2 x 10/100/1000
WiFi 802.11b/g/n
BLE Bluetooth v5.1
Connectivity
I3C up to 2x
I2C up to 8x
SPI up to 8x
UART up to 8x
USB 2 x USB-OTG 2.0
Audio
Digital Interfaces up to 4xI2S TDM (up to 32-bit/768 kHz)
Digital Microphones up to 8xPDM
Audio output MQS
Security
EdgeLock secure enclave
ARM Trust Zone Yes
BBSM Yes
TRDC Yes
OS Support
Application Domain Linux/Debian
Temperature Range
Industrial -40 to +85oC
Power Supply
Input Voltage 5V DC
Mechanical Dimension
SOM Size 67mm x 32mm x 4.2mm
Mechanical Connectors
Antenna connector for Wi-Fi/BLE U.FL on SOM
SoM Footprint SODIMM200
Other
Altium Designer’s library file is available for all SoM variants (SCH and PCB)
Block diagram

VisionSOM-iMX91 (SLS17)
i.MX91 NXP ARM Cortex-A55 core industrial SoM computer

Carrier Board (CB) for the VisionSOM-iMX93 with following main features:

 

  • 1xUSB Host
  • 1xUSB-OTG
  • 2x 10/100/1000 Mbit Ethernet
  • MIPI-DSI and LVDS display connectors
  • MIPI-CSI for digital camera
  • Stereo audio codec
  • CAN interface with physical layer
  • RS-485 interface with physical layer

Standard SODIMM 200 DDR2, 1.8V socket

TE Part # 1473005-4

Compact Switching DC Power Supply 12V/2A with DC 5.5×2.1 connector and EU plug

2.4/5GHz Balance Flex Antenna with solder cable, U.FL connector, Molex 146153-0100

2.4GHz Flex Antenna with solder cable, U.FL connector, Taoglas  FXP70.07.0053A

2.4GHz Wi-Fi Antenna, 5dBi, U.FL connector, 190mm Width

SLS17X91SCN_1400C_01GR_04GE_0SF_E


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