UCM-iMX91L - NXP i.MX 91 System-on-Module

ARM SoM starting from $29

  • Optimized for industrial applications
  • Ideal solution for cost-sensitive systems
  • UCM pin2pin SOM family pin-out and form-factor

i.MX91 SoM in Ultra Miniature Form-Factor

i.MX91 processor
  • ARM Cortex-A55 CPU, 1.4GHz
  • Up to 2GB LPDDR4 and 64GB eMMC
  • Tiny size and weight - 28 x 30 x 4 mm, 5 gram
  • Availability guaranteed until 2038
UCM-iMX91L SOM

Feature Highlights

  • Gbit Ethernet, RGMII, 2x USB2.0
  • 2x CAN-FD, 7x UART, 2x SDIO
  • 7x SPI, 6x I2C, 4x ADC, 65x GPIO
  • Wide temperature range of -40C to 85C

View full spec

SW support

Yocto Project, Debian Linux and RTOS

  • Full Board Support Package and ready-to-run images
  • Linux kernel, Yocto Project BSP and U-Boot
  • Support for Docker, MS Azure IoT and Node-RED
  • Support for OTA updates with Mender

Get a Head Start on Your Design

SW support
  • Full carrier-board design package - schematics, BOM, PCB layout
  • Direct technical support by Compulab design engineers
  • Proven building blocks for all key interfaces and peripherals
  • Free design review by Compulab engineers
  • Driver adaptation service for custom LCD panels

Why choose Compulab?

15-year Availability

Direct Engineer Support

Linux and Yocto Support

In-House Manufacturing

Industrial Temperature

Configure-to-Order

Learn more about Compulab advantages.

  • "Option" column specifies the configuration code required to have the particular feature.
  • "+" means that the feature is always available

CPU, Memory and Storage
CPUNXP i.MX9131, ARM Cortex-A55, 1.4GHz
C1400
RAM512MB – 2GB, LPDDR4
D
StorageeMMC flash, 8GB - 64GB
N

Network
EthernetGigabit Ethernet port (MAC+PHY)
E
Secondary RGMII
+

I/O
USB2x USB2.0 dual-role ports
+
UARTUp to 7x UART
+
CAN busUp-to 2x CAN-FD
+
SD/SDIO2x SD/SDIO
+
SPIUp to 7x SPI
+
I2CUp to 6x I2C
+
Digital AudioUp-to 2x I2S / SAI
+
S/PDIF input/output
+
ADCUp-to 4x general-purpose ADC channels
+
PWMUp to 6x general purpose PWM signals
+
GPIOUp to 65x GPIO (multifunctional signals shared with other functions)
+

System Logic and Debug
RTCReal time clock, powered by external battery
+
JTAGJTAG debug interface
+

Electrical Specifications
Supply Voltage
3.45V to 5.5V
Digital I/O voltage3.3V / 1.8V
Power consumption0.5 - 2.0 W, depending on system load and board configuration

Mechanical Specifications
Dimensions28 x 30 x 4 mm
Weight5 gram
Connectors2 x 100 pin, 0.4mm pitch

Environmental and Reliability
MTTF> 200,000 hours
Operation temperature (case)Commercial: 0° to 70° C
Extended: -20° to 70° C
Industrial: -40° to 85° C
Storage temperature-40° to 85° C
Relative humidity10% to 90% (operation)
05% to 95% (storage)
Shock50G / 20 ms
Vibration20G / 0 - 600 Hz
UCM-iMX91L - NXP i.MX91 System-on-Module block diagram

Compulab part number specifies all options available for a particular product.

Orderable P/N template: UCM-iMX91L-Cx-Dx-Nx-[E]-[Tx]

Product Configuration Options

FeatureOptionsP/N code
CPU typei.MX9131, single-core 1.4GHzC1400
DRAM size512MB
1GB
2GB		D05
D1
D2
Storage8GB eMMC (MLC)
16GB eMMC (MLC)
32GB eMMC (MLC)
64GB eMMC (MLC)		N8
N16
N32
N64
EthernetNo
Yes		-
E
Temperature rangeCommercial
Industrial Certified
Extended Tested
Industrial Tested		-
TIC
TET
TIT
Software preloadingNo
Yes 		-
Xx