i.MX91 processor

• ARM® Cortex™-A55 @ 1,4GHz

RAM

• LPDDR4 (16bits): 256Mbytes to 2Gbytes (1Gbytes by default)

Storage

• eMMC 8bits: 8 to 64Gbytes (8Gbytes by default)

Wireless connectivity (option)

• Wi-Fi 802.11 abgn, with U.FL connector
• Bluetooth 5.2 (BLE compatible), with U.FL antenna connector

Peripherals ⁽²⁾

• UART: max 8 (one reserved for debugging and one for Bluetooth to forecast)
• CAN FD: max 2 (external PHY to forecast)
• MMC/SD: max 1 (external)
• I2C: max 8
• SPI: max 7
• PWM: max 4
• I2S/SAI: max 3
• SPDIF: max 1
• USB2: 2
• 2 Ethernet 10M/100M/1Gbits (one PHY on board)
• Parallel TFT CMOS output : max 1
• Camera interface parallel CMOS input : max 1
• PDM : max 2 (digital microphone)
• ADC: 4x 12bits channels max (1.8Vdc max)
• GPIO: max 64

Tranceivers

• 1 Ethernet PHY (10/100/1000 Mbits autoMDX)

Power supply

• 3.3 VDC +/- 3% @ 2Amax

Usage conditions

• Temperature: 0°C..+70°C by default; -40°C..+85°C on demand ⁽¹⁾

Mechanical

• Dimensions: 37 x 30 mm
• Connectors: 2x Hirose DF40C-80DP + 1 U.FL (Wi-Fi + BT)
• Pin to pin compatible with OPOS93

RoHS/REACH

Yes

Embedded operating system

• Linux 6.12 or upper
• Zephyr® RTOS ⁽¹⁾
• Bare-metal (no OS) ⁽¹⁾

This SOM is delivered with U-Boot and Linux pre-installed.

⁽¹⁾ On demand for volumes.
⁽²⁾ All peripherals can’t be activated simultaneously due to pin multiplexing. Please read i.MX91 documentation for more details.

Presentation

The OPOS93_Dev is the ideal development platform for prototyping your product based on the OPOS91 module, offering full compatibility with it.

You have access to all our SOM functionalities.

All Linux drivers needed to drive the on board peripherals are available in Armadeus public BSP. Development is eased and does not require supplemental debug hardware.

Functionalities

• 1x USB 2.0 Host port
• 1x USB 2.0 OTG port
• 1x 10/100/1000Mbits Ethernet port
• 1x CAN-FD port
• 1x microSD port
• 1x stereo audio ouput
• 1x user LED
• 4x 12bits ADC inputs
• 1x user button and 1x reset button
• 4x jumpers for Boot selection
• RaspberryPi® shields compatibility

Connectors

• 2x USB2 connectors (C type and A type)
• 1x expansion connector (RPi® compatible)
• 1x 10M/100M/1Gbits
• 1x CAN bus 4pts
• 1x USB-C (power supply and debug)
• 1x 3.5mm jack for stereo audio output
• 1x microSD

Included

• OPOS91 SOM
• USB cable for debug/power supply

Power supply

• Input voltage: 5V DC (USB-C)
• DC/DC converter 3.3V

RoHS

Yes

Price

100€ without taxes

Datasheets

OPOS91 in PDF format

OPOS93Dev in PDF format

Schematics

OPOS93Dev in PDF format

Please choose the desired characteristics for your SOM: