I have not seen displays with 1 data Lane MIPI but they are always 2 data Lane MIPI
but some STM chips have only one 1 data Lane MIPI
Can it be somehow connected like grounding the remaining line.
Hello
Most of STM32MCUs have DSI with 2 data lanes including STM32L4S9 UFBGA144, WLCSP144, UFBGA169 packages.
For certain STM32L4S9 packages (LQFP100 and LQFP144), have a DSI with only 1 data lane.
I think you can find displays with 1 data lane on market as the display used in 32L4R9IDISCOVERY board "1.2” 390x390 pixel AMOLED round display" which supports only 1 data lane.
Note that, in this case it is display limitation not STM32 MCU limitation because the STM32L4R9AII6 supports MIPI® DSI 2-lanes .
If your display requires more lanes than your chip supports, you need to contact the display manufacturer to check if the display can be configured to work with fewer lanes.
I hope this answer your request.
Thank you.
Kaouthar
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