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I was thinking to integrate a MIPI display into a project with a STM32L4R9 processor, which in my package of choice exposess only 1 of it's two MIPI lanes.
The data sheets of all displays I viewed where rather mysterious about how to operate, but most of them had 4 lanes on the connector side. (data sheet example)
My question now is, can I operate a 4 lane MIPI display with just one lane connected, or do I have to search for a one lane display particularly?
Thanks for any help!
I read a little more into some data sheets, especially the driver ICs, exposing most of available displays connector pins. Seems it is generally given by the driver IC how many lanes to use (i.e. RM67191 IC can handle 3 or 4 lanes, which is determined by the wiring of the IC, normally given fixed by the display of choice).
A possible solution to nonetheless use any display to a given setup is by using a driver IC (i.e. SSD2848) which can often handle n-lane input to m-lane output, providing some extra features (frame buffer, resolution scaling, ...) which for some application might be an overshoot of an extra IC, instead of just searching an display with adequate lanes for your applications directly.
