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LTDC Display Type Restriction

EthanMankins
Associate III

I am using the STM32H743VIT and trying to integrate using LTDC. The Display Type options in CUBEMX only allow 16 or 18 bit RGB. I know there is no LTDC_R0, so I assume that is why there is not option for 24 bit RGB; however, we were just planning on tying the LSB R value low to work around this issue. Is there any information on how to set this MCU up for 24bit RBG even though CUBEMX does not allow it?

 

Thank you

EDIT: I am using the 100 pin LQFP package

2 REPLIES 2
MOBEJ
ST Employee

Hello @EthanMankins ,

Thank you for reaching out with your issue regarding the STM32H743VIT and LTDC integration in CubeMX.

I have tried a project with the same board and found that the option for 24-bit RGB (RGB888) is indeed available. Please see the screenshot below for reference:

 

MOBEJ_1-1729866104175.png

 

In the LTDC Mode and Configuration section under the "Multimedia" category, you should be able to select "RGB888 (24 bits)" from the Display Type dropdown menu.

If you still do not see the 24-bit option, please ensure that you are using the latest version of CubeMX. Updating CubeMX might resolve any discrepancies.

Br

 

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

@MOBEJ 
Sorry I didn't clarify I'm using the 100 pin LQFP Version.

I just updated and still do not see the 24 option