i.mx233 LCD Configuration to 18-bit from 24-bit:

[GopiNagaBharath]

Hello,

Has anyone used the i.mX233 CPU with 18-bit RGB [6:6:6] LCD Interface??

The default configuration [for the EVK Board] is 24-Bit. How can we configure the Display interface to 18-bit??

What modifications are required in the sources to achieve the 18-bit RGB Interface?

Regards,

Gopi

[GopiNagaBharath · Accepted solution]

Hello,

I have fixed this issue by setting the below mentioned.

LCD_DATABUS_WIDTH = 18-Bit

WORD_LENGTH = 24-Bit

BYTE_PACKING_FORMAT = 0x07

Regards,

Gopi

[jimmychan]

maybe this one can help you.

https://community.freescale.com/message/309913#309913

[GopiNagaBharath]

Hi,

Thanks for this.

But I am using the 18-bit RGB Interface on i.MX233 EVK itself. The LCD Card on the EVK has an optional connector, which gives out only the 18-bit RGB interface, which is compatible for the SMSUNG LMS430 on EVK Board.

I have tried connecting the LCD to 18-bit interface and changed the interface bus width to 18-bit RGB Interface. As a result, i found that the still images are shown properly, however, the videos are not played properly. When I play the video, the colour information is completely lost and the playback is blurred with different colors.

Do i have to do any other configurations for successfully using the 18-bit RGB Interface?? Below shown is the picture of video shown on the LCD.