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Cannot output YCbCr 4:2:2 10-bit at 4K@30Hz.

Thread Summary

The user reports that 4K 30Hz YCbCr 4:2:2 10-bit output does not work on their setup, showing a free-run signal instead. The support engineer confirms that the ADV7625 evaluation board supports this format and suggests checking the register configuration. The user notes that the TMDS clock for YCbCr 4:2:2 is 297 MHz, which should be within the ADV7626's limit, and asks about the 4:2:2 to 4:4:4 up-conversion function.
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Category: Hardware
Product Number: ADV7626

Outputting YCbCr 4:2:2 10-bit at 1080p 60Hz works fine.

However, at 4K 30Hz with YCbCr 4:2:2 10-bit, the display does not show an image; instead, a free-run signal is output.

It should be supported under the HDMI 1.4 standard—does the ADV7626 not support this?

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