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DS90UB934-Q1: YUV422 Support and PCLK/Datarate

Part Number: DS90UB934-Q1
Other Parts Discussed in Thread: DS90UB935-Q1

Hi Team,

I'm trying to understand how to handle YUV422(8-bit) imager data when using a DS90UB935-Q1.

YUV422 is 16 bits/pixel and the 934 is only a 12bit parallel interface.

I'm guessing you need to split each pixel so it is sent in two cycles (maybe an 8bit and 8bit or a 12bit and 4bit)?

1. Am I'm correct and splitting the pixels is the best way to do this?

Here are the system requirements:

- H Resolution: 2048

- V Resolution: 1280

- Bits/Pixel: 16

- Frame Rate: 30

- Paired Seralizer: 935

2. What is the best way to calculate the PCLCK and data rate for this? Do I assume just twice the Framerate (60 instead of 30):

3. Is there a way to make this work for the 935 which has a max data rate of 1.87Gbps and max PCLK of 100MHz?

Thanks for the help!

David