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I2C interface problems

I2C interface problems

Anonymous
Not applicable
Question: Why does SCL not toggle for the PCI-DP?

 

Answer:

If SCL is not toggling, you need to confirm that the CLKIN input clock is toggling and is within specifications. There may be other problems, but without CLKIN, the SCL will not be generated since it is a divided down version of CLKIN.

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