AnsweredAssumed Answered

ADV7627 can be written to, but not read from (I2C)

Question asked by im_high_tech on May 19, 2015
Latest reply on May 29, 2015 by mattp

I am using the ADV7627 switching chip to pass HDMI through, and as I set up I2C to pass video through, I find that I cannot read from the chip whatsoever. I know I am able to write to it (at least partially) because I am able to pass video through it , but why can I not read the registers by I2C?

 

The reason I need to read the registers, I am trying to enable some functions, such as auto switching, and my MCU needs to know what flags are set off inside the ADV7627 in order to auto switch.

 

Thank you!

Outcomes