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  • ISO1644DWEVM: How to remove the oscillation in SCL1 and SDA1 for stable communication?

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    Part Number: ISO1644DWEVM Other Parts Discussed in Thread: ISO1644 , ISO1640 Device Name: ISO1644DWR assembled on ISO1644DWEVM I am building the system to test if ISO1644DWR can bridge the communication of I2C in the following system. ISO1644DWR on the…
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  • RE: UCD3138: Boot ROM holds SCL low until CLK_LOW_TIMEOUT instead of ACK/NACKing address

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    Thank you very much for your response, I really appreciate it. Embarrassingly, I just found that it seems to work fine when I bypass the TI ISO1644 isolator that I am using and disconnect my oscilloscope probe from SCL. I thought I had checked this before…

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