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USB OTG ID Pin on  i.MX7Sabre

Question asked by marcfigliuolo on Feb 9, 2018
Branched from an earlier discussion

Thank you for the information. Then I will pull the ID high for Device use.

I think my first question was not formulated very good. So a 2nd try:

 

OTG2 on the Evalboard is used as Host only, its done with a 4 Pin USB Plug. OTG specification says if you use an OTG interface as host, you have to pull the ID pin with resistance < 10 Ohms to GND.

 

But in the Evalboard its pulled down with 10 kOhms. Is the function garanteed if you do it like this?

10k Ohms >>10 Ohms which is specified by the standard.

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