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Design >> Mixed-Signal Design >> attach detection for USB OTG device
https://designers-guide.org/forum/YaBB.pl?num=1305026023

Message started by sam.z on May 10^th, 2011, 4:13am

Title: attach detection for USB OTG device
Post by sam.z on May 10^th, 2011, 4:13am

Hi,
Is there any way to know whether the USB interface(OTG) was attached or not?
From the OTG USB2.0 spec, there is a 1~6.5uF cap at VBUS node.
not sure detecting the cap is a good way.

Thanks,
Sam