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The Designer's Guide Community Forum › Design › Mixed-Signal Design › attach detection for USB OTG device
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attach detection for USB OTG device (Read 1219 times)
sam.z
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Get the truth

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SH_China
attach detection for USB OTG device
May 10th, 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
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