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Jul 06, 2016
05:34 AM
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Jul 06, 2016
05:34 AM
Hello everyone,
Why SS_RX_P is connected to STDB_SSRX-, respectively SS_RX_M is connected to STDB_SSRX+, and not the reverse ?
Is that a mistake?
Thanks in advance.
Regards
Stephane
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2 Replies
Anonymous
Not applicable
Jul 07, 2016
04:41 AM
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Jul 07, 2016
04:41 AM
Hi Stephane
It is not a mistake. USB spec allows this flexibility to interchange the polarity on SS_RX_P/SS_RX_N. The polarity inversion will be taken care during the device enumeration, so the board design can be done after looking at the layout considerations.
Jul 07, 2016
04:49 AM
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Jul 07, 2016
04:49 AM
Thank you for your reply.