CYPD3120 TYPEC TO DP AUX has no signal when power on Level 4 Sophie_Wang Level 4 Distributor - Zenitron(GC) Dec 26, 2019 09:36 PM Mark as New Bookmark Subscribe Mute Subscribe to RSS Feed Permalink Print Report Inappropriate Content Dec 26, 2019 09:36 PM Jump to solution Hi CY Friend,My customer has build a pcb of type c to dp dongle, but the aux and sbu has no signal. HPD line is 3.3V.Can you give some suggestions on what we can do?Thankssophie Solved! Go to Solution. Labels Labels: ispn:37053:0.9999908:0 ispn:37054:0.9999908:0 l1:3921:0.9999908:0 l2:6003:0.9999908:0 l3:4172:0.9999908:0 0 Likes Reply Subscribe 1 Solution Re: CYPD3120 TYPEC TO DP AUX has no signal when power on Employee MuthuM_11 Employee Dec 26, 2019 10:19 PM Mark as New Bookmark Subscribe Mute Subscribe to RSS Feed Permalink Print Report Inappropriate Content Dec 26, 2019 10:19 PM Jump to solution Hi Sophie,Is this observed even when connected to a Type-C notebook that supports DP and DP configure command is ACK'ed by dongle?AUX lines are isolated using internal mux by default and connected only on DP configure success.Regards,Muthu View solution in original post 0 Likes Reply All forum topics Previous Topic Next Topic 1 Reply Re: CYPD3120 TYPEC TO DP AUX has no signal when power on Employee MuthuM_11 Employee Dec 26, 2019 10:19 PM Mark as New Bookmark Subscribe Mute Subscribe to RSS Feed Permalink Print Report Inappropriate Content Dec 26, 2019 10:19 PM Jump to solution Hi Sophie,Is this observed even when connected to a Type-C notebook that supports DP and DP configure command is ACK'ed by dongle?AUX lines are isolated using internal mux by default and connected only on DP configure success.Regards,Muthu 0 Likes Reply Post Reply
