FEDEVEL
Platform forum

Clarice Starling , 09-01-2024, 10:16 PM

I am following the steps in this video but I cannot see the rule I defined in the right menu
https://www.youtube.com/watch?v=LdqzBb60i6g

QDrives , 09-02-2024, 06:57 PM

Did you set the impedance setting in the stack-up manager?

Clarice Starling , 09-05-2024, 05:27 PM

yes

Robert Feranec , 09-06-2024, 02:05 PM

So, what do you set in the length matching rules?

Clarice Starling , 09-09-2024, 03:41 PM

USB and Ethernet

Clarice Starling , 09-09-2024, 03:46 PM

I am trying to make a len tuning on a USB line. Since this line is differential, I click on the Interative diff pair len tuning, but nothing happens. When I click on the nteractive len tuning, I can only match one line. How do I make a diff line? Isn't it necessary to tune all paths of a line defined as diff at the same time?

Clarice Starling , 09-09-2024, 03:47 PM

1) Interative diff pair len tuning. There is no rule

Clarice Starling , 09-09-2024, 03:47 PM

2)Interactive len tuning. There is the rule 🙂

QDrives , 09-09-2024, 10:29 PM

Did you mark the nets as differential?
Did you add the _P & _N to the netname? Or configured another set?

Robert Feranec , 09-10-2024, 04:25 AM

what length tuning you would like to do on USB? Phase matching? Because I believe that will not show up in that panel. Can you make screenshot from your Rules window? I would like to see what rules you set in Length Matching and in Differential Pairs