Hi Abigail, I assume this is your colleagues post below? https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1522337/tms320f28388d-esc-dl-status-register-reflects-connection-on-port-1-with-only-one-phy-in-design I think I'll need to try this single port concept with our Eval board on my side at this point, to see if I can find a good work around. If I don't configure the Port1 pins I think it should be equivalent. In the mean time you could check the AL Status and AL Status Code ESC registers below to see if anything is reported while trying to scan the bus. Best, Kevin
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