i am using NUCLEO-H743Z in my investigation. is it possible to use both on chip USB core to get use like one as device and another as host at the same time, using on chip PHY only.if so, can any one guide me for the same.

i have two projects, one (application A) build to execute from 0x08000000 and another one (application B) from 0x08040000.Can you guide me about, how can i switch from Application A to Application B?Thank you. Regards