Resolved! USB clock source about STM32U595 can use HSI?
The datasheet say:USB on-the-go high-speed (OTG_HS) The devices embed an USB OTG high-speed device/host/OTG peripheral with integrated transceivers. The OTG_HS peripheral is compliant with the USB 2.0 specification and with the OTG 2.0 specificat...