/* Removes the USB controller from the bus in device mode. */
void USBDevDisconnect(uint32_t ui32Base)
/* Removes the USB controller from the bus in device mode. */
void USBDevDisconnect(uint32_t ui32Base)
{
    ASSERT(ui32Base == USB0_BASE);
    HWREGB(ui32Base + USB_O_POWER) &= (~USB_POWER_SOFTCONN);
}