UHCI Interrupt Status Register
| RX_START_INT_ST | Indicates the interrupt status of UHCI_RX_START_INT. |
| TX_START_INT_ST | Indicates the interrupt status of UHCI_TX_START_INT. |
| RX_HUNG_INT_ST | Indicates the interrupt status of UHCI_RX_HUNG_INT. |
| TX_HUNG_INT_ST | Indicates the interrupt status of UHCI_TX_HUNG_INT. |
| SEND_S_REG_Q_INT_ST | Indicates the interrupt status of UHCI_SEND_S_REG_Q_INT. |
| SEND_A_REG_Q_INT_ST | Indicates the interrupt status of UHCI_SEND_A_REG_Q_INT. |
| OUTLINK_EOF_ERR_INT_ST | Indicates the interrupt status of UHCI_OUT_EOF_INT. |
| APP_CTRL0_INT_ST | Indicates the interrupt status of UHCI_APP_CTRL0_INT. |
| APP_CTRL1_INT_ST | Indicates the interrupt status of UHCI_APP_CTRL1_INT. |