Raw interrupt status
| RX_START_INT_RAW | This is the interrupt raw bit. Triggered when a separator char has been sent. |
| TX_START_INT_RAW | This is the interrupt raw bit. Triggered when UHCI detects a separator char. |
| RX_HUNG_INT_RAW | This is the interrupt raw bit. Triggered when UHCI takes more time to receive data than configure value. |
| TX_HUNG_INT_RAW | This is the interrupt raw bit. Triggered when UHCI takes more time to read data from RAM than the configured value. |
| SEND_S_REG_Q_INT_RAW | This is the interrupt raw bit. Triggered when UHCI has sent out a short packet using single_send registers. |
| SEND_A_REG_Q_INT_RAW | This is the interrupt raw bit. Triggered when UHCI has sent out a short packet using always_send registers. |
| OUT_EOF_INT_RAW | This is the interrupt raw bit. Triggered when there are some errors in EOF in the transmit data. |
| APP_CTRL0_INT_RAW | This is the interrupt raw bit. Triggered when set UHCI_APP_CTRL0_IN_SET. |
| APP_CTRL1_INT_RAW | This is the interrupt raw bit. Triggered when set UHCI_APP_CTRL1_IN_SET. |