DCON_STAT=B_0x0
USB interrupt status register
| IDN | Device Endpoint / host channel identification number |
| DIR | Direction of transaction |
| L1REQ | LPM L1 state request |
| ESOF | Expected start of frame |
| SOF | Start of frame |
| RST_DCON | USB reset request (Device mode) or device connect/disconnect (Host mode) |
| SUSP | Suspend mode request |
| WKUP | Wake-up |
| ERR | Error |
| PMAOVR | Packet memory area over / underrun |
| CTR | Completed transfer in host mode |
| THR512 | 512 byte threshold interrupt |
| DDISC | Device connection |
| DCON_STAT | Device connection status 0 (B_0x0): No device connected 1 (B_0x1): FS or LS device connected to the host |
| LS_DCON | Low speed device connected |