DTSEQ=DATA0, CURRBK=BANK0, NBUSYBK=_0_BUSY
Device Endpoint Interrupt Status Register
| TXINI | Transmitted IN Data Interrupt |
| RXOUTI | Received OUT Data Interrupt |
| RXSTPI | Received SETUP Interrupt |
| NAKOUTI | NAKed OUT Interrupt |
| NAKINI | NAKed IN Interrupt |
| OVERFI | Overflow Interrupt |
| STALLEDI | STALLed Interrupt |
| SHORTPACKET | Short Packet Interrupt |
| DTSEQ | Data Toggle Sequence 0 (DATA0): Data0 toggle sequence 1 (DATA1): Data1 toggle sequence 2 (DATA2): Reserved for high-bandwidth isochronous endpoint 3 (MDATA): Reserved for high-bandwidth isochronous endpoint |
| NBUSYBK | Number of Busy Banks 0 (_0_BUSY): 0 busy bank (all banks free) 1 (_1_BUSY): 1 busy bank 2 (_2_BUSY): 2 busy banks 3 (_3_BUSY): 3 busy banks |
| CURRBK | Current Bank 0 (BANK0): Current bank is bank0 1 (BANK1): Current bank is bank1 2 (BANK2): Current bank is bank2 |
| RWALL | Read/Write Allowed |
| CTRLDIR | Control Direction |
| CFGOK | Configuration OK Status |
| BYCT | Byte Count |