| 7 | MPRxE | NA | When set to 1, automatic amalgamation of bulk packets is selected. |
| 6 | MPTxE | NA | When set to 1, automatic splitting of bulk packets is selected. |
| 5 | BigEndian | NA | Always 0. Indicates Little Endian ordering. |
| 4 | HBRxE | NA | When set to 1, indicates high-bandwidth receive ISO endpoint support selected. |
| 3 | HBTxE | NA | When set to 1, indicates high-bandwidth transmit ISO endpoint support selected. |
| 2 | DynFIFO Sizing | NA | When set to 1, indicates dynamic FIFO sizing option selected. |
| 1 | SoftConE | NA | Always 1. Indicates soft connect/disconnect. |
| 0 | UTMI DataWidth | NA | Indicates selected UTMI+ data width. Always 0, indicating 8 bits. |
