9.3.8.2 Encoding of VBus Level
| D4 | D3 | Meaning |
|---|---|---|
| 0 | 0 | Below session end |
| 0 | 1 | Above session end, below Avalid |
| 1 | 0 | Above Avalid, below VBus valid |
| 1 | 1 | Above VBus valid |
| D4 | D3 | Meaning |
|---|---|---|
| 0 | 0 | Below session end |
| 0 | 1 | Above session end, below Avalid |
| 1 | 0 | Above Avalid, below VBus valid |
| 1 | 1 | Above VBus valid |