These bits contains the Ping/Bulk-out
period.
These bits are cleared when a USB
reset is sent or when PEN[n] is zero.
| BINTERVAL | Description |
|---|
| = 0 | Multiple consecutive OUT token is sent in the
same frame until it is acked by the peripheral |
| > 0 | One OUT token is sent every BINTERVAL frame
until it is acked by the peripheral |
Depending on the type of pipe, the
desired period is defined as follows:
| PTYPE | Description |
|---|
| Interrupt | 1 ms to 255
ms |
| Isochronous | 2^(Binterval) * 1 ms |
| Bulk
or control | 1 ms
to 255 ms |
| EXT
LPM | bInterval ignored. Always 1 ms when a NYET is received. |
