Address offset: 0x828
Device VBUS Discharge Time Register
This register specifies the VBUS discharge time after VBUS pulsing during SRP.
| Bit number | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID | A | A | A | A | A | A | A | A | A | A | A | A | A | A | A | A | |||||||||||||||||||
| Reset 0x000017D7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | |||
| ID | R/W | Field | Value ID | Value | Description | ||||||||||||||||||||||||||||||
| A |
RW |
DVBUSDIS |
Device VBUS Discharge Time (DVBUSDis) Specifies the VBUS discharge time after VBUS pulsing during SRP. This value equals (VBUS discharge time in PHY clocks) / 1, 024. The value you use depends whether the PHY is operating at 30MHz (16-bit data width) or 60 MHz (8-bit data width). Depending on your VBUS load, this value can need adjustment. |
||||||||||||||||||||||||||||||||