hcchar4
Host Channel 4 Characteristics Register
Module Instance | Base Address | Register Address |
---|---|---|
i_usbotg_0_hostgrp | 0xFFB00400 | 0xFFB00580 |
i_usbotg_1_hostgrp | 0xFFB40400 | 0xFFB40580 |
Offset: 0x180
Access: RW
Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
hcdmab4 RW 0x0 |
|||||||||||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
hcdmab4 RW 0x0 |
hcchar4 Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
31:0 | hcdmab4 | These registers are present only in case of Scatter/Gather DMA. These registers are implemented in RAM instead of flop-based implementation. Holds the current buffer address. This register is updated as and when the data transfer for the corresponding end point is in progress. This register is present only in Scatter/Gather DMA mode. Otherwise this field is reserved. |
RW | 0x0 |