GRXFSIZ
Receive FIFO Size Register
Module Instance | Base Address | Register Address |
---|---|---|
i_usbotg_0_DWC_otg_intreg | 0xFFB00000 | 0xFFB00024 |
i_usbotg_1_DWC_otg_intreg | 0xFFB40000 | 0xFFB40024 |
Size: 32
Offset: 0x24
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 |
Reserved |
RESERVED RO 0x0 |
||||||||||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RESERVED RO 0x0 |
RxFDep RW 0x2000 |
GRXFSIZ Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
27:14 | RESERVED |
RESERVED |
RO | 0x0 |
13:0 | RxFDep |
Mode: Host and Device RxFIFO Depth (RxFDep) This value is in terms of 32-bit words. Minimum value is 16 Maximum value is 32,768 The power-on reset value of this register is specified as the Largest Rx Data FIFO Depth during configuration. If Enable Dynamic FIFO Sizing was selected, you can write a new value in this field. Programmed values must not exceed the power-on value |
RW | 0x2000 |