dtxfsts9
Device IN Endpoint Transmit FIFO Status Register 9
| Module Instance | Base Address | Register Address |
|---|---|---|
| i_usbotg_0_devgrp | 0xFFB00800 | 0xFFB00A38 |
| i_usbotg_1_devgrp | 0xFFB40800 | 0xFFB40A38 |
Offset: 0x238
Access: RO
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 |
|||||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
ineptxfspcavail RO 0x2000 |
|||||||||||||||
dtxfsts9 Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 15:0 | ineptxfspcavail | IN Endpoint TxFIFO Space Avail (INEPTxFSpcAvail) Indicates the amount of free space available in the Endpoint TxFIFO. Values are in terms of 32-bit words. 16'h0: Endpoint TxFIFO is full 16'h1: 1 word available 16'h2: 2 words available 16'hn: n words available (where 0 n 32,768) 16'h8000: 32,768 words available Others: Reserved |
RO | 0x2000 |