dtxfsts4

This register contains the free space information for the Device IN endpoint TxFIFO.
Module Instance Base Address Register Address
usb0 0xFFB00000 0xFFB00998
usb1 0xFFB40000 0xFFB40998

Offset: 0x998

Access: RO

Important: To prevent indeterminate system behavior, reserved areas of memory must not be accessed by software or hardware. Any area of the memory map that is not explicitly defined as a register space or accessible memory is considered reserved.
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

dtxfsts4 Fields

Bit Name Description Access Reset
15:0 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