LAN9311 Datasheet, PDF (186/461 Pages) SMSC Corporation – Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
14.2.2.5 TX FIFO Information Register (TX_FIFO_INF)
Offset:
080h
Size:
32 bits
This register contains the indication of free space in the TX Data FIFO and the used space in the TX
Status FIFO.
BITS
DESCRIPTION
31:24 RESERVED
23:16
15:0
TX Status FIFO Used Space (TXSUSED)
This field indicates the amount of space, in DWORD’s, currently used in the
TX Status FIFO.
TX Data FIFO Free Space (TXFREE)
This field indicates the amount of space, in bytes, available in the TX Data
FIFO. The application should never write more than is available, as indicated
by this value.
TYPE
RO
RO
RO
DEFAULT
-
0b
1200h
Revision 2.0 (02-14-13)
186
DATASHEET
SMSC LAN9311/LAN9311i