Datasheet

High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
SMSC LAN9118 81 Revision 1.5 (07-11-08)
DATASHEET
5.3.12 TX_FIFO_INF—Transmit FIFO Information Register
This register contains the free space in the transmit data FIFO and the used space in the transmit
status FIFO in the LAN9118.
Offset: 80h Size: 32 bits
BITS DESCRIPTION TYPE DEFAULT
31-24 Reserved RO -
23-16 TX Status FIFO Used Space (TXSUSED). Indicates the amount of space
in DWORDS used in the TX Status FIFO.
RO 00h
15-0 TX Data FIFO Free Space (TDFREE). Reads the amount of space in bytes,
available in the TX data FIFO. The application should never write more data
than is available, as indicated by this value.
RO 1200h