lan9311 Standard Microsystems Corp., lan9311 Datasheet - Page 185

• Manufacturer Part Number: lan9311
• Description: Lan9311/lan9311i Two Port 10/100 Managed Ethernet Switch With 16-bit Non-pci Cpu Interface
• Manufacturer: Standard Microsystems Corp.

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
14.2.2.4
31:24
23:16
BITS
15:0
RESERVED
RX Status FIFO Used Space (RXSUSED)
This field indicates the amount of space, in DWORD’s, currently used in the
RX Status FIFO.
RX Data FIFO Used Space (RXDUSED)
This field indicates the amount of space, in bytes, used in the RX Data FIFO.
For each receive frame, the field is incremented by the length of the receive
data. In cases where the payload does not end on a DWORD boundary, the
total will be rounded up to the nearest DWORD.
RX FIFO Information Register (RX_FIFO_INF)
This register contains the indication of used space in the RX FIFO’s.
Offset:
07Ch
DESCRIPTION
DATASHEET
185
Size:
32 bits
TYPE
RO
RO
RO
Revision 1.2 (04-08-08)
DEFAULT
0b
0b
-