LAN9313 Datasheet, PDF (269/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
13.3.2.2 Port x MAC Receive Configuration Register (MAC_RX_CFG_x)
Register #:
Port0: 0401h
Port1: 0801h
Port2: 0C01h
Size:
32 bits
This read/write register configures the packet type passing parameters of the port.
BITS
DESCRIPTION
31:8 RESERVED
7 RESERVED
Note: This bit must always be written as 0.
6 RESERVED
5 Enable Receive Own Transmit
When set, the switch port will receive its own transmission if it is looped back
from the PHY. Normally, this function is only used in Half Duplex PHY
loopback.
4 RESERVED
3 Jumbo2K
When set, the maximum packet size accepted is 2048 bytes. Statistics
boundaries are also adjusted.
2 RESERVED
1 Reject MAC Types
When set, MAC control frames (packets with a type field of 8808h) are
filtered. When cleared, MAC Control frames, other than MAC Control Pause
frames, are sent to the forwarding process. MAC Control Pause frames are
always consumed by the switch.
0 RX Enable
When set, the receive port is enabled. When cleared, the receive port is
disabled.
TYPE
RO
R/W
RO
R/W
RO
R/W
RO
R/W
R/W
DEFAULT
-
0b
-
0b
-
0b
-
1b
1b
SMSC LAN9313/LAN9313i
269
DATASHEET
Revision 1.2 (04-08-08)