
IP175A LF
Preliminary Data Sheet
31/60
February 20, 2006
Copyright © 2004, IC Plus Corp.
IP175A LF-DS-R08
MII
ROM
Function
R/W
Description
Default
MII register 12H (18D)
12.1
--
MII0_FDX
RO
Speed of MII0
1: full duplex
0: half duplex
It is duplex of MII0 if P4_EXT is enabled. It is duplex
of port4 if P4EXT is disabled
0
12.0
6.6
Reserved
R/W
0
MII
ROM
Function
R/W
Description
Default
MII register 13H (19D)
13.15
--
R/W
Don’t care
0
13.14
E.6
P0_COS
R/W
Port0 Class of service enable
1: enable, 0: disabled (default)
Packets with high priority tag from port0 are handled
as high priority packets.
0
13.13
E.5
P0_HIGH
R/W
Port0 set to be high priority port
1: enable, 0: disabled (default)
Packets received from port0 are handled as high
priority packets.
0
13.12
≀
13.7
--
Reserved
Don’t care
13.6
F.6
P1_COS
R/W
Port1 Class of service enable
1: enable, 0: disabled (default)
Packets with high priority tag from port1 are handled
as high priority packets.
0
13.5
F.5
P1_ HIGH
R/W
Port1 set to be high priority port
1: enable, 0: disabled (default)
Packets received from port1 are handled as high
priority packets.
0
13.4
≀
13.0
--
Reserved
Don’t care
MII
ROM
Function
R/W
Description
Default
MII register 14H (20D)
14.15
--
R/W
Don’t care
0
14.14
10.6
P2_COS
R/W
Port2 Class of service enable
1: enable, 0: disabled (default)
Packets with high priority tag from port2 are handled
as high priority packets.
0
14.13
10.5
P2_ HIGH
R/W
Port2 set to be high priority port
1: enable, 0: disabled (default)
Packets received from port2 are handled as high
priority packets.
0