IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
77/93
June 21, 2007
Copyright © 2004, IC Plus Corp.
IP178Cx-DS-R12
PHY
MII
ROM
R/W
Description
Default
Cos and port base VLAN register 8
8[10]
81[2]
MII port Class of service enable
1: enable, 0: disabled (default)
Packets with high priority tag from MII port are handled as
high priority packets.
1’b0
8[9]
81[1]
MII port set to be high priority port
1: enable, 0: disabled (default)
Packets received from MII port are handled as high priority
packets.
1’b0
31
8[8:0]
81[0],
80[7:0]
MII port VLAN look up table
The register defines the ports in the same VLAN as port8. The
bit 0~8 are corresponding to port 0~8.
1: a port is in the same VLAN as MII port
0: a port is not in the same VLAN as MI port
Bit0=1, port 0 and MII port are in the same VLAN;
Bit1=1, port 1 and MII port are in the same VLAN;
Bit2=1, port 2 and MII port are in the same VLAN; Bit3=1, port
3 and MII port are in the same VLAN;
Bit4=1, port 4 and MII port are in the same VLAN; Bit5=1, port
5 and MII port are in the same VLAN;
Bit6=1, port 6 and MII port are in the same VLAN;
Bit7=1, port 7 and MII port are in the same VLAN;
Bit8=1, don’t care;
9’h1ff
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