
IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
76/93
June 21, 2007
Copyright © 2004, IC Plus Corp.
IP178Cx-DS-R12
PHY
MII
ROM
R/W
Description
Default
Cos and port base VLAN register 7
7[10]
79[2]
Port7 Class of service enable
1: enable, 0: disabled (default)
Packets with high priority tag from port7 are handled as high
priority packets.
1’b0
7[9]
79[1]
Port7 set to be high priority port
1: enable, 0: disabled (default)
Packets received from port7 are handled as high priority
packets.
1’b0
31
7[8:0]
79[0],
78[7:0]
Port7 VLAN look up table
The register defines the ports in the same VLAN as port7. The
bit 0~8 are corresponding to port 0~8.
1: a port is in the same VLAN as port7
0: a port is not in the same VLAN as port7
Bit0=1, port 0 and port7 are in the same VLAN;
Bit1=1, port 1 and port7 are in the same VLAN;
Bit2=1, port 2 and port7 are in the same VLAN;
Bit3=1, port 3 and port7 are in the same VLAN;
Bit4=1, port 4 and port7 are in the same VLAN;
Bit5=1, port 5 and port7 are in the same VLAN;
Bit6=1, port 6 and port7 are in the same VLAN;
Bit7=1, don’t care;
Bit8=1, MII port and port7 are in the same VLAN;
9’h1ff