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IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
70/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
PHY
MII
ROM
R/W
Description
Default
Port2 VLAN look up table
Port5 and port2 are in the same VLAN
Default value
Testmode38, 39
Others
20.15
16.7
R/W
0
1
*
Port2 Class of service enable
1: enable, 0: disabled (default)
Packets with high priority tag from port2 are handled as high
priority packets.
Default value
TEST2=0
TEST2=1
P4EXT=1
P4EXT=0
20.14
16.6
R/W
0
Pin63 COS_EN (0)
0
*
20.13
16.5
R/W Port2 high priority port enable
1: enable, 0: disabled (default)
Packets received from port2 are handled as high priority packets.
1’b0
Port2 VLAN look up table
The register defines the ports in the same VLAN as port2. The
bit 0~4 are corresponding to port 0~4.
1: a port is in the same VLAN as port2
0: a port is not in the same VLAN as port2
Bit8=1, port 0 and port2 are in the same VLAN;
Bit9=1, port 1 and port2 are in the same VLAN;
Bit10=1, don’t care;
Bit11=1, port 3 and port2 are in the same VLAN;
Bit12=1, port 4 and port2 are in the same VLAN
Default value
Testmode38, 39
Testmode47
Others
29
20[12:8] 16[4:0]
R/W
5'b11100
5'b00100
5'b11111
*
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