IP178C_1 Datasheet, PDF (73/93 Pages) List of Unclassifed Manufacturers – 8 Port 10/100 Ethernet Integrated Switch

IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
PHY MII ROM R/W
Description
Default
Cos and port base VLAN register 4
31 4[10] 73[2]
Port4 Class of service enable
1’b0
1: enable, 0: disabled (default)
Packets with high priority tag from port4 are handled as high
priority packets.
4[9] 73[1]
Port4 set to be high priority port
1’b0
1: enable, 0: disabled (default)
Packets received from port4 are handled as high priority
packets.
4[8:0] 73[0],
72[7:0]
Port4 VLAN look up table
9’h1ff
The register defines the ports in the same VLAN as port4. The
bit 0~8 are corresponding to port 0~8.
1: a port is in the same VLAN as port4
0: a port is not in the same VLAN as port4
Bit0=1, port 0 and port4 are in the same VLAN;
Bit1=1, port 1 and port4 are in the same VLAN;
Bit2=1, port 2 and port4 are in the same VLAN; Bit3=1, port 3
and port4 are in the same VLAN;
Bit4=1, don’t care;
Bit5=1, port 5 and port4 are in the same VLAN;
Bit6=1, port 6 and port4 are in the same VLAN;
Bit7=1, port 7 and port4 are in the same VLAN;
Bit8=1, MII port and port4 are in the same VLAN;
Copyright © 2004, IC Plus Corp.
73/93
June 21, 2007
IP178Cx-DS-R12