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IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
IP178C/IP178CH applications: (continued)
An 8-port router application
IF pin 53 EXTMII_EN is pulled high, then MII/RMII interface is enabled. IP178C/IP178CH is connected to
a CPU through MII/ RMII interface. IP178C/IP178CH works as an 8-port router. MII/RMII interface is set
to be PHY mode and 100 Mbps full duplex in this application.
MII/RMII
PHY
0
PHY
1
PHY
6
PHY
7
IP178C
/178CH
MAC
CPU
(PHY mode)
ADSL
or
Cable modem
WAN to ISP
PC
Ethernet
Ethernet
Router
WAN
port
LAN port
MAC0
MAC7
MAC8
switch engine
.....
.....
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June 21, 2007
Copyright © 2004, IC Plus Corp.
IP178Cx-DS-R12