IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
27/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
Pin description (continued)
Pin No.
Label
Type
Description
Force mode (the setting is latched at the end of reset)
85, 76
P4_FORCE
IPL2
Port4 works at force mode.
1: force mode, disable port4 NWAY capability
0: auto-negotiation with all capability enabled (default)
It’s set by pin 85 if MII0 is in PHY mode and it’s set by pin 76 if
MII0 is in MAC mode.
It is valid only if p4ext is pulled low.
86, 77
P3_FORCE
IPL2
Port3 works at force mode.
1: force mode, disable port3 NWAY capability
0: auto-negotiation with all capability enabled (default)
It’s set by pin 86 if MII0 is in PHY mode and it’s set by pin 77 if
MII0 is in MAC mode.
It is valid only if p4ext is pulled low.
87, 78
P2_FORCE
IPL2
Port2 works at force mode.
1: force mode, disable port2 NWAY capability
0: auto-negotiation with all capability enabled (default)
It’s set by pin 87 if MII0 is in PHY mode and it’s set by pin 78 if
MII0 is in MAC mode.
It is valid only if p4ext is pulled low.
88, 79
P1_FORCE
IPL2
Port1 works at force mode.
1: force mode, disable port1 NWAY capability
0: auto-negotiation with all capability enabled (default)
It’s set by pin 88 if MII0 is in PHY mode and it’s set by pin 79 if
MII0 is in MAC mode.
It is valid only if p4ext is pulled low.
90, 80
P0_FORCE
IPL2
Port0 works at force mode.
1: force mode, disable port0 NWAY capability
0: auto-negotiation with all capability enabled (default)
It’s set by pin 90 if MII0 is in PHY mode and it’s set by pin 80 if
MII0 is in MAC mode.
It is valid only if p4ext is pulled low.
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