17 / 111 page
IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
17/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
Pin description (continued)
Pin No.
Label
Type
Description
External MII port setting
75
P4MII_SNI
IPL
SNI enable for MII0
1: SNI interface
0: MII interface (default).
It is valid only is P4EXT is pulled high and RMII_EN is pulled low.
It is valid for MII0 only.
51
MII1_DIS
IPL
Disable MII1
1: MII1 is disabled. It is for router application with one-MAC CPU.
0:.MII1 is enabled. PHY4 is an independent PHY and can be
access through MII1. It is for router application with two-MAC
CPU (default).
It is valid only if P4EXT is pulled high.
Configuration summary
mode
p4ext
mii1_dis
mii2_en p4mii_sni rmii_en mii0_mac_mod mii2_mac_mod
MII/RMII0
MII/ PHY mode
1
X
X
0
0
0
X
MII/ MAC mode
1
X
X
0
0
1
X
RMII
1
X
X
0
1
X
X
SNI/ PHY mode
1
X
X
1
0
0
X
SNI/ MAC mode
1
X
X
1
0
1
X
MII/RMII1
MII/ PHY mode
1
0
X
X
0
X
X
RMII
1
0
X
X
1
X
X
MII/RMII2
MII/ PHY mode
1
X
1
X
0
X
0
MII/ MAC mode
1
X
1
X
0
X
1
RMII
1
X
1
X
1
X
X
Note: RMII_EN takes precedence of P4MII_SNI.
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
