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IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
The application circuit of RMII
(P4EXT=1, P4MII_SNI=0, RMII_EN=1)
When RMII mode is enabled, IP175C/IP175CH supports reference clock RMII_CLK_OUT for each RMII
port. The clock is used by the external PHY (or MAC) and 175C itself.
The following circuit diagram is the RMII circuit of MII0.
IP175C
PHY
TXD0_0
TXD0_1
TXEN0
RXD0_0
RXD0_1
RXDV0
RMII0_CLK_IN
RMII0_CLK_OUT
TXD0
TXD1
TXEN
RXD0
RXD1
RXDV
REFCLK
MDC
MDIO
MDC1
MDIO1
The following circuit diagram is the RMII circuit of MII2.
IP175C
PHY
TXD2_0
TXD2_1
TXEN2
RXD2_0
RXD2_1
RXDV2
RMII2_CLK_IN
RMII2_CLK_OUT
TXD0
TXD1
TXEN
RXD0
RXD1
RXDV
REFCLK
MDC
MDIO
MDC1
MDIO1
Mar 09, 2007
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Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14