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IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
3.3.4
RMII Timing
a. Receive Timing Requirements
Symbol
Description
Min.
Typ.
Max.
Unit
TRxClk
Receive clock period
-
20
-
ns
TsRxClk
RXDV, RXD to MII_CLK_IN setup time
2
-
-
ns
ThRxClk
RXDV, RXD to MII_CLK_IN hold time
0.5
-
-
ns
MII_ CL K _ IN
RX DV , RX D[1 :0 ]
T sRxClk
T hRxClk
T RxClk
b. Transmit Timing
Symbol
Description
Min.
Typ.
Max.
Unit
TTxClk
Transmit clock period
-
20
-
ns
TdTxClk
MII_CLK_IN rising edge to TXEN, TXD
1
-
4
ns
TdTxClk
MII_CLK_IN
TXEN, TXD[1:0]
TTxClk
Mar 09, 2007
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Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14