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Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
Revision 1.0 (05-28-09) 62 SMSC LAN8720/LAN8720i
DATASHEET
6.3.2 RMII 10Base-T TX/RX Timings (50MHz REF_CLK OUT)
6.3.2.1 10M RMII Receive Timing (50MHz REF_CLK OUT)
Figure 6.8 10M RMII Receive Timing Diagram (50MHz REF_CLK OUT)
Table 6.8 10M RMII Receive Timing Values (50MHz REF_CLK OUT)
PARAMETER DESCRIPTION MIN TYP MAX UNITS NOTES
T13.1 Output delay from rising edge of
REFCLKO to receive signals
output valid
1.5 5 ns
REFCLKO frequency 50 MHz
REFCLKO
Data Out -
RXD[1:0]
CRS_DV
Valid Data
T
13.1