LAN8187_06 Datasheet, PDF (56/72 Pages) SMSC Corporation – ±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM

6.2
6.2.1
6.2.1.1
±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR^TM
Datasheet
MII 10/100Base-TX/RX Timings
MII 100Base-T TX/RX Timings
100M MII Receive Timing
RX_CLK
RXD[3:0]
RX_DV
RX_ER
Valid Data
T2.1 T2.2
Figure 6.2 100M MII Receive Timing Diagram
PARAMETER
T2.1
T2.2
Table 6.2 100M MII Receive Timing Values
DESCRIPTION
MIN TYP MAX UNITS
Receive signals setup to RX_CLK 10
rising
Receive signals hold from
10
RX_CLK rising
RX_CLK frequency
25
RX_CLK Duty-Cycle
40
ns
ns
MHz
%
NOTES
Revision 1.0 (12-14-06)
56
DATASHEET
SMSC LAN8187/LAN8187I