SMSC flexpwr lan8710i Manual De Usuario
MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR
®
Technology in a Small Footprint
Datasheet
SMSC LAN8710/LAN8710i
61
Revision 1.0 (04-15-09)
DATASHEET
6.3.1.2
100M RMII Transmit Timing (50MHz REF_CLK IN)
Figure 6.7 100M RMII Transmit Timing Diagram (50MHz REF_CLK IN)
Table 6.7 100M RMII Transmit Timing Values (50MHz REF_CLK IN)
PARAMETER
DESCRIPTION
MIN
TYP
MAX
UNITS
NOTES
T8.1
Transmit signals required setup to
rising edge of CLKIN
rising edge of CLKIN
4
ns
T8.2
Transmit signals required hold
after rising edge of CLKIN
after rising edge of CLKIN
2
ns
CLKIN frequency
50
MHz
Clock In -
CLKIN
Data In -
TXD[1:0]
T
8.1
TX_EN
T
8.2
Valid Data