LAN8187I SMSC [SMSC Corporation], LAN8187I Datasheet - Page 55

• Manufacturer Part Number: LAN8187I
• Description: High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX
• Manufacturer: SMSC [SMSC Corporation]

High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX
Datasheet
SMSC LAN8187/LAN8187I
6.2.1.2
6.2.2
6.2.2.1
PARAMETER
T3.1
T3.2
100M MII Transmit Timing
MII 10Base-T TX/RX Timings
10M MII Receive Timing
TX_CLK
TXD[3:0]
TX_EN
TX_ER
Transmit signals setup to TX_CLK
rising
Transmit signals hold after
TX_CLK rising
TX_CLK frequency
TX_CLK Duty-Cycle
RX_CLK
RXD[3:0]
RX_DV
RX_ER
Figure 6.3 100M MII Transmit Timing Diagram
DESCRIPTION
Figure 6.4 10M MII Receive Timing Diagram
Table 6.3 100M MII Transmit Timing Values
DATASHEET
T3.1
Valid Data
55
Valid Data
T4.1
MIN
12
0
T3.2
T4.2
TYP
25
40
MAX
UNITS
MHz
ns
ns
%
Revision 0.6 (02-24-06)
NOTES