![](/images/backgrounds/136118/136118-7962x1.png)
Small Footprint RMII 10/100 Ethernet Transceiver with HP
Datasheet
6.3.2RMII 10Base-T TX/RX Timings (50MHz REF_CLK OUT)
6.3.2.110M RMII Receive Timing (50MHz REF_CLK OUT)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
REFCLKO |
|
|
|
|
|
|
|
| ||||||
Data Out - |
|
|
|
| T13.1 |
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| |||||||
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
| Valid Data | ||||||
RXD[1:0] |
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
CRS_DV |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
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 | 1.5 |
| 5 | ns |
|
| REFCLKO to receive signals |
|
|
|
|
|
| output valid |
|
|
|
|
|
|
|
|
|
|
|
|
| REFCLKO frequency |
| 50 |
| MHz |
|
|
|
|
|
|
|
|
Revision 1.0 | 62 | SMSC LAN8720/LAN8720i |
| DATASHEET |
|