Data Sheet

Design Considerations—Ethernet Controller I210
831
Figure 12-20.NC-SI Trace Length Requirement for Direct Connect
For multi-drop applications (Figure 12-21) the spacing recommendation is a maximum of four inches.
This keeps the overall length between the MC and I210 within the specification.
Figure 12-21.NC-SI Trace Length Requirement for Multi-Drop
8 inches
I210
External
MC
NC-SI_CLK_IN
NC-SI_TXD(1:0)
NC-SI_RXD(1:0)
NC-SI_CRS_DV
NC-SI_TX_EN
8 inches
I210
External
MC
NC-SI_CLK_IN
NC-SI_TXD(1:0)
NC-SI_RXD(1:0)
I210
4 inches
NC-SI_CRS_DV
NC-SI_TX_EN
.
.
.
.
.