LAN9221 Datasheet, PDF (77/151 Pages) SMSC Corporation – High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O

High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
The figure below shows the signal names at the RJ-45 connector, The mapping of these signals to the pins on
the LAN9221/LAN9221i is as follows:
TXP = TPO+
TXN = TPO-
RXP = TPI+
RXN = TPI-
Figure 4.3 Direct cable connection vs. Cross-over cable connection.
SMSC LAN9221/LAN9221i
77
DATASHEET
Revision 2.6 (12-04-08)