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LAN9500 Datasheet, PDF (5/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode
LAN950x
FIGURE 1-1:
SYSTEM COMPONENT DIFFERENCES
LAN950x
56-PIN QFN TXP
TXN
+3.3V
Analog
49.9 49.9 49.9 49.9
Ohm Ohm Ohm Ohm R1
1% 1% 1% 1%
For LAN9500/LAN9500i: 10 Ohm 1%
For LAN9500A/LAN9500Ai: 0 Ohm
Ethernet Magnetics/RJ45
RXP
RXN
To
Ethernet
R2
EXRES
XO
R3
XI
25.000MHz
For LAN9500/LAN9500i: 12.4K Ohm 1%
For LAN9500A/LAN9500Ai: 12.0K Ohm 1%
For LAN9500/LAN9500i: 1M Ohm 1%
For LAN9500A/LAN9500Ai: Do Not Populate
33pF 33pF
 2010 - 2015 Microchip Technology Inc.
DS00001875A-page 5