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MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR
®
Technology in a Small Footprint
Datasheet
Revision 1.0 (04-15-09) 74 SMSC LAN8710/LAN8710i
DATASHEET
8.1.2 Power Supply Diagram
8.1.3 Twisted-Pair Interface Diagram
Figure 8.2 High-Level System Diagram for Power
Figure 8.4 Copper Interface Diagram
LAN8710
32-QFN
RBIAS
32
VSS
27
12.1k
VDD1A
nRST
19
C
BYPASS
1
C
BYPASS
VDD2A
VDDCR
VDDIO
C
BYPASS
C
F
VDDDIO
Supply
1.8 - 3.3V
Analog
Supply
3.3V
C
12
Power to
magnetics
interface.
R
6
1uF
Magnetics
LAN8710
32-QFN
1
VDD2A
C
BYPASS
29
TXP
TXN
Analog
Supply
3.3V
1
2
3
4
5
6
7
8
28
1000 pF
3 kV
RJ45
75
75
31
RXP
RXN
30
C
BYPASS
27
VDD1A
C
BYPASS
49.9 Ohm Resistors
Magnetic
Supply
2.5 - 3.3V