®
MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology in a Small Footprint
Datasheet
8.1.2
Power Supply Diagram
Analog
Supply
3.3V
Power to
magnetics
interface.
LAN8710
32-QFN
27
6
VDDCR
VDDIO
VDD1A
CBYPASS
1uF
VDDDIO
Supply
12
1
VDD2A
RBIAS
1.8 - 3.3V
CBYPASS
CF
CBYPASS
R
C
32
19
nRST
12.1k
VSS
Figure 8.2 High-Level System Diagram for Power
8.1.3
Twisted-Pair Interface Diagram
49.9 Ohm Resistors
LAN8710
32-QFN
Analog
Supply
3.3V
Magnetic
Supply
2.5 - 3.3V
1
VDD2A
VDD1A
TXP
CBYPASS
27
29
CBYPASS
Magnetics
RJ45
1
2
3
4
5
6
7
8
75
28
31
TXN
RXP
75
30
RXN
1000 pF
3 kV
CBYPASS
Figure 8.4 Copper Interface Diagram
Revision 1.0 (04-15-09)
SMSC LAN8710/LAN8710i
DATA7S4HEET