LAN8710 Datasheet, PDF (74/79 Pages) SMSC Corporation – MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology in a Small Footprint

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