Datasheet

USB 2.0 Hub and 10/100 Ethernet Controller
Datasheet
Revision 1.2 (02-29-12) 16 SMSC LAN9512/LAN9512i
DATASHEET
2.1 Power Connections
Figure 2.2 illustrates the power connections for LAN9512/LAN9512i..
Figure 2.2 Power Connections
+3.3V
(IN)
+1.8V
(OUT)
Internal Core
Regulator
VDD33IO
+3.3V
VDD18CORE
VDD18CORE
Core Logic
VDD18USBPLL
USB PHY
1.0uF
Exposed Pad
VDD33A
VDD33IO
0.1uF
VDD33IO
VDD33IO
VDD33IO
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
LAN9512
VDD33A
VDD33A
VDD33A
0.1uF
0.1uF
64-PIN QFN
2.0A
120 ohm @
100MHz
VSS
VDD18ETHPLL
0.1uF
PLL
&
Ethernet PHY
0.1uF
2.0A
120 ohm @
100MHz
VDD33A
0.1uF
VDD33A
VDD33A
0.1uF
0.1uF
+3.3V
(IN)
+1.8V
(OUT)
Internal USB PLL
Regulator
4.7uF 0.1uF 0.1uF