LAN9514_12 Datasheet, PDF (16/52 Pages) SMSC Corporation – USB 2.0 Hub and 10/100 Ethernet Controller

2.1
USB 2.0 Hub and 10/100 Ethernet Controller
Datasheet
Power Connections
Figure 2.2 illustrates the power connections for LAN9514/LAN9514i..
+3.3V
0.1uF
VDD33IO
0.1uF
0.1uF
0.1uF
0.1uF
2.0A
120 ohm @
100MHz
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
VDD33IO
VDD33IO
VDD33IO
VDD33IO
VDD33A
VDD33A
VDD33A
VDD33A
VDD33A
VDD33A
VDD33A
Exposed Pad _VSS
LAN9514
64-PIN QFN
+3.3V
(IN)
Internal Core
Regulator
+1.8V
(OUT)
VDD18CORE
4.7uF 0.1uF 0.1uF
Core Logic
VDD18CORE
PLL
&
Ethernet PHY
VDD18ETHPLL
Internal USB PLL
Regulator
+3.3V
(IN)
+1.8V
(OUT)
VDD18USBPLL
0.1uF
2.0A
120 ohm @
100MHz
1.0uF
USB PHY
Figure 2.2 Power Connections
Revision 1.2 (02-29-12)
16
DATASHEET
SMSC LAN9514/LAN9514i