Datasheet

USB 2.0 Hub and 10/100 Ethernet Controller
Datasheet
Revision 1.2 (02-29-12) 14 SMSC LAN9512/LAN9512i
DATASHEET
Note 2.1 Exposed pad on package bottom (Figure 2.1).
Table 2.6 I/O Power Pins, Core Power Pins, and Ground Pad
NUM
PINS NAME SYMBOL
BUFFER
TYPE DESCRIPTION
5
+3.3V I/O
Power
VDD33IO P +3.3V Power Supply for I/O Pins.
Refer to the LAN9512/LAN9512i reference
schematics for connection information.
2
Digital Core
+1.8V Power
Supply Output
VDD18CORE P +1.8 V power from the internal core voltage
regulator. All VDD18CORE pins must be tied
together for proper operation.
Refer to the LAN9512/LAN9512i reference
schematics for connection information.
1
Note
2.1
Ground VSS P Ground
Table 2.7 No-Connect Pins
NUM
PINS NAME SYMBOL
BUFFER
TYPE DESCRIPTION
6
No Connect NC - These pins must be left floating for normal device
operation