Table 2.7 no-connect pins, Datasheet – SMSC LAN9512 User Manual
Page 14
USB Hub with Integrated 10/100 Ethernet Controller
Datasheet
Revision 1.0 (04-20-09)
14
SMSC LAN9512
DATASHEET
Note 2.1
Exposed pad on package bottom (
).
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 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 reference schematics for
connection information.
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