LAN9730 Datasheet, PDF (21/61 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

High-Speed Inter-Chip (HSIC) USB 2.0 to 10/100 Ethernet Controller
Datasheet
Table 2.7 Power Pins and Ground Pad
NUM PINS
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
5
+3.3 V I/O
VDD33IO
Power
3
+3.3 V
VDD33A
Analog Power
2
+1.2 V Digital VDD12CORE
Core Power
1
+1.2 V USB VDD12USBPLL
PLL Power
1
+1.2 V HSIC
VDD12A
Power
1
+1.2 V
VDD12PLL
Ethernet PLL
Power
Exposed
pad on
package
bottom
(Figure 2.1)
Ground
VSS
P
Refer to Chapter 3, "Power Connections," on
page 24 and the device reference schematics for
connection information.
P
Refer to Chapter 3, "Power Connections," on
page 24 and the device reference schematics for
connection information.
P
Refer to Chapter 3, "Power Connections," on
page 24 and the device reference schematics for
connection information.
P
This pin must be connected to VDD12CORE for
proper operation.
Refer to Chapter 3, "Power Connections," on
page 24 and the device reference schematics for
additional connection information.
P
This pin must be connected to VDD12CORE for
proper operation.
Refer to Chapter 3, "Power Connections," on
page 24 and the device reference schematics for
connection information.
P
This pin must be connected to VDD12CORE for
proper operation.
Refer to Chapter 3, "Power Connections," on
page 24 and the device reference schematics for
additional connection information.
P
Common Ground
SMSC LAN9730/LAN9730i
21
DATASHEET
Revision 1.1 (05-13-13)