LAN9313 Datasheet, PDF (40/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
Table 3.10 Core and I/O Power and Ground Pins
PIN
NAME
7,13,21,27,
33,39,46,
54,64,66,
72,73,81,
87,93,100
3,14,40,65,
74,88,104
+3.3V I/O
Power
Digital Core
+1.8V Power
Supply
Output
SYMBOL
VDD33IO
BUFFER
TYPE
DESCRIPTION
P
+3.3V Power Supply for I/O Pins and Internal
Regulator
Refer to the LAN9313/LAN9313i application note
for additional connection information.
VDD18CORE
P
Digital Core +1.8V Power Supply Output: +1.8V
power from the internal core voltage regulator. All
VDD18CORE pins must be tied together for proper
operation.
Refer to the LAN9313/LAN9313i application note
for additional connection information.
18,48,80,
97,112,113,
128
Note 3.15
Common
Ground
VSS
P
Common Ground
Note 3.15 Plus external pad for 128-XVTQFP package only
Table 3.11 No-Connect Pins
PIN
1,2,
57-59,
76,94,102,
103,109
NAME
No Connect
SYMBOL
NC
BUFFER
TYPE
DESCRIPTION
-
No Connect: These pins must be left floating for
normal device operation.
Revision 1.2 (04-08-08)
40
DATASHEET
SMSC LAN9313/LAN9313i