lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 45
lan9303m
Manufacturer Part Number
lan9303m
Description
Small Form Factor Three Port 10/100 Managed Ethernet Switch With Dual Mii/rmii/turbo Mii
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9303M.pdf
(380 pages)
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Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
SMSC LAN9303M/LAN9303Mi
PINS
PINS
NUM
NUM
PAD
1
1
1
5
2
1
Crystal Output
Supply Output
Power Supply
+1.8V Power
Crystal Input
Digital Core
PLL +1.8V
+3.3V I/O
Common
Ground
Note 3.9
Note 3.10 Please refer to the LAN9303M/LAN9303Mi Reference Schematic and LANCheck
NAME
NAME
Power
Please refer to the LAN9303M/LAN9303Mi Reference Schematic and LANCheck
Schematic Checklist on the SMSC website for additional connection information.
Schematic Checklist on the SMSC website for additional connection information.
VDD18CORE
Table 3.10 Core and I/O Power and Ground Pins
VDD18PLL
SYMBOL
SYMBOL
VDD33IO
VSS
XO
XI
Table 3.9 PLL Pins
DATASHEET
BUFFER
BUFFER
OCLK
TYPE
TYPE
ICLK
P
P
P
P
45
This pin must be connected to VDD18CORE for
proper operation.
See
External 25MHz crystal input. This signal can also
be driven by a single-ended clock oscillator. When
this method is used, XO should be left
unconnected.
External 25MHz crystal output.
+3.3V Power Supply for I/O Pins and Internal
Regulator.
See
+1.8V power from the internal core voltage
regulator. All VDD18CORE pins must be tied
together for proper operation.
See
Ground
Note
Note
Note
3.9.
3.10.
3.10.
DESCRIPTION
DESCRIPTION
Revision 1.3 (08-27-09)
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