EVB9303 SMSC, EVB9303 Datasheet - Page 39

• Manufacturer Part Number: EVB9303
• Description: EVALUATION BOARD FOR LAN9303
• Manufacturer: SMSC

Specifications of EVB9303

• Main Purpose: Interface, Ethernet
• Embedded: No
• Utilized Ic / Part: LAN9303
• Primary Attributes: 3 Ports, 100BASE-TX/10BASE-T, Managed
• Secondary Attributes: Full Duplex and HP Auto-MDIX Support, 10BASE-T and 100BASE-TX
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1095

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
SMSC LAN9303/LAN9303i
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 3.7
Note 3.8
NAME
NAME
Power
Please refer to the LAN9303/LAN9303i Reference Schematic and LANCheck Schematic
Checklist on the SMSC website for additional connection information.
Please refer to the LAN9303/LAN9303i Reference Schematic and LANCheck Schematic
Checklist on the SMSC website for additional connection information.
VDD18CORE
Table 3.9 Core and I/O Power and Ground Pins
VDD18PLL
SYMBOL
SYMBOL
VDD33IO
VSS
XO
XI
Table 3.8 PLL Pins
DATASHEET
BUFFER
BUFFER
OCLK
TYPE
TYPE
ICLK
P
P
P
P
39
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
3.7.
3.8.
3.8.
DESCRIPTION
DESCRIPTION
Revision 1.4 (07-07-10)