lan9303 Standard Microsystems Corp., lan9303 Datasheet - Page 23

• Manufacturer Part Number: lan9303
• Description: Small Form Factor Three Port 10/100 Managed Ethernet Switch With Single Mii/rmii/turbo Mii
• Manufacturer: Standard Microsystems Corp.

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
Chapter 3 Pin Description and Configuration
SMSC LAN9303/LAN9303i
3.1
3.1.1
VDD33BIAS
VDD18TX1
VDD18TX2
VDD33A1
VDD33A1
VDD33A2
VDD33A2
EXRES
RXN1
RXN2
RXP1
RXP2
TXP1
TXP2
43
44
45
46
47
48
49
50
51
52
53
54
55
56
56-QFN Pin Diagram
Pin Diagram
NOTE: When HP Auto-MDIX is activated, the TXN/TXP pins can function as RXN/RXP and vice-versa
NOTE: Exposed pad (VSS) on bottom of package must be connected to ground
LAN9303/LAN9303i
Figure 3.1 Pin Assignments (TOP VIEW)
56 PIN QFN
(TOP VIEW)
SMSC
VSS
DATASHEET
23
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LED1/GPIO1/AMDIX2_LED1P
LED2/GPIO2/E2PSIZE_LED2P
LED3/GPIO3/MNGT0_LED3P
LED4/GPIO4/MNGT1_LED4P
LED5/GPIO5/PHYADDR_LED5P
VDD33IO
MDC
MDIO
P0_DUPLEX
P0_CRS
P0_COL
P0_OUTCLK
P0_OUTDV
VDD33IO
Revision 1.3 (08-27-09)