lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 23

• 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.

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
Chapter 3 Pin Description and Configuration
SMSC LAN9303M/LAN9303Mi
VDD33BIAS
3.1
3.1.1
VDD18PLL
VDD18TX1
VDD18TX2
VDD33A1
VDD33A1
VDD33A2
VDD33A2
P0_IND3
EXRES
RXN1
RXP1
RXP2
RXN2
TXN1
TXP1
TXP2
TXN2
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
72-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
LAN9303M/LAN9303Mi
Figure 3.1 Pin Assignments (TOP VIEW)
72 PIN QFN
(TOP VIEW)
SMSC
VSS
DATASHEET
23
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
P1_COL
P1_DUPLEX
LED0/GPIO0/AMDIX1_LED0P
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
P1_INCLK
P1_INER
Revision 1.3 (08-27-09)