LAN9420-NU Standard Microsystems (SMSC), LAN9420-NU Datasheet - Page 15

• Manufacturer Part Number: LAN9420-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9420-NU

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Chapter 2 Pin Description and Configuration
SMSC LAN9420/LAN9420i
AUTOMDIX_EN
GPIO0/nLED1
VDD33BIAS
PWRGOOD
VDD18PLL
VAUXDET
VDD18TX
VDD33A
VDD33A
EXRES
TPO+
TPO-
TPI+
VSS
VSS
VSS
VSS
VSS
TPI-
NC
NC
NC
NC
NC
NC
XO
NC
NC
NC
NC
NC
XI
NOTE: When HP Auto-MDIX is activated, the TPO+/- pins function as TPI+/- and vice-versa.
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Figure 2.1 LAN9420/LAN9420i 128-VTQFP (Top View)
LAN9420/LAN9420i
128-VTQFP
DATASHEET
SMSC
TOP VIEW
15
Revision 1.4 (12-17-08)
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
NC
NC
AD15
nCBE1
PAR
nSERR
VDD33IO
VSS
nPERR
nSTOP
nDEVSEL
nTRDY
nIRDY
VDD33IO
VSS
VSS
nFRAME
nCBE2
AD16
AD17
AD18
VDD33IO
VSS
AD19
AD20
AD21
AD22
AD23
VDD33IO
VSS
IDSEL
nCBE3