SMSC LAN9420i Manual De Usuario
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i
15
Revision 1.22 (09-25-08)
DATASHEET
Chapter 2 Pin Description and Configuration
Figure 2.1 LAN9420/LAN9420i 128-VTQFP (Top View)
SMSC
LAN9420/LAN9420i
128-VTQFP
TOP VIEW
97
NC
AD15
NC
PAR
nCBE1
VDD33IO
nSERR
nPERR
VSS
nDEVSEL
nSTOP
nIRDY
nTRDY
VSS
VDD33IO
nFRAME
VSS
AD16
nCBE2
AD18
AD17
VSS
VDD33IO
AD20
AD19
AD22
AD21
VDD33IO
AD23
IDSEL
VSS
nCBE3
NC
EE
CS
EE
C
LK/
GP
O4
EE
DI
O
/GP
O3
NC
VD
D
33IO
NC
AD
0
VS
S
AD
2
AD
1
AD
4
AD
3
VD
D
18CO
R
E
VS
S
VS
S
VD
D
33IO
AD
6
AD
5
nC
BE
0
AD
7
VD
D
33IO
AD
8
AD
9
VS
S
AD
11
AD
10
AD
13
AD
12
VS
S
VD
D
33IO
AD
14
GPIO1
/nLE
D2
VD
D
33IO
GPIO2
/nLE
D3
VD
D
33IO
VS
S
VD
D
33IO
VD
D
33IO
VD
D1
8CO
R
E
VD
D1
8CO
R
E
VS
S
VS
S
VD
D
33IO
VS
S
PC
InR
ST
nINT
nG
NT
PC
IC
LK
nP
ME
nR
EQ
VD
D
33IO
VS
S
AD
30
AD
31
AD
28
AD
29
VS
S
AD
27
AD
26
VD
D
33IO
AD
24
AD
25
NC
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
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
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
NC
NC
NC
NC
NC
NC
GPIO0/nLED1
VAUXDET
PWRGOOD
XI
XO
VSS
VDD18PLL
VDD18TX
AUTOMDIX_EN
NC
NC
NC
VDD33BIAS
VSS
EXRES
VSS
VDD33A
TPI+
NC
TPI-
VDD33A
VSS
TPO+
TPO-
VSS
NC
NC
NC
NOTE: When HP Auto-MDIX is activated, the TPO+/- pins function as TPI+/- and vice-versa.