High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
3.1.2
128-XVTQFP Pin Diagram
VSS
97
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
VDD33IO
IRQ
EEDO/EEPROM_TYPE
98
SMSC
LAN9312
EECLK/EE_SCL/
EEPROM_SIZE_1
99
PME
END_SEL
FIFO_SEL
nCS
VDD33IO
100
101
102
EECS/EEPROM_SIZE_0
NC
NC
128-XVTQFP
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
nWR
nRD
TOP VIEW
VDD18CORE
XI
NC
XO
A2
VDD18PLL
TEST2
NC
VDD33IO
A3
A4
TXN1
A5
TXP1
A6
VSS
A7
VSS
VSS
VSS
VDD33A1
RXN1
A8
VDD33IO
A9
RXP1
VDD33A1
VDD18TX1
EXRES
VDD33BIAS
VDD18TX2
VDD33A2
RXP2
D0
D1
D2
D3
VDD18CORE
VDD33IO
D4
RXN2
D5
VDD33A2
TXP2
D6
D7
TXN2
D8
VSS
VDD33IO
NOTE: EXPOSED PAD ON BOTTOM OF PACKAGE MUST BE CONNECTED TO GROUND
Figure 3.2 LAN9312 128-XVTQFP Pin Assignments (TOP VIEW)
SMSC LAN9312
Revision 1.2 (04-08-08)
DATA2S7HEET
SMSC [ SMSC CORPORATION ]
