3
PINOUT
PIN #
1
2
3
4
5
6
7
NAME
VTR
Vbat
XTAL1
XTAL2/CLKI32
AVSS
GP40/DRVDEN0
GP41/DRVDEN1
PIN #
33
34
35
36
37
38
39
NAME
SER_IRQ
VSS
GP80
GP81
GP82
GP83
GP84
PIN #
65
66
67
68
69
70
71
NAME
GP35/IRQINB
GP36/nKBDRST
GP37/A20M
VCC
nINIT
nSLCTIN
PD0
PIN #
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
8
MTR0#
40
GP85
72
PD1
9
DSKCHG#
41
GP86
73
PD2
10
DS0#
42
GP87
74
PD3
11
DIR#
43
GP62/IRQINC
75
PD4
12
STEP#
44
GP20/P17/DS1#
76
PD5
13
WDATA#
45
GP21/P16
77
PD6
14
WGATE#
46
GP22/P12/MTR1#
78
PD7
VSS
15
HDSEL#
47
GP23/IRQIND
79
16
INDEX#
48
GP24/P17
80
SLCT
17
TRK0#
49
GP25/P12
81
PE
18
WRTPRT#
50
GP26/SYSOPT
82
BUSY
19
RDATA#
51
GP60/LED1
83
nACK
20
GP42/IO_PME#
52
GP61/LED2
84
nERROR
VCC
21
53
GP27/IO_SMI#
85
nALF
22
CLOCKI
54
GP30/nXCS2
86
nSTROBE
23
LAD0
55
GP31/nXCS3
87
RXD1
VTR
24
LAD1
56
88
TXD1
25
LAD2
57
GP32/FAN_TACH
89
nDSR1
26
LAD3
58
GP33/FAN
90
nRTS1
27
LFRAME#
59
KDAT
91
nCTS1
28
LDRQ#
60
KCLK
92
nDTR1
29
PCI_RESET#
61
MDAT
93
nRI1
30
LPCPD#
62
MCLK
94
nDCD1
VSS
31
GP43/DDRC
63
95
GP50/nRI2
VCC
32
PCI_CLK
64
GP34/IRQINA
96
Note:
Pin 4, XTAL2/CLKI32, must not be grounded if XOSEL is floating.
NAME
GP51/nDCD2
GP52/RXD2/IRRX
GP53/TXD2/IRTX
GP54/nDSR2
GP55/nRTS2
/SADR0
GP56/nCTS2
GP57/nDTR2
/SADR1
SCLK
SDAT
VSS
nXWR/GP70
nXRD/GP71
XA0/GP72
XA1/GP73
XA2/GP74
XA3/GP75
nXCS0/GP76
XCS1/GP77
LCDCS
XD0/GP10
XD1/GP11
XD2/GP12
XD3/GP13
XD4/GP14
XD5/GP15
XD6/GP16
XD7/GP17
XOSEL
VTR
CLKO40
nPB_IN
nPS_ON
SMSC DS – LPC47S45x
Page 11 of 259
Rev. 07/09/2001
DATASHEET
SMSC [ SMSC CORPORATION ]
