LPC47S457-NC SMSC [SMSC Corporation], LPC47S457-NC Datasheet - Page 11

• Manufacturer Part Number: LPC47S457-NC
• Description: Advanced I/O with X-Bus Interface
• Manufacturer: SMSC [SMSC Corporation]

3
Note: Pin 4, XTAL2/CLKI32, must not be grounded if XOSEL is floating.
SMSC DS – LPC47S45x
PIN #
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
PINOUT
VTR
Vbat
XTAL1
XTAL2/CLKI32
AVSS
GP40/DRVDEN0
GP41/DRVDEN1
MTR0#
DSKCHG#
DS0#
DIR#
STEP#
WDATA#
WGATE#
HDSEL#
INDEX#
TRK0#
WRTPRT#
RDATA#
GP42/IO_PME#
VCC
CLOCKI
LAD0
LAD1
LAD2
LAD3
LFRAME#
LDRQ#
PCI_RESET#
LPCPD#
GP43/DDRC
PCI_CLK
NAME
PIN #
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
SER_IRQ
VSS
GP80
GP81
GP82
GP83
GP84
GP85
GP86
GP87
GP62/IRQINC
GP20/P17/DS1#
GP21/P16
GP22/P12/MTR1#
GP23/IRQIND
GP24/P17
GP25/P12
GP26/SYSOPT
GP60/LED1
GP61/LED2
GP27/IO_SMI#
GP30/nXCS2
GP31/nXCS3
VTR
GP32/FAN_TACH
GP33/FAN
KDAT
KCLK
MDAT
MCLK
VSS
GP34/IRQINA
NAME
DATASHEET
Page 11 of 259
PIN #
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
GP35/IRQINB
GP36/nKBDRST
GP37/A20M
VCC
nINIT
nSLCTIN
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
VSS
SLCT
PE
BUSY
nACK
nERROR
nALF
nSTROBE
RXD1
TXD1
nDSR1
nRTS1
nCTS1
nDTR1
nRI1
nDCD1
GP50/nRI2
VCC
NAME
PIN #
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
97
98
99
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
Rev. 07/09/2001
NAME