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LPC47M10X Datasheet(PDF) 6 Page - SMSC Corporation

Part # LPC47M10X
Description  100 Pin Enhanced Super I/O Controller with LPC Interface for Consumer Applications
Download  188 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LPC47M10X Datasheet(HTML) 6 Page - SMSC Corporation

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Page 6
DESCRIPTION OF PIN FUNCTIONS
PIN
No./
QFP
NAME
TOTAL
SYMBOL
BUFFER
TYPE
BUFFER
TYPE
PER
FUNCTION
(NOTE 1)
NOTES
PROCESSOR/HOST LPC INTERFACE (10)
23:20
Multiplexed Command,
Address, Data [3:0]
4
LAD[3:0]
PCI_IO
PCI_IO
24
Frame
1
nLFRAME
PCI_I
PCI_I
25
Encoded DMA Request
1
nLDRQ
PCI_O
PCI_O
26
PCI Reset
1
nPCI_RESE
T
PCI_I
PCI_I
27
Power Down
1
nLPCPD
PCI_I
PCI_I
2
29
PCI Clock
1
PCI_CLK
PCI_ICL
K
PCI_ICLK
30
Serial IRQ
1
SER_IRQ
PCI_IO
PCI_IO
CLOCKS (2)
6
32.768 Trickle Clock
Input
1
CLOCKI32
IS
IS
3
19
14.318MHz Clock Input
1
CLOCKI
IS
IS
FAN CONTROL (4)
51
General Purpose I/O
/Fan Tachometer 2
1
GP30/
FAN_TACH2
IO8
(I/O8/OD8)/I
52
General Purpose I/O
/Fan Tachometer 1
1
GP31/
FAN_TACH1
IO8
(I/O8/OD8)/I
54
General Purpose I/O
/Fan Speed Control 2
1
GP32/FAN2
IO12
(I/O12/OD12)/
(O12/OD12)
4
55
General Purpose I/O
/Fan Speed Control 1
1
GP33/FAN1
IO12
(I/O12/OD12)/
(O12/OD12)
4
INFRARED INTERFACE (2)
61
Infrared Rx
/General Purpose I/O
1
IRRX2/GP34
IS/O8
IS/(IS/O8/OD8)
62
Infrared Tx
/General Purpose I/O
1
IRTX2/GP35
IO12
O12/(I/O12/
OD12)
5,6
POWER PINS (10)
53,
65,93
Power
3
VCC
7, 31,
60,76
Ground
4
VSS
40
Analog Ground
1
AVSS
44
Reference Voltage
1
VREF
18
Trickle Voltage
1
VTR
7
FDD INTERFACE (14)
16
Read Disk Data
1
nRDATA
IS
IS
11
Write Gate
1
nWGATE
O12
(O12/OD12)
10
Write Disk Data
1
nWDATA
O12
(O12/OD12)
12
Head Select
1
nHDSEL
O12
(O12/OD12)
8
Step Direction
1
nDIR
O12
(O12/OD12)
9
Step Pulse
1
nSTEP
O12
(O12/OD12)
4
Disk Change
1
nDSKCHG
IS
IS
5
Drive Select 0
1
nDS0
O12
(O12/OD12)


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