LPC47M112_07 SMSC [SMSC Corporation], LPC47M112_07 Datasheet - Page 9

• Manufacturer Part Number: LPC47M112_07
• Description: Enhanced Super I/O Controller with LPC Interface
• Manufacturer: SMSC [SMSC Corporation]

Enhanced Super I/O Controller with LPC Interface
Datasheet
3
SMSC DS – LPC47M112
PROCESSOR/HOST LPC INTERFACE (10)
23:20
24
25
26
27
29
30
CLOCKS (2)
6
19
FAN CONTROL (4)
51
52
54
55
INFRARED INTERFACE (2)
61
62
POWER PINS (10)
53, 65,93
7, 31, 60,76
40
44
18
FDD INTERFACE (14)
16
11
10
12
8
PIN No./ QFP
DESCRIPTION OF PIN FUNCTIONS
Multiplexed Command,
Address, Data [3:0]
Frame
Encoded
Request
Power Down
PCI Clock
Serial IRQ
32.768 Trickle Clock
Input
14.318MHz
Input
General Purpose I/O
/Fan Tachometer 2
General Purpose I/O
/Fan Tachometer 1
General Purpose I/O
/Fan Speed Control 2
General Purpose I/O
/Fan Speed Control 1
Infrared Rx
/General Purpose I/O
Infrared Tx
/General Purpose I/O
Power
Ground
Analog Ground
Reference Voltage
Trickle Voltage
Read Disk Data
Write Gate
Write Disk Data
Head Select
Step Direction
PCI Reset
NAME
Clock
DMA
DATASHEET
3
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
1
1
TOTAL
Page 9
LAD[3:0]
nLFRAME
nLDRQ
nPCI_RESE
T
nLPCPD
PCI_CLK
SER_IRQ
CLOCKI32
CLOCKI
GP30/
FAN_TACH
2
GP31/
FAN_TACH
1
GP32/FAN2
GP33/FAN1
IRRX2/GP34
IRTX2/GP35
VCC
VSS
AVSS
VREF
VTR
nRDATA
nWGATE
nWDATA
nHDSEL
nDIR
SYMBOL
PCI_IO
PCI_I
PCI_O
PCI_I
PCI_I
PCI_ICL
K
PCI_IO
IS
IS
IO8
IO8
IO12
IO12
IS/O8
IO12
IS
O12
O12
O12
O12
BUFFER
TYPE
PCI_IO
PCI_I
PCI_O
PCI_I
PCI_I
PCI_ICLK
PCI_IO
IS
IS
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O12/OD12)/
(O12/OD12)
(I/O12/OD12)/
(O12/OD12)
IS/(IS/O8/OD8)
O12/(I/O12/ OD12)
IS
(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
PER FUNCTION
BUFFER TYPE
(NOTE 1)
Rev. 02-16-07
2
3
4
4
5,6
7
NOTES