LPC47M142-NC Standard Microsystems (SMSC), LPC47M142-NC Datasheet - Page 10

• Manufacturer Part Number: LPC47M142-NC
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LPC47M142-NC

• Lead Free Status / RoHS Status: Not Compliant

3
SMSC DS – LPC47M14X
65,93,1
60,76,
PIN #
23:20
7, 31,
QFP
101,
102,
113,
123
124
128
122
53,
18,
24
25
26
27
29
30
19
51
52
54
55
61
62
25
40
44
16
11
10
6
DESCRIPTION OF PIN FUNCTIONS
Multiplexed
Address, Data [3:0]
Frame
Encoded DMA Request
PCI Reset
Power Down
PCI Clock
Serial IRQ
32.768KHz Trickle Clock
Input
14.318MHz Clock Input
24MHz Crystal (terminal 1)
/ 48MHz Clock Input
24MHz Crystal (terminal 2)
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
NAME
Command,
PROCESSOR/HOST LPC INTERFACE (10)
TOTAL
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
7
1
1
3
1
1
1
INFRARED INTERFACE (2)
FDD INTERFACE (14)
FAN CONTROL (4)
POWER PINS (16)
AVSS
LAD[3:0]
LFRAME#
LDRQ#
PCI_RESET#
LPCPD#
PCI_CLK
SER_IRQ
CLOCKI32
CLOCKI
ICLK
OCLK
GP30/
FAN_TACH2
GP31/
FAN_TACH1
GP32/FAN2
GP33/FAN1
IRRX2/GP34
IRTX2/GP35
VCC
VSS
VREF
VTR
nRDATA
nWGATE
nWDATA
CLOCKS (4)
SYMBOL
Page 10
PCI_IO
PCI_I
PCI_O
PCI_I
PCI_I
PCI_ICLK
PCI_IO
IS
IS
IS
IS
IO8
IO8
IO12
IO12
IS/O8
IO12
IS
O12
O12
BUFFER
TYPE
PCI_IO
PCI_I
PCI_O
PCI_I
PCI_I
PCI_ICLK
PCI_IO
IS
IS
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)
PER FUNCTION
BUFFER TYPE
(NOTE 1)
Rev. 03/19/2001
NOTES
11, 14
5, 6
14
2
3
4
4
7