LPC47B27X Ver la hoja de datos (PDF) - SMSC -> Microchip
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Lista de partido
LPC47B27X Datasheet PDF : 195 Pages
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PIN
No./
QFP
23:20
24
25
26
27
29
30
6
19
51
52
54
55
61
62
53,
65,93
7, 31,
60,76
40
44
18
16
11
10
12
8
9
4
5
3
15
DESCRIPTION OF PIN FUNCTIONS
NAME
TOTAL
SYMBOL
BUFFER
TYPE
PROCESSOR/HOST LPC INTERFACE (10)
Multiplexed Command,
Address, Data [3:0]
4
LAD[3:0]
PCI_IO
Frame
1
nLFRAME PCI_I
Encoded DMA Request
1
nLDRQ
PCI_O
PCI Reset
1
nPCI_RESE PCI_I
T
Power Down
1
nLPCPD
PCI_I
PCI Clock
1
PCI_CLK
PCI_ICL
K
Serial IRQ
1
SER_IRQ
PCI_IO
CLOCKS (2)
32.768kHz Trickle
Clock Input
1
CLOCKI32 IS
14.318MHz Clock Input
1
CLOCKI
IS
FAN CONTROL (4)
General Purpose I/O
/Fan Tachometer 2
1
GP30/
IO8
FAN_TACH2
General Purpose I/O
/Fan Tachometer 1
1
GP31/
IO8
FAN_TACH1
General Purpose I/O
1
GP32/FAN2 IO12
/Fan Speed Control 2
General Purpose I/O
1
GP33/FAN1 IO12
/Fan Speed Control 1
INFRARED INTERFACE (2)
Infrared Rx
1
IRRX2/GP34 IS/O8
/General Purpose I/O
Infrared Tx
1
IRTX2/GP35 IO12
/General Purpose I/O
POWER PINS (10)
+3.3 Volt Supply
Voltage
3
VCC
Ground
4
VSS
Analog Ground
Reference Voltage
+3.3 Volt Standby
Supply Voltage
Read Disk Data
Write Gate
Write Disk Data
Head Select
Step Direction
Step Pulse
Disk Change
Drive Select 0
Motor On 0
Write Protected
1
AVSS
1
VREF
1
VTR
FDD INTERFACE (14)
1
nRDATA
IS
1
nWGATE
O12
1
nWDATA
O12
1
nHDSEL
O12
1
nDIR
O12
1
nSTEP
O12
1
nDSKCHG IS
1
nDS0
O12
1
nMTR0
O12
1
nWRTPRT IS
BUFFER TYPE
PER
FUNCTION
(NOTE 1)
NOTE
S
PCI_IO
PCI_I
PCI_O
PCI_I
PCI_I
2
PCI_ICLK
PCI_IO
IS
3
IS
(I/O8/OD8)/I
(I/O8/OD8)/I
(I/O12/OD12)/ 4
(O12/OD12)
(I/O12/OD12)/ 4
(O12/OD12)
IS/(IS/O8/OD8)
O12/(I/O12/
5,6
OD12)
8
IS
(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
(O12/OD12)
IS
(O12/OD12)
(O12/OD12)
IS
SMSC LPC47B27x
-8-
Rev. 04-17-07
DATASHEET
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