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LPC47S422QFP Datasheet(PDF) 10 Page - SMSC Corporation

Part # LPC47S422QFP
Description  ENHANCED SUPER I/O WITH LPC INTERFACE FOR SERVER APPLICATIONS
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LPC47S422QFP Datasheet(HTML) 10 Page - SMSC Corporation

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10
PIN #
NAME
FUNCTION
BUFFER
TYPE
BUFFER TYPE PER
FUNCTION (NOTE 1)
83
nSTROBE/nDS0
Strobe Output/FDC Drive Select
OP14
(OD14/OP14)/
OD14
SERIAL PORT 1 INTERFACE
84
RXD1
Receive Data 1
IS
IS
85
TXD1
Transmit Data 1
O12
O12
86
nDSR1
Data Set Ready 1
I
I
87
nRTS1
Request to Send 1
O8
O8
88
nCTS1
Clear to Send 1
I
I
89
nDTR1
Data Terminal Ready 1
O6
O6
90
nRI1
Ring Indicator 1
I
I
91
nDCD1
Data Carrier Detect 1
I
I
SERIAL PORT 2 INTERFACE
92
GP50/nRI2
General Purpose I/O/Ring
Indicator 2
IO8
(I/O8/OD8)/I
94
GP51/nDCD2
General Purpose I/O/Data Carrier
Detect 2
IO8
(I/O8/OD8)/I
95
GP52/RXD2/IRRX
General Purpose I/O/Receive
Data 2/IRRX
IS/O8
(IS/O8/OD8)/IS/IS
96
GP53/TXD2/IRTX
General Purpose I/O/Transmit
Data 2/IRTX
(Note 5, 6)
IO12
(I/O12/OD12)/O12/
O12
97
GP54/nDSR2
General Purpose I/O/Data Set
Ready 2
IO8
(I/O8/OD8)/I
98
GP55/nRTS2
General Purpose I/O/Request to
Send 2
IO8
(I/O8/OD8)/O8
99
GP56/nCTS2
General Purpose I/O/Clear to
Send 2
IO8
(I/O8/OD8)/I
100
GP57/nDTR2
General Purpose I/O/Data
Terminal Ready 2
IO8
(I/O8/OD8)/O8
POWER PINS
53,
65, 93
VCC
+3.3 Volt Supply Voltage
18
VTR
+3.3 Volt Standby Supply Voltage
(Note 6)
7, 31,
60, 76
VSS
Ground
CLOCK PINS
6
CLKI32
32.768kHz Standby Clock Input
(Note 3)
IS
IS
19
CLOCKI
14.318MHz Clock Input
IS
IS
Note:
The "n" as the first letter of a signal name indicates an "Active Low" signal.
Note 1: Buffer types per function on multiplexed pins are separated by a slash “/”. Buffer types in
parenthesis represent multiple buffer types for a single pin function.


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