LPC47B272 Ver la hoja de datos (PDF) - SMSC -> Microchip
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LPC47B272 Datasheet PDF : 195 Pages
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PIN
No./
QFP
14
13
1
2
84
85
87
88
89
86
91
90
95
96
98
99
100
97
94
92
66
67
68
69
DESCRIPTION OF PIN FUNCTIONS
NAME
TOTAL
SYMBOL
BUFFER
TYPE
Track 0
1
nTRKO
IS
Index Pulse Input
1
nINDEX
IS
General Purpose
I/O/Drive Density
Select 0
1
GP40/
IO12
DRVDEN0
General Purpose
I/O/Drive Density
Select 1
1
GP41/
IO12
DRVDEN1
SERIAL PORT 1 INTERFACE (8)
Receive Serial Data 1
1
RXD1
IS
Transmit Serial Data 1
1
TXD1
O12
Request to Send 1
1
nRTS1/
O8
SYSOP
Clear to Send 1
1
nCTS1
I
Data Terminal Ready 1
1
nDTR1
O6
Data Set Ready 1
1
nDSR1
I
Data Carrier Detect 1
1
nDCD1
I
Ring Indicator 1
1
nRI1
I
SERIAL PORT 2 INTERFACE (8)
General Purpose I/O
/Receive Serial Data 2
/IRQ5
1
GP52/RXD2/ IS/O8
IRQ5
General Purpose I/O
/Transmit Serial Data 2
/IRQ7
1
GP53/TXD2/ IO12
IRQ7
General Purpose I/O
/Request to Send
2/IRQ10
1
GP55/
IO8
nRTS2/
IRQ10
General Purpose I/O
1
GP56/nCTS IO8
/Clear to Send 2/IRQ11
2/IRQ11
General Purpose I/O
/Data Terminal
Ready/IRQ15
1
GP57/nDTR IO8
2/IRQ15
General Purpose I/O
/Data Set Ready
2/IRQ9
1
GP54/nDSR IO8
2/IRQ9
General Purpose
1
GP51/
IO8
I/O/Data Carrier Detect
nDCD2/
2/IRQ4
IRQ4
General Purpose
I/O/Ring Indicator
2/IRQ3
1
GP50/nRI2/ IO8
IRQ3
PARALLEL PORT INTERFACE (17)
Initiate Output/FDC
Direction Control
1
nINIT /nDIR OP14
Printer Select
1
nSLCTIN
OP14
Input/FDC Step Pulse
/nSTEP
Port Data 0/FDC Index
1
PD0
/nINDEX
IS/OP14
Port Data 1/FDC Track
0
1
PD1 /nTRK0 IS/OP14
BUFFER TYPE
PER
FUNCTION
(NOTE 1)
IS
IS
(I/O12/OD12)/
(O12/OD12)
(I/O12/OD12)/
(O12/OD12)
IS
O12
O8
I
O6
I
I
I
(IS/O8/OD8)/
IS/IS
(I/O12/OD12)/
O12/I
(I/O8/OD8)/
O8/I
(I/O8/OD8)/I/I
(I/O8/OD8)/
O8/I
(I/O8/OD8)/I/I
(I/O8/OD8)/I/I
(I/O8/OD8)/I/I
(OD14/OP14)/
OD14
(OD14/OP14)/
OD14
IOP14/IS
IOP14/IS
NOTE
S
12
5,6,7
SMSC LPC47B27x
-9-
DATASHEET
Rev. 04-17-07
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