LPC47M182-NW Ver la hoja de datos (PDF) - SMSC -> Microchip
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LPC47M182-NW Datasheet PDF : 223 Pages
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PIN#
121
NAME
(NOTE 1)
nDSR2
122 nRTS2
124 nCTS2
125 nDTR2
126 nDCD2
127 IRRX2
128 IRTX2
33
SLCT
34
PE
35
BUSY
36
nACK
37
PD7
38
PD6
39
PD5
40
PD4
41
PD3
42
PD2
43
PD1
44
PD0
Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
DESCRIPTION
BUFFER
NAME
(NOTE 2)
Active low Data Set Ready input for serial IPD
port 2. See description for nDSR1.
Active low Request to Send output for
O8
Serial Port 2. See description for nRTS1.
Active low Clear to Send input for serial
IPD
port 2. See description for nCTS1.
Active low Data Terminal Ready output
O8
for serial port 2. See description for
nDTR1.
Active low Data Carrier Detect input for
IPD
serial port 2. See description for nDCD1.
INFRARED INTERFACE (2)
Infrared receive input.
ISPD_400
Infrared transmit output.
O12
PARALLEL PORT INTERFACE (17)
This high active input from the printer
I
indicates that it has power on. Bit 4 of the
Printer Status Register reads the SLCT
input. Refer to Parallel Port description
for use of this pin in ECP and EPP mode.
Another status input from the printer, a
I
high indicating that the printer is out of
paper. Bit 5 of the Printer Status Register
reads the PE input. Refer to Parallel Port
description for use of this pin in ECP and
EPP mode.
This is a status input from the printer, a
I
high indicating that the printer is not ready
to receive new data. Bit 7 of the Printer
Status Register is the complement of the
BUSY input. Refer to Parallel Port
description for use of this pin in ECP and
EPP mode.
A low active input from the printer
I
indicating that it has received the data
and is ready to accept new data. Bit 6 of
the Printer Status Register reads the
nACK input. Refer to Parallel Port
description for use of this pin in ECP and
EPP mode.
Port Data 7 I/O
IOP14
Port Data 6 I/O
IOP14
Port Data 5 I/O
IOP14
Port Data 4 I/O
IOP14
Port Data 3 I/O
IOP14
Port Data 2 I/O
IOP14
Port Data 1 I/O
IOP14
Port Data 0 I/O
IOP14
PWR
WELL
(NOTE 3)
VCC
NOTES
10
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10
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10
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10
VCC
9
VCC
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Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
18
DATASHEET
SMSC LPC47M182
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