LPC47M172_07 SMSC [SMSC Corporation], LPC47M172_07 Datasheet - Page 18
![no-image](/images/no-image-200.jpg)
LPC47M172_07
Manufacturer Part Number
LPC47M172_07
Description
Advanced I/O Controller with Motherboard GLUE Logic
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LPC47M172_07.pdf
(226 pages)
- Current page: 18 of 226
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Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
SMSC/Non-SMSC Register Sets (Rev. 01-11-07)
121
122
124
125
126
127
128
33
34
35
36
37
38
39
40
41
42
43
44
PIN#
nDSR2
nRTS2
nCTS2
nDTR2
nDCD2
IRRX2
IRTX2
SLCT
PE
BUSY
nACK
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
(NOTE 1)
NAME
Active low Data Set Ready input for serial
port 2. See description for nDSR1.
Active low Request to Send output for
Serial Port 2. See description for nRTS1.
Active low Clear to Send input for serial
port 2. See description for nCTS1.
Active low Data Terminal Ready output
for serial port 2. See description for
nDTR1.
Active low Data Carrier Detect input for
serial port 2. See description for nDCD1.
Infrared receive input.
Infrared transmit output.
This high active input from the printer
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
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
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
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
Port Data 6 I/O
Port Data 5 I/O
Port Data 4 I/O
Port Data 3 I/O
Port Data 2 I/O
Port Data 1 I/O
Port Data 0 I/O
PARALLEL PORT INTERFACE (17)
DESCRIPTION
INFRARED INTERFACE (2)
DATASHEET
Page 18
IPD
O8
IPD
O8
IPD
ISPD_400
O12
I
I
I
I
IOP14
IOP14
IOP14
IOP14
IOP14
IOP14
IOP14
IOP14
(NOTE 2)
BUFFER
NAME
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
(NOTE 3)
WELL
PWR
SMSC LPC47M172
10
10
10
10
9
NOTES
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