LPC47N267(2000) Ver la hoja de datos (PDF) - SMSC -> Microchip
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LPC47N267 Datasheet PDF : 180 Pages
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STQFP PIN #
81
82
83
32
33
34
35
36
37
38
39
NAME
SYMBOL
BUFFER
TYPE PER
FUNCTION1
DESCRIPTION
Error/
nERROR
I/
A low on this input from the printer indicates that
there is a error condition at the printer. Bit 3 of the
Printer Status register reads the nERR input. Refer
to Parallel Port description for use of this pin in
ECP and EPP mode.
FDC Head
Select
nHDSEL
OD12
See FDC Pin definition.
Autofeed
Output/
nALF/
(OD14/OP14)
/
This output goes low to cause the printer to
automatically feed one line after each line is
printed. The nALF output is the complement of bit
1 of the Printer Control Register.
Refer to Parallel Port description for use of this pin
in ECP and EPP mode.
FDC Density nDRVDEN0
Select 0
OD14
See FDC Pin definition.
(Note 4)
Strobe
Output/
nSTROBE/
(OD14/OP14)
/
An active low pulse on this output is used to strobe
the printer data into the printer. The nSTROBE
output is the complement of bit 0 of the Printer
Control Register.
Refer to Parallel Port description for use of this pin
in ECP and EPP mode.
FDC Drive nDS0
Select 0 (Note
4)
OD14
See FDC Pin definition.
X-BUS INTERFACE (17)
General
GP30/
Purpose I/O/
(I/O8)
General Purpose Input/Output.
X-Bus Data 0 XD0
O8
X-Bus Data Bit 0.
General
GP31/
Purpose I/O/
(I/O8)/ General Purpose Input/Output.
X-Bus Data 1 XD1
O8
X-Bus Data Bit 1.
General
GP32/
Purpose I/O/
(I/O8)/ General Purpose Input/Output.
X-Bus Data 2 XD2
O8
X-Bus Data Bit 2.
General
GP33/
Purpose I/O/
(I/O8)/ General Purpose Input/Output.
X-Bus Data 3 XD3
O8
X-Bus Data Bit 3.
General
GP34/
Purpose I/O/
(I/O8)/ General Purpose Input/Output.
X-Bus Data 4 XD4
O8
X-Bus Data Bit 4.
General
GP35/
Purpose I/O/
(I/O8)/ General Purpose Input/Output.
X-Bus Data 5 XD5
O8
X-Bus Data Bit 5.
General
GP36/
Purpose I/O/
(I/O8)/ General Purpose Input/Output.
X-Bus Data 6 XD6
O8
X-Bus Data Bit 6.
General
GP37/
Purpose I/O/
(I/O8)/ General Purpose Input/Output.
X-Bus Data 7 XD7
O8
X-Bus Data Bit 7.
SMSC DS – LPC47N267
Page 12
Rev. 10/23/2000
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