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FDC37N869 Datasheet(PDF) 13 Page - SMSC Corporation

Part # FDC37N869
Description  5V and 3.3V Super I/O Controller with Infrared Support for Portable Applications
PDF  147 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

FDC37N869 Datasheet(HTML) 13 Page - SMSC Corporation

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SMSC DS – FDC37N869
Page 13
Rev. 11/09/2000
TQFP
PIN #
NAME
SYMBOL
BUFFER
MODE
6
DESCRIPTION
60
nAcknowl-
edge/FDC
nDrive
Select 1
nACK
nDS1
I/OD12
A low active output 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.
See FDC Pin definition.
58
Paper End/
FDC
nWrite
Data
PE
nWRDATA
I/OD12
Another status output 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.
See FDC Pin definition.
57
Printer
Selected
Status/
FDC
nWrite
Gate
SLCT
nWGATE
I/OD12
This high active output 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.
See FDC Pin definition.
73
nError/FDC
nHead
Select
nERROR
nHDSEL
I/OD12
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.
See FDC Pin definition.
69
Port Data
0/FDC
nIndex
PD0
nINDEX
IOP14/IS
Port Data 0
See FDC Pin definition.
68
Port Data
1/FDC
nTrack 0
PD1
nTRK0
IOP14/IS
Port Data 1
See FDC Pin definition.
67
Port Data
2/FDC
nWrite
Protected
PD2
nWRTPRT
IOP14/IS
Port Data 2
See FDC Pin definition.
66
Port Data
3/FDC
nRead
Disk Data
PD3
nRDATA
IOP14/IS
Port Data 3
See FDC Pin definition.
64
Port Data
4/FDC
nDisk
Change
PD4
nDSKCHG
IOP14/IS
Port Data 4
See FDC Pin definition.
63
Port Data 5
PD5
IOP14
Port Data 5
62
Port Data
6/FDC
nMotor On
0
PD6
nMTR0
IOP14/ OD12
Port Data 6
See FDC Pin definition.
61
Port Data 7
PD7
IOP14
Port Data 7



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