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FDC37M607 Datasheet(PDF) 81 Page - SMSC Corporation

Part # FDC37M607
Description  ENHANCED SUPER I/O CONTROLLER WITH INFRARED SUPPORT
PDF  182 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

FDC37M607 Datasheet(HTML) 81 Page - SMSC Corporation

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81
PARALLEL PORT
The FDC37M60x incorporates an IBM XT/AT
compatible parallel port.
This supports the
optional PS/2 type bi-directional parallel port
(SPP), the Enhanced Parallel Port (EPP) and
the Extended Capabilities Port (ECP) parallel
port
modes.
Refer
to
the
Configuration
Registers for information on disabling, power
down, changing the base address of the parallel
port, and selecting the mode of operation.
The parallel port also incorporates SMSC's
ChiProtect circuitry, which prevents possible
damage to the parallel port due to printer power-
up.
The functionality of the Parallel Port is achieved
through the use of eight addressable ports,
with their associated registers and control
gating. The control and data port are read/write
by the CPU, the status port is read/write in the
EPP mode.
The address map of the Parallel
Port is shown below:
DATA PORT
BASE ADDRESS + 00H
STATUS PORT
BASE ADDRESS + 01H
CONTROL PORT
BASE ADDRESS + 02H
EPP ADDR PORT
BASE ADDRESS + 03H
EPP DATA PORT 0
BASE ADDRESS + 04H
EPP DATA PORT 1
BASE ADDRESS + 05H
EPP DATA PORT 2
BASE ADDRESS + 06H
EPP DATA PORT 3
BASE ADDRESS + 07H
The bit map of these registers is:
D0
D1
D2
D3
D4
D5
D6
D7
NOTE
DATA PORT
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
1
STATUS
PORT
TMOUT
0
0
nERR
SLCT
PE
nACK
nBUSY
1
CONTROL
PORT
STROBE AUTOFD
nINIT
SLC
IRQE
PCD
0
0
1
EPP ADDR
PORT
PD0
PD1
PD2
PD3
PD4
PD5
PD6
AD7
2,3
EPP DATA
PORT 0
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
2,3
EPP DATA
PORT 1
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
2,3
EPP DATA
PORT 2
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
2,3
EPP DATA
PORT 3
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
2,3
Note 1: These registers are available in all modes.
Note 2: These registers are only available in EPP mode.
Note 3 : For EPP mode, IOCHRDY must be connected to the ISA bus.



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