FDC37C665GT-MS SMSC, FDC37C665GT-MS Datasheet - Page 117
![IC CTRLR SUPER I/O MULTI 100-QFP](/photos/6/82/68212/qfp100-g1_pkg_sml.jpg)
FDC37C665GT-MS
Manufacturer Part Number
FDC37C665GT-MS
Description
IC CTRLR SUPER I/O MULTI 100-QFP
Manufacturer
SMSC
Datasheet
1.FDC37C665GT-MS.pdf
(152 pages)
Specifications of FDC37C665GT-MS
Controller Type
I/O Controller
Interface
ISA Host
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
35mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1007
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FDC37C665GT-MS
Manufacturer:
Microchip Technology
Quantity:
10 000
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The configuration of the FDC37C665GT within
the user system is selected through software
selectable configuration registers. The different
configurations of the FDC37C666GT can be
selected through
options and software.
FDC37C665GT
REGISTERS
The configuration registers are used to select
programmable options of the FDC. After power
up, the FDC is in the default mode. The default
modes are identified in the Configuration Mode
Register
configuration registers, the following sequence
must be followed:
1.Enter Configuration Mode.
2.Configure FDC Registers.
3.Exit Configuration Mode.
Enter Configuration Mode
To enter the configuration mode of the
FDC37C665GT, two writes in succession to port
3F0H with 55H data are required. If a write to
another
Description.
address
a combination of jumper
or
To
CONFIGURATION
port
program
CONFIGURATION
occurs
the
117
between these two writes, the chip does not
enter the configuration mode.
recommended that interrupts be disabled for the
duration of these two writes.
Configure FDC37C665GT
The
configuration
registers are accessed by first writing the
number (0-F) of the desired register to port
3F0H
configuration register through port 3F1H.
Exit Configuration Mode
The configuration mode is exited by writing an
AAH to port 3F0H.
Programming Example
The following is an example of a configuration
program in Intel 8086 assembly language. For
this example, the FDC37C665GT is being reset
to the default condition after power up.
FDC37C665GT
and
then
registers,
writing
contains
CR0-CRF.
or
It is strongly
reading
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