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F71869 Datasheet(PDF) 11 Page - Feature Integration Technology Inc.

Part # F71869
Description  Super I/O Hardware Monitor
PDF  116 Pages
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Manufacturer  FINTEK [Feature Integration Technology Inc.]
Direct Link  http://www.fintek.com.tw/eng
Logo FINTEK - Feature Integration Technology Inc.

F71869 Datasheet(HTML) 11 Page - Feature Integration Technology Inc.

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Fintek
Feature Integration Technology Inc.
2009
V1.1
10
F71869
STEP#
OD14-5v
Step output pulses. This active low open drain output
produces a pulse to move the head to another track.
FDC function is selected by register setting.
GPIO36
I/OD14st5v
Default General Purpose IO.
13
HDSEL#
OD14-5v
VCC
Head select. This open drain output determines which disk
drive head is active.
Logic 1 = side 0
Logic 0 = side 1
FDC function is selected by register setting.
GPIO37
I/OD14st5v
Default General Purpose IO.
14
WGATE#
OD14-5v
VCC
Write enable. An open drain output.
FDC function is selected by register setting.
GPIO50
I/OOD12st5v
Default General Purpose IO.
15
RDATA#
INst5v
VCC
The read data input signal from the FDD.
FDC function is selected by register setting.
GPIO51
I/OOD12st5v
Default General Purpose IO.
16
TRK0#
INst5v
VCC
Track 0. This Schmitt-triggered input from the disk drive is
active low when the head is positioned over the outermost
track.
FDC function is selected by register setting.
GPIO52
I/OOD12st5v
Default General Purpose IO.
17
INDEX#
INst5v
VCC
This Schmitt-triggered input from the disk drive is active low
when the head is positioned over the beginning of a track
marked by an index hole.
FDC function is selected by register setting.
GPIO53
I/OOD12st5v
Default General Purpose IO.
18
WPT#
INst5v
VCC
Write protected. This active low Schmitt input from the disk
drive indicates that the diskette is write-protected.
FDC function is selected by register setting.
GPIO54
I/OOD12st5v
Default General Purpose IO.
19
DSKCHG#
INst5v
VCC
Diskette change. This signal is active low at power on and
whenever the diskette is removed.
FDC function is selected by register setting.
4.4
UART and SIR
Pin No.
Pin Name
Type
PWR
Description
GPIO42
I/OOD12t5v
Default General Purpose IO.
27
IRTX
O12
VCC
Infrared Transmitter Output. The function is selected by
register setting.
GPIO43
I/OOD12t5v
Default General Purpose IO.
28
IRRX
INst5v
VCC
Infrared Receiver input. The function is selected by register



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