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LM9830 Datenblatt(PDF) 21 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Teilenummer LM9830
Bauteilbeschribung  LM9830 36-Bit Color Document Scanner
PDF  45 Pages
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Hersteller  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM9830 Datenblatt(HTML) 21 Page - National Semiconductor (TI)

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PAPER SENSOR SETTINGS
58
Paper Sensor #1 Polarity
0 A low input on Paper Sensor #1 is True
1 A high input on Paper Sensor #1 is True
Paper Sensor #1: Level/Edge sensitive
0
Level sensitive: Paper Sensor #1 State bit (in Status
Register) is set to a 1 if Paper Sensor #1 is currently
True.
1
Edge sensitive: Paper Sensor #1 State bit (in Status
Register) is set to a 1 if Paper Sensor #1 has been
True since the last time the Status Register was read.
Paper Sensor #1: Stop Scan
0
Transitions on Paper Sensor #1 will not clear the
scanning bit.
1
A False - to - True transition on Paper Sensor #1 will
clear the Command Register and stop the scan.
Paper Sensor #2 Polarity
0
A low input on Paper Sensor #2 is True
1
A high input on Paper Sensor #2 is True
Paper Sensor #2: Level/Edge sensitive
0
Level sensitive: Paper Sensor #2 State bit (in Status
Register) is set to a 1 if Paper Sensor #2 is currently
True.
1
Edge sensitive: Paper Sensor #2 State bit (in Status
Register) is set to a 1 if Paper Sensor #2 has been
True since the last time the Status Register was read.
Paper Sensor #2: Stop Scan
0
Transitions on Paper Sensor #2 will not clear the
scanning bit.
1
A False - to - True transition on Paper Sensor #2 will
clear the Command Register and stop the scan (after
the number of lines specified in the Fullsteps to Scan
after Paper Sensor #2 trips register).
MISC I/O PIN SETTINGS
59
Misc I/O #1: Input or Output
0 The Misc I/O #1 pin is configured as an input.
1 The Misc I/O #1 pin is configured as an output.
Misc I/O #1: Polarity
(if configured as an input)
0
A low input on Misc I/O #1 is True
1
A high input on Misc I/O #1 is True
Misc I/O #1: Level/Edge sensitive
(if configured as an input)
0
Level sensitive: Misc I/O #1 State bit (in Status
Register) is set to a 1 if Misc I/O #1 is currently True.
1
Edge sensitive: Misc I/O #1 State bit (in Status
Register) is set to a 1 if Misc I/O #1 has been True
since the last time the Status Register was read.
Misc I/O #1: Output State
(if configured as an output)
0
The output of the Misc I/O #1 pin will be a logic low
(0V).
1
The output of the Misc I/O #1 pin will be a logic high
(5V).
Misc I/O #2: Input or Output
0
The Misc I/O #2 pin is configured as an input.
1
The Misc I/O #2 pin is configured as an output.
Misc I/O #2: Polarity
(if configured as an input)
0
A low input on Misc I/O #2 is True
1
A high input on Misc I/O #2 is True
Misc I/O #2: Level/Edge sensitive
(if configured as an input)
0
Level sensitive: Misc I/O #2 State bit (in Status
Register) is set to a 1 if Misc I/O #2 is currently True.
1
Edge sensitive: Misc I/O #2 State bit (in Status
Register) is set to a 1 if Misc I/O #2 has been True
since the last time the Status Register was read.
Misc I/O #2: Output State
(if configured as an output)
0
The output of the Misc I/O #2 pin will be a logic low
(0V).
1
The output of the Misc I/O #2 pin will be a logic high
(5V).
STEPPER MOTOR CONTROL SETTINGS 2
5A
m (Line Skipping)
Part of the “n out of m” function, consisting of
registers 0B (bits 4-7) 44, 45 (bit 5), and 5A.
m mmmmmmm
n lines (register 44) saved in SRAM for every m lines
scanned. m = 1 to 255.
If m = 0 then function is bypassed
Address
Function
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Value



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