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DS1921 Fiches technique(PDF) 21 Page - Dallas Semiconductor

No de pièce DS1921
Description  High-Resolution Thermochron iButton
PDF  44 Pages
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Fabricant  DALLAS [Dallas Semiconductor]
Site Internet  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1921 Fiches technique(HTML) 21 Page - Dallas Semiconductor

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DS1921H/Z
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MEMORY/CONTROL FUNCTION FLOW CHART Figure 10-4
3CH
Clear
Memory
EMCLR = 1?
DS1921 clears Mission
Time Stamp, Mission
Samples Counter,
Mission Start Delay,
Sample Rate Register
DS1921 sets
EMCLR = 0
44H
Convert
Temp.
Master
TX Reset?
DS1921 Starts
Temperature
Conversion Process
Master
TX Reset?
Mission in
Progress?
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
DS1921 sets
MEMCLR = 1
DS1921 clears
Histogram Memory
DS1921 clears Alarm Time
Stamps and Durations
DS1921 sets
EMCLR = 0
Master
TX Reset?
N
Y
From Figure 10
3
rd Part
To Figure 10
3
rd Part
DS1921 sets
TCB\ = 0
DS1921 Performs a
Temp. Conversion
DS1921 copies Result
to Address 0211h
DS1921 sets
TCB\ = 1
Temperature Con-
version Process
End of Process



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