參數(shù)資料
型號(hào): DS1921
英文描述: High-Resolution Thermochron iButton
中文描述: 高分辨率Thermochron iButton的
文件頁(yè)數(shù): 21/44頁(yè)
文件大小: 271K
代理商: DS1921
DS1921H/Z
21 of 44
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
Part
To Figure 10
3
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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