参数资料
型号: DS1921Z-F5#
厂商: Maxim Integrated
文件页数: 21/45页
文件大小: 0K
描述: IBUTTON THERMOCHRON F5
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
RoHS指令信息: IButton RoHS Compliance Plan
标准包装: 8
系列: iButton®
存储容量: 512B
存储器类型: NVSRAM(非易失 SRAM)
产品目录页面: 1431 (CN2011-ZH PDF)
MEMORY/CONTROL FUNCTION FLOW CHART Figure 10-4
DS1921H/Z
From Figure 10
3 Part
rd
3CH
Clear
Memory
N
44H
Convert
Temp.
N
Y
Y
EMCLR = 1?
Y
N
DS1921 sets
EMCLR = 0
DS1921 clears Mission
Time Stamp, Mission
Samples Counter,
Mission Start Delay,
Sample Rate Register
DS1921 clears Alarm Time
Stamps and Durations
DS1921 clears
Histogram Memory
DS1921 sets
MEMCLR = 1
DS1921 sets
EMCLR = 0
Y
Mission in
Progress?
N
DS1921 Starts
Temperature
Conversion Process
Temperature Con-
version Process
DS1921 sets
TCB = 0
DS1921 Performs a
Temp. Conversion
DS1921 copies Result
to Address 0211h
DS1921 sets
TCB = 1
N
Master
TX Reset?
N
Master
TX Reset?
End of Process
Y
Y
N
Master
TX Reset?
To Figure 10
3 Part
Y
rd
21 of 45
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