DS1921G Maxim, DS1921G Datasheet - Page 24

• Manufacturer Part Number: DS1921G
• Description: The DS1921G Thermochron® iButton® is a rugged, self-sufficient system that measures temperature and records the result in a protected memory section
• Manufacturer: Maxim

Thermochron iButton
Figure 10c. Memory/Control Function Flowchart
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______________________________________________________________________________________
FROM FIGURE 10b
TO FIGURE 10b
N
Y
DS1921G STARTS TEMPERATURE
CONVERSION PROCESS
TEMPERATURE?
DS1921G SETS
44h CONVERT
MISSION IN
PROGRESS?
EMCLR = 0
Tx RESET?
MASTER
Y
N
Y
N
DS1921G COPIES RESULT TO
TEMPERATURE CONVERSION
CONVERSION PROCESS
DS1921G PERFORMS A
END OF PROCESS
ADDRESS 0211h
TEMPERATURE
DS1921G SETS
DS1921G SETS
TCB = 0
TCB = 1
N
Tx RESET?
MASTER
Y