Datasheet

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