
DS1678 Real-Time Event Recorder
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Figure 3. Start Mission Flow Chart
yes
Start via
Computer
Start via
External Event
Mem Clr =1
no
Clear
Memory
Write a 1 to
the MIP bit
The ME bit is
Automatically
Written to a 1
Time/Date Stamp
is Written
ETC Starts
Incrementing
EC is
Incremented
yes
INT Input
Activated
no
Continue to
Monitor Input
Record Event in
Event Memory
yes
Mem Clr =1
no
Clear
Memory
Write a 1 to
the ME bit.
MIP = 0
yes
INT Input
Activated
no
Continue to
Monitor Input
MIP Automatically
Written to a 1
Time/Date Stamp is
Written
ETC Starts
Incrementing.
EC is
Incremented
yes
INT Input
Activated
no
Continue to
Monitor Input
Record Event in
Event Memory
ETC is
Cleared
ETC is
Cleared