Rainbow Electronics DS2422 - Manual (Page 32)

DS2422
32 of 48
Figure 12-5. Memory/Control Function Flow Chart
N
CCH
Start Mission
[w/PW]
Master TX
64-Bits [Password]
Master
TX Reset?
DS2422 Initiates
Mission Start Delay
Process
N
Y
Mission in
Progress?
DS2422 sets
MIP = 1
MEMCLR = 0
Password
Accepted?
MEMCLR
= 1?
N
Y
N
Y
N
Y
N
Y
Master TX
FFh dummy byte
33H
Stop Mission
[w/PW]
Master TX
64-Bits [Password]
N
Y
Mission in
Progress?
DS2422 sets
MIP = 0
WFTA = 0
Password
Accepted?
Master
TX Reset?
N
Y
N
Y
N
Y
Master TX
FFh dummy byte
DS2422 Waits for 1 Minute
Mission Start
Delay Process
DS2422 Sets WFTA=1
Start Delay
Counter = 0?
Y
DS2422 decrements
Start Delay Counter
DS2422 copies RTC
Data to Mission Time
Stamp Register
DS2422 Starts Logging
Taking First Sample
End Of Process
DS2422 sets WFTA=0
N
Y
Temp.
Alarm?
DS2422 Performs 8-bit
Temp. Conversion
N
MIP = 0?
Y
DS2422 Waits One
Sample Period
SUTA = 1?
Y
N
DS2422 Waits One
Sample Period
To Figure 12
4 th Part
From Figure 12
4 th Part