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Step
Operation
Main Bat-
ON, 3
t e r y a t
SLEEP
B a c k u p
1 : Turn the power off.
2 : Supply the voltage to
battery
backup battery termi-
nals as figure right.
3 : Remove main batter-
ies.
4 : Measure the current.
Vs = 3.0 ± 0.05 V
Display (Wiring)
** Power Control **
1
40MHz
2
standby
3
sleep
Sleep mode
Backup battery terminal
Is
-
A
V
A-10/A-11
+
Vs
(No display)
— 49 —
Note
Current consumption at
SLEEP.
Measure the current.
Ib = 67 mA or under.
Connect the items as fig-
ure.
Current consumption of
backup battery.
Measure the current.
Is = 150 µA or under.
(2M byte)
Is = 250 µA or under.
(4M byte)
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