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Page 24
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(a) STOP Mode Start (Example : Start with SET (SYSCR1). 7 instruction located at address a)
H
o
(/)
Turn off
Oscillator
circuit
Main
system
clock
Program
counter
Turn on
TjnjnjnjnjnjijnjijxnjijnjTJTjnjnjnjnjnjiJij^^
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Instruction
execution
Port output
Divider
X
a +2
X
a + 3
SET (SYSCR1). 7
X
n + 1
X
n + 2
X
n + 3
X
n + 4
Halt
^ Hi gh-Z(whenOUTEN = 0)
X
DD
>
N>
N>
O
O
N>
O
W
STOP pin
input
Oscillator -------
t t
I
f
circuit Turn off __________Turn on
_r
Main
system
clock
Program
counter
Instruction
execution
.Hiqh-Z
Port output-
i*“
I
Divider
Warming up
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a + 3
X
a + 4
X
a + 5
a + 6
X
Instruction at addressa+ 2
X
Instruction at address a+ 3 Xlrstruction at address a+ 4
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.. Count up
X
X
X
X
(b)
STOP Mode Release
Figure 1-18. STOP Mode Start/Release
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00
vl
n
>
N>
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