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M30245 Group
Canceling protect
b7
Switching system clock
b7
1
Stopping main clock
b7
Interrupt enable flag (I flag)
Starting main clock oscillator
b7
Switching system clock
b7
0
Figure 3.9.3. Set-up procedure of controlling power using wait mode (2)
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Continued from the previous page
b0
Protect register [Address 000A
1
PRCR
Enables writing to system clock control registers 0 and 1 (address 0006
1 : write-enabled
b0
System clock control register 0 [Address 0006
0
0
CM0
Reserved bit
Must always be set to "0"
System clock select bit
1 : X
-X
CIN
COUT
b0
System clock control register 0 [Address 0006
1
0
0
CM0
Reserved bit
Must always be set to "0"
Main clock (X
IN
1 : Off
NOP instruction X 4
=
b0
System clock control register 0 [Address 0006
0
0
0
CM0
Reserved bit
Must always be set to "0"
Main clock (X
IN
0 : On
Wait until the main clock has stabilized
b0
System clock control register 0 [Address 0006
0
0
CM0
Reserved bit
Must always be set to "0"
System clock select bit
0 : X
-X
IN
OUT
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]
16
]
16
]
16
-X
) stop bit
OUT
[F_WIT] = 1
"1"
JMP.B instruction
WAIT instruction
[F_WIT] : 1
≠
]
16
-X
) stop bit
OUT
]
16
3. Controlling Power Applications
and 0007
)
16
16
INT0 interrupt request generated
TA2 interrupt request generated
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