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CHAPTER 7 CLOCK MODULATOR
7.2.1
Clock Modulator Control Register (CMCR)
The Control Register (CMCR) has the following functions:
• Set the modulator to power down mode
• Modulator enable/disable
• Indicates the status of the modulator
■ Clock modulator control register (CMCR)
Figure 7.2-2 Configuration of the clock modulator control register (CMCR)
7
Address:
000418
Res.
H
-
X
: Undefined value
R/W
: Readable and writable
R
: Read only (writing is ignored)
: Initial value
182
6
5
4
3
2
1
MOD- MODEN PDX
Res.
Res.
Res.
Res.
RUN
R/W R/W R/W
-
R
R/W R/W
MB96300 Super Series Hardware Manual
Initial value
0
X 0 0 1 X 0 0 0
B
bit0
PDX
Power down bit
0
Power down mode
1
Power up
bit1
MODEN
Modulation enable bit
0
Modulation mode disabled
1
Modulation mode enabled
bit2
Modulator status
MODRUN
0
Clock frequency unmodulated
1
Clock frequency modulated
bit3
-
0
Always write "0" to this bit
bit4
-
1
Always write "1" to this bit
bit5 - bit7
-
0
Always write "0" to these bits
Reserved
Reserved
Reserved
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