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CHAPTER 11 CLOCK OUTPUT CONTROLLER
User’s Manual U15798EJ2V0UD
Figure 11-2. Format of Clock Output Select Register (CKS)
Address: FF40H After reset: 00H R/W
Symbol
7
6
5
4
3
2
1
0
CKS
0
0
0
CLOE
CCS3
CCS2
CCS1
CCS0
CLOE
PCL output enable/disable setting
0
Stop clock division circuit operation. PCL fixed to low level
1
Enable clock division circuit operation. PCL output enabled.
CCS3
CCS2
CCS1
CCS0
PCL output clock selection
0
0
0
0
f
X
(10 MHz)
0
0
0
1
f
X
/2 (5 MHz)
0
0
1
0
f
X
/2
2
(2.5 MHz)
0
0
1
1
f
X
/2
3
(1.25 MHz)
0
1
0
0
f
X
/2
4
(625 kHz)
0
1
0
1
f
X
/2
5
(312.5 kHz)
0
1
1
0
f
X
/2
6
(156.3 kHz)
0
1
1
1
f
X
/2
7
(78.1 kHz)
1
0
0
0
f
XT
(32.768 kHz)
Other than above
Setting prohibited
Remarks 1.
f
X
:
Main system clock oscillation frequency
2.
f
XT
: Subsystem clock oscillation frequency
3.
Figures in parentheses are for operation with f
X
= 10 MHz, f
XT
= 32.768 kHz.
Содержание mPD780344 Series
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