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Symbol
7
TCL3
TCL37 TCL36 TCL35 TCL34 TCL33 TCL32 TCL31 TCL30
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Note
Can be set only when the main system clock oscillate at 4.19 MHz or less.
Caution
If TCL3 is to be rewritten in data other than identical data, the timer operation must be stopped first.
Remarks 1. f
X
2. Values in parentheses apply to operation with f
272
CHAPTER 15 SERIAL INTERFACE CHANNEL 0 ( µ PD78014 Subseries)
Figure 15-4. Timer Clock Select Register 3 Format
6
5
4
3
: Main system clock oscillation frequency
2
1
0
Address
FF43H
TCL33 TCL32 TCL31 TCL30
0
0
1
1
1
1
1
1
Other than above
TCL37 TCL36 TCL35 TCL34
0
0
1
1
1
1
1
1
Other than above
= 10.0 MHz.
X
When Reset
R/W
88H
R/W
Serial Interface Channel 0
Serial Clock Selection
1
1
0
f
/2
2 Note
X
3
1
1
1
f
/2
(1.25 MHz)
X
0
0
0
f
/2
4
(625 kHz)
X
5
0
0
1
f
/2
(313 kHz)
X
6
0
1
0
f
/2
(156 kHz)
X
0
1
1
f
/2
7
(78.1 kHz)
X
8
1
0
0
f
/2
(39.1 kHz)
X
9
1
0
1
f
/2
(19.5 kHz)
X
Setting prohibited
Serial Interface Channel 1
Serial Clock Selection
2 Note
1
1
0
f
/2
X
3
1
1
1
f
/2
(1.25 MHz)
X
0
0
0
f
/2
4
(625 kHz)
X
5
0
0
1
f
/2
(313 kHz)
X
0
1
0
f
/2
6
(156 kHz)
X
0
1
1
f
/2
7
(78.1 kHz)
X
8
1
0
0
f
/2
(39.1 kHz)
X
1
0
1
f
/2
9
(19.5 kHz)
X
Setting prohibited
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