Renesas M16C Series User Manual page 45

16-bit single-chip microcomputer
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(5) In the case of using as "Free-Run type", the timer register contents may be unknown when counting
begins. If the timer register is set before counting has started, then the starting value will be unknown.
• In the case where the up/down count will not be changed.
• In the case where the up/down count has changed.
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Enable the "Reload" function and write to the timer register before counting begins. Rewrite
the value to the timer register immediately after counting has started. If counting up, rewrite
"0000
" to the timer register. If counting down, rewrite "FFFF
16
will cause the same operation as "Free-Run type" mode.
First set to "Reload type" operation. Once the first counting pulse has occurred, the timer
may be changed to "Free-Run type".
page 36 of 354
2. Timer A
" to the timer register. This
16

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