Fujitsu MB90460 Series Hardware Manual page 353

CHAPTER 14 MULTI-FUNCTIONAL TIMER
Figure 14.6-14 Sample Output Waveform when Compare Register 0 and 1 are used in a Pair when the
Initial Output Value is "0" (Free-run Timer in Up-down Count Mode)
Counter value
FFFF
H
BFFF
H
7FFF
H
3FFF
H
0000
H
Reset
Compare register 0
value
Compare register 1
value
RT0
RT1
Compare 0
interrupt
Compare 1
interrupt
●
Output level when compare buffer is disabled
Figure 14.6-15 Sample Output Waveform when Compare Buffer is disabled
Counter value
FFFF
BFFF
7FFF
3FFF
0000
Reset
Compare buffer
register 0 value
Compare
register 0 value
RT0
Interrupt
334
(Free-run Timer in Up-count Mode)
H
H
H
H
H
Timer starts
Compare clear match
BFFF
BFFF
BFFF
H
7FFF
H
Compare clear match
3FFF
H
H
3FFF
H
H
Time
associated with compare 0
associated with compare 0 &1
Time
BFFF
H
BFFF
H