NEC mPD780344 Series User Manual page 197

CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50, 51
Figure 8-7. Interval Timer Operation Timings (3/3)
Count clock
TM5n N 00H
CR5n
TCE5n H
INTTM5n
TO5n
Count clock
TM5n N – 1
CR5n
TCE5n H
INTTM5n
TO5n
Remark n = 0, 1
(d) Operated by CR5n transition (M < N)
M N
N
CR5n transition
(e) Operated by CR5n transition (M > N)
N 00H 01H N
N
CR5n transition
User's Manual U15798EJ2V0UD
FFH 00H M 00H
M
TM5n overflows since M < N
M – 1 M 00H 01H
M
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