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CHAPTER 7 8-BIT TIMERS A0, B0
User’s Manual U15798EJ2V0UD
Figure 7-11. Timing of Interval Timer Operation with 8-Bit Resolution
(When CRn0 Changes from N to M (N < M))
Count clock
CRn0
TCEn0
INTTMn0
TOn0
TMn0
N
00H
00H
N
00H
01H
00H
01H
M
N
M
N
M
Clear
Clear
Clear
Count start
Interrupt acknowledgement
Interrupt acknowledgement
CRn0 overwritten
Remarks 1.
n = A, B
2.
00H
≤
N < M
≤
FFH
Figure 7-12. Timing of Interval Timer Operation with 8-Bit Resolution
(When CRn0 Changes from N to M (N > M))
Count clock
CRn0
TCEn0
INTTMn0
TOn0
TMn0
00H
00H
00H
N
−
1
N
M
N
M
N
M
00H
FFH
M
H
Clear
Clear
Clear
TMn0 overflows
because M < N
CRn0 overwritten
Remarks 1.
n = A, B
2.
00H
≤
M < N
≤
FFH
Содержание mPD780344 Series
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