CHAPTER 7 8-BIT TIMERS 50, 60, AND 61
User’s Manual U15331EJ4V1UD
137
Figure 7-13. Timing of Interval Timer Operation with 8-Bit Resolution (When CRnm Is Set to FFH)
Count clock
CRnm
TCEnm
INTTMnm
TOnm
FFH
TMnm
FFH
00H
01H
00H
01H
00H
FFH
00H
01H
FFH
FFH
00H
Clear
Clear
Clear
Count start
Remark
nm = 50, 60, 61
Figure 7-14. Timing of Interval Timer Operation with 8-Bit Resolution
(When CRnm Changes from N to M (N
<
M))
Count clock
CRnm
TCEnm
INTTMnm
TOnm
TMnm
N
00H
00H
N
00H
01H
00H
01H
M
N
M
N
M
Clear
Clear
Clear
Count start
Interrupt acknowledgement
Interrupt acknowledgement
CRnm overwritten
Remark
00H
≤
N
<
M
≤
FFH
nm = 50, 60, 61