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CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50, 51
User’s Manual U15798EJ2V0UD
(2) Operated by CR5n transition
Figure 8-11. Timing of Operation by CR5n Transition
(a) CR5n value shifts from N to M before overflow of TM5n
Count clock
TM5n
CR5n
TCE5n
INTTM5n
TO5n
CR5n transition (N
→
M)
N N + 1 N + 2
FFH 00H 01H
M M + 1 M + 2
FFH 00H 01H 02H
M M + 1 M + 2
N
02H
M
H
(b) CR5n value shifts from N to M after overflow of TM5n
(c) CR5n value shifts from N to M between two clocks (00H and 01H) after overflow of TM5n
Remark
n = 0, 1
Count clock
TM5n
CR5n
TCE5n
INTTM5n
TO5n
N
N + 1 N + 2
FFH 00H 01H
N
N + 1 N + 2
FFH 00H 01H 02H
N
02H
N
H
03H
M
M M + 1 M + 2
CR5n transition (N
→
M)
Count clock
TM5n
CR5n
TCE5n
INTTM5n
TO5n
N
N + 1 N + 2
FFH 00H 01H
N
N + 1 N + 2
FFH 00H 01H 02H
N
02H
N
H
M
M M + 1 M + 2
CR5n transition (N
→
M)
Содержание mPD780344 Series
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