Figure 7-17. Timing of External Event Counter Operation with 16-Bit Resolution
TMI60 pin input
TM60 count value
00H
N
N
7FH 80H
FFH 00H
N
7FH 80H
FFH 00H
00H
7FH 80H
FFH 00H
N
N
00H
Not cleared because TM50 does not match
Cleared because TM50 and TM60 match simultaneously
CR60
N
N
N
N
N
N
N
N
TCE60
Count start
TM50 count pulse
TM50
X
X − 1
00H
X
00H
X
01H
00H
X − 1
X
X
CR50
INTTM60
Interrupt not generated because
TM50 does not match
Interrupt acknowledgement
Interrupt
acknowledgement
Remark X = 00H to FFH, N = 00H to FFH