r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 831
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r4f2456
Manufacturer Part Number
r4f2456
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2456.pdf
(1376 pages)
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13.5.2
The CMFA and CMFB flags in TCSR are set to 1 by a compare match signal generated when the
TCOR and TCNT values match. The compare match signal is generated at the last state in which
the match is true, just before the timer counter is updated. Therefore, when TCOR and TCNT
match, the compare match signal is not generated until the next incrementation clock input. Figure
13.6 shows this timing.
13.5.3
When compare match A or B occurs, the timer output changes as specified by bits OS3 to OS0 in
TCSR. Figure 13.7 shows the timing when the output is set to toggle at compare match A.
φ
Compare match A
signal
Timer output pin
φ
TCNT
TCOR
Compare match
signal
CMF
Timing of CMFA and CMFB Setting when Compare-Match Occurs
Timing of Timer Output when Compare-Match Occurs
Figure 13.7 Timing of Timer Output
Figure 13.6 Timing of CMF Setting
N
N
Rev. 1.00 Sep. 19, 2008 Page 801 of 1342
Section 13 8-Bit Timers (TMR)
N + 1
REJ09B0467-0100
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