Figure 12.10 Example Of 0 Output/1 Output Operation; Figure 12.11 Example Of Toggle Output Operation - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer
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Section 12 16-Bit Timer Pulse Unit (TPU)
2. Examples of waveform output operation
Figure 12.10 shows an example of 0 output/1 output. In this example TCNT has been
designated as a free-running counter, and settings have been made so that 1 is output by
compare match A, and 0 is output by compare match B. When the set level and the pin level
coincide, the pin level does not change.
TCNT value
H'FFFF
TGRA
TGRB
H'0000
TIOCA
TIOCB

Figure 12.10 Example of 0 Output/1 Output Operation

Figure 12.11 shows an example of toggle output.
In this example TCNT has been designated as a periodic counter (with counter clearing
performed by compare match B), and settings have been made so that output is toggled by both
compare match A and compare match B.
TCNT value
H'FFFF
TGRB
TGRA
H'0000
TIOCB
TIOCA
Rev. 3.00 Jul. 14, 2005 Page 338 of 986
REJ09B0098-0300
Counter cleared by TGRB compare match

Figure 12.11 Example of Toggle Output Operation

No change
No change
No change
1 output
0 output
No change
Toggle output
Toggle output
Time
Time

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