SH7020 Datasheet, PDF (266/509 Pages) Renesas Technology Corp – SuperH™ RISC engine

• Waveform output operation
Figure 10.20 illustrates 0 output/1 output. In the example, TCNT is a free-running counter, 0 is
output upon compare match A and 1 is output upon compare match B. When the pin level
matches the set level, the pin level does not change.
Figure 10.21 shows an example of toggle output. In the figure, the TCNT operates as a
periodic counter cleared by GRB compare match with toggle output at both compare match A
and compare match B.
TCNT value
H'FFFF
GRB
GRA
TIOCB
TIOCA
Time
Does not change Does not change 1 output
Does not change Does not change
Figure 10.20 Example of 0 Output/1 Output
0 output
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