HD6413002 Datasheet, PDF (346/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

Examples of PWM Mode: Figure 10-29 shows examples of operation in PWM mode. In PWM
mode TIOCA becomes an output pin. The output goes to 1 at compare match with GRA, and to 0
at compare match with GRB.
In the examples shown, TCNT is cleared by compare match with GRA or GRB. Synchronized
operation and free-running counting are also possible.
TCNT value
GRA
GRB
H'0000
Counter cleared by compare match with GRA
Time
TIOCA
TCNT value
GRB
GRA
H'0000
a. Counter cleared by GRA
Counter cleared by compare match with GRB
Time
TIOCA
b. Counter cleared by GRB
Figure 10-29 PWM Mode (Example 1)
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