Hi Jim, Not really enough information, since you don't mention which PWM mode for this channel. On Timer RD whenever you need 0% or 100%, there may be some "code" involved rather than just duty cycle values. From HW manual: Figure 8-55 shows 0 and 100% in PWM mode, Section8.5.5 describes how to get 0 and 100% in complementary mode.
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