In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote:

Peter (pjv),

The accumulator approach doesn't solve the problem Bean was trying to solve.  He wants to reduce the oversampling needed to have create 8 bit resolution output.  With normal PWM or the accumulator approach, if you want 256 levels of output, you need to run at 256 times your desired maximum output clock.  His approach is to increase the number of pins while decreasing the oversample rate.  

Thanks,
PeterM

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