µPD16814

8

NOTES ON PWM DRIVING CONTROL

Keep in mind the following points when executing PWM.

on whether the Forward or Reverse mode is used, care must be exercised when PWM driving is controlled at

a duty factor other than 50%.

Example 1 PWM driving in Forward mode

FB FB FB FB FB F

Correct

FB FB FB FB FB F

Incorrect

Example 2 PWM driving in Reverse mode

RB RB RB RB RB R

Correct

RB RB RB RB RB R

Incorrect

Remark

This is because noise may be output due to the configuration of the internal circuit.