https://community.nxp.com/t5/S32K/PWM-generation-issue/m-p/1507234#M17144 <P>MCU: FS32K144UAT0VLLT<BR />100LQFP</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Bhuvana_0-1660717462013.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/190450i75EB2FCF68E98C19/image-size/medium?v=v2&amp;px=400" role="button" title="Bhuvana_0-1660717462013.png" alt="Bhuvana_0-1660717462013.png" /></span></P><P>after this line PWM output is high 3.3v. how to make it low</P><P>so now I have changed duty cycle to zero&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Bhuvana_0-1660721296001.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/190471i5835111214E92958/image-size/medium?v=v2&amp;px=400" role="button" title="Bhuvana_0-1660721296001.png" alt="Bhuvana_0-1660721296001.png" /></span></P><P>any other way can we make it low during that time?</P> Wed, 17 Aug 2022 07:28:47 GMT Bhuvana 2022-08-17T07:28:47Z https://community.nxp.com/t5/S32K/PWM-generation-issue/m-p/1507234#M17144 <P>MCU: FS32K144UAT0VLLT<BR />100LQFP</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Bhuvana_0-1660717462013.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/190450i75EB2FCF68E98C19/image-size/medium?v=v2&amp;px=400" role="button" title="Bhuvana_0-1660717462013.png" alt="Bhuvana_0-1660717462013.png" /></span></P><P>after this line PWM output is high 3.3v. how to make it low</P><P>so now I have changed duty cycle to zero&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Bhuvana_0-1660721296001.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/190471i5835111214E92958/image-size/medium?v=v2&amp;px=400" role="button" title="Bhuvana_0-1660721296001.png" alt="Bhuvana_0-1660721296001.png" /></span></P><P>any other way can we make it low during that time?</P> Wed, 17 Aug 2022 07:28:47 GMT https://community.nxp.com/t5/S32K/PWM-generation-issue/m-p/1507234#M17144 Bhuvana 2022-08-17T07:28:47Z https://community.nxp.com/t5/S32K/PWM-generation-issue/m-p/1508241#M17183 <P>Hi <a href="https://community.nxp.com/t5/user/viewprofilepage/user-id/200923">@Bhuvana</a>,</P> <P>The<EM> FTM_DRV_UpdatePwmChannel()</EM> function can be called in the runtime to change the duty cycle.</P> <P>Refer to ftm_pwm_s32k144 SDK example for more information.</P> <P>Also, the FTM module allows masking the PWM output (RM rev.14, Section 47.5.17) or control the output by SW (Section 47.5.15 Software Output Control Mode).</P> <P>There are these SDK API: <EM>FTM_DRV_ControlChannelOutput()</EM>, <EM>FTM_DRV_MaskOutputChannels()</EM>.</P> <P>&nbsp;</P> <P>Regards,</P> <P>Daniel</P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> Thu, 18 Aug 2022 12:11:54 GMT https://community.nxp.com/t5/S32K/PWM-generation-issue/m-p/1508241#M17183 danielmartynek 2022-08-18T12:11:54Z