MPC5xxx中的主题 Re: Watchdog https://community.nxp.com/t5/MPC5xxx/Watchdog/m-p/602072#M4568 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>the source clock is 128kHz osc:</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/18652i722515E69D6F29E7/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span> </P><P>To get 31.25ms:</P><P>31.25ms / (1/128kHz) = 4000</P><P>So, write SWT_TO = 4000;</P><P></P><P>Regards,</P><P>Lukas</P></BODY></HTML> Tue, 28 Mar 2017 13:10:24 GMT lukaszadrapa 2017-03-28T13:10:24Z Watchdog https://community.nxp.com/t5/MPC5xxx/Watchdog/m-p/602071#M4567 <HTML><HEAD></HEAD><BODY><P>Am using MPC5604S controller. I connected an external oscillator of 4MHz. And the system clock i am using is 32 MHz. I want to enable the watchdog for a time period of 31.25ms. Please share a code for the same ASAP.</P></BODY></HTML> Tue, 21 Mar 2017 07:42:54 GMT https://community.nxp.com/t5/MPC5xxx/Watchdog/m-p/602071#M4567 akhilprasad 2017-03-21T07:42:54Z Re: Watchdog https://community.nxp.com/t5/MPC5xxx/Watchdog/m-p/602072#M4568 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>the source clock is 128kHz osc:</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/18652i722515E69D6F29E7/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span> </P><P>To get 31.25ms:</P><P>31.25ms / (1/128kHz) = 4000</P><P>So, write SWT_TO = 4000;</P><P></P><P>Regards,</P><P>Lukas</P></BODY></HTML> Tue, 28 Mar 2017 13:10:24 GMT https://community.nxp.com/t5/MPC5xxx/Watchdog/m-p/602072#M4568 lukaszadrapa 2017-03-28T13:10:24Z