MPC5xxxのトピックMPC5604B clock problem https://community.nxp.com/t5/MPC5xxx/MPC5604B-clock-problem/m-p/774544#M11207 <HTML><HEAD></HEAD><BODY><P><SPAN>I wrote the code to my board, when the project single-step debug, the board runs normally. However, if running at full speed, the external clock signal will become the waveform shown below。<span class="lia-inline-image-display-wrapper"><img src="https://community.nxp.com/t5/image/serverpage/image-id/4690iFA6371A51B59270F/image-size/large?v=v2&amp;px=999" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></SPAN></P><P><SPAN>I want to know what will causes the clock output to be like this。My clock circuit as shown below</SPAN></P><P><SPAN><span class="lia-inline-image-display-wrapper"><img src="https://community.nxp.com/t5/image/serverpage/image-id/4740iE9CC60231508EFA8/image-size/large?v=v2&amp;px=999" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></SPAN></P></BODY></HTML> Fri, 08 Dec 2017 09:51:09 GMT yankuang1 2017-12-08T09:51:09Z MPC5604B clock problem https://community.nxp.com/t5/MPC5xxx/MPC5604B-clock-problem/m-p/774544#M11207 <HTML><HEAD></HEAD><BODY><P><SPAN>I wrote the code to my board, when the project single-step debug, the board runs normally. However, if running at full speed, the external clock signal will become the waveform shown below。<span class="lia-inline-image-display-wrapper"><img src="https://community.nxp.com/t5/image/serverpage/image-id/4690iFA6371A51B59270F/image-size/large?v=v2&amp;px=999" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></SPAN></P><P><SPAN>I want to know what will causes the clock output to be like this。My clock circuit as shown below</SPAN></P><P><SPAN><span class="lia-inline-image-display-wrapper"><img src="https://community.nxp.com/t5/image/serverpage/image-id/4740iE9CC60231508EFA8/image-size/large?v=v2&amp;px=999" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></SPAN></P></BODY></HTML> Fri, 08 Dec 2017 09:51:09 GMT https://community.nxp.com/t5/MPC5xxx/MPC5604B-clock-problem/m-p/774544#M11207 yankuang1 2017-12-08T09:51:09Z Re: MPC5604B clock problem https://community.nxp.com/t5/MPC5xxx/MPC5604B-clock-problem/m-p/774545#M11208 <HTML><HEAD></HEAD><BODY><P>Hi, what is the frequency of used crystal?</P><P></P><P>Btw: 1MOhm parallel is not supposed to be there.</P></BODY></HTML> Mon, 11 Dec 2017 11:18:21 GMT https://community.nxp.com/t5/MPC5xxx/MPC5604B-clock-problem/m-p/774545#M11208 davidtosenovjan 2017-12-11T11:18:21Z