https://community.nxp.com/t5/Power-Management/the-fs1b-pin-of-FS6500/m-p/1869358#M3510 <P>做到哪一步了？RSTB release了？然后就是写一次WD 退出INIT阶段在256ms以内如果写错了或者超过了256ms才去写RSTB也会reset一下再次给机会去写WD进入下一个阶段，然后再继续feed WD 去减少FAULT ERROR COUNTER 值，如果期间的每一次feed WD错误都会导致fault errorcounter的增加这样就不会release FS1B/FS0B</P> Tue, 21 May 2024 05:14:08 GMT guoweisun 2024-05-21T05:14:08Z https://community.nxp.com/t5/Power-Management/the-fs1b-pin-of-FS6500/m-p/1869356#M3509 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="JhonYF_0-1716267644729.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/279760i3B37584EF7D97BB8/image-size/medium?v=v2&amp;px=400" role="button" title="JhonYF_0-1716267644729.png" alt="JhonYF_0-1716267644729.png" /></span></P><P>After reset, the driver program will attempt to clear error counts and release the FS1B pin, so the situation depicted in the diagram will not occur.<SPAN>What was the problem?</SPAN></P><P>&nbsp;</P> Tue, 21 May 2024 05:05:21 GMT https://community.nxp.com/t5/Power-Management/the-fs1b-pin-of-FS6500/m-p/1869356#M3509 JhonYF 2024-05-21T05:05:21Z https://community.nxp.com/t5/Power-Management/the-fs1b-pin-of-FS6500/m-p/1869358#M3510 <P>做到哪一步了？RSTB release了？然后就是写一次WD 退出INIT阶段在256ms以内如果写错了或者超过了256ms才去写RSTB也会reset一下再次给机会去写WD进入下一个阶段，然后再继续feed WD 去减少FAULT ERROR COUNTER 值，如果期间的每一次feed WD错误都会导致fault errorcounter的增加这样就不会release FS1B/FS0B</P> Tue, 21 May 2024 05:14:08 GMT https://community.nxp.com/t5/Power-Management/the-fs1b-pin-of-FS6500/m-p/1869358#M3510 guoweisun 2024-05-21T05:14:08Z