topic Kinetis watchdog in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-watchdog/m-p/604393#M35570 <HTML><HEAD></HEAD><BODY><P>MKL03Z4的Watchdog初始化后：</P><P>SIM_COPC = SIM_COPC_COPCLKSEL(0) | SIM_COPC_COPCLKS(0) | SIM_COPC_COPT(1);</P><P>假如不喂狗，<SPAN>Watchdog不产生复位。</SPAN></P><P><SPAN>请教如何解决这个问题？</SPAN></P></BODY></HTML> Wed, 05 Oct 2016 12:49:34 GMT epldvhdl 2016-10-05T12:49:34Z Kinetis watchdog https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-watchdog/m-p/604393#M35570 <HTML><HEAD></HEAD><BODY><P>MKL03Z4的Watchdog初始化后：</P><P>SIM_COPC = SIM_COPC_COPCLKSEL(0) | SIM_COPC_COPCLKS(0) | SIM_COPC_COPT(1);</P><P>假如不喂狗，<SPAN>Watchdog不产生复位。</SPAN></P><P><SPAN>请教如何解决这个问题？</SPAN></P></BODY></HTML> Wed, 05 Oct 2016 12:49:34 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-watchdog/m-p/604393#M35570 epldvhdl 2016-10-05T12:49:34Z Re: Kinetis watchdog https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-watchdog/m-p/604394#M35571 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>SIM_COPC寄存器位在复位后仅可操作一次，很多例程通常在程序启动时就关闭了看门狗。</P><P><span class="lia-inline-image-display-wrapper" image-alt="SIM_COPC.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/3082i5AC06EAA038C74D7/image-size/large?v=v2&amp;px=999" role="button" title="SIM_COPC.png" alt="SIM_COPC.png" /></span></P><P></P><P>如果你使用的是<A href="http://www.nxp.com/zh-Hans/products/software-and-tools/run-time-software/kinetis-software-and-tools/development-platforms-with-mbed/software-development-kit-for-kinetis-mcus:KINETIS-SDK?code=KINETIS-SDK&amp;nodeId=0152109D3F1E8C1EF7">Kinetis SDK2.0</A>里的<A href="http://cache.nxp.com/files/32bit/software_tools/KINETIS-EXPERT-TOOL.html?fpsp=1&amp;WT_TYPE=Software%20Development%20Kits&amp;WT_VENDOR=FREESCALE&amp;WT_FILE_FORMAT=html&amp;WT_ASSET=Downloads&amp;fileExt=.html">例程</A>，可以参考下图查看是否程序启动时已经关闭了看门狗。</P><P><span class="lia-inline-image-display-wrapper" image-alt="DISABLE_WDOG.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/3114iF2B8C3D67E30E1D7/image-size/large?v=v2&amp;px=999" role="button" title="DISABLE_WDOG.png" alt="DISABLE_WDOG.png" /></span></P><P></P><P>Best Regards,</P><P>Robin</P></BODY></HTML> Sat, 08 Oct 2016 01:55:37 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-watchdog/m-p/604394#M35571 Robin_Shen 2016-10-08T01:55:37Z