Kinetis MicrocontrollersのトピックRe: The MKW40Z reset waveform is strange. https://community.nxp.com/t5/Kinetis-Microcontrollers/The-MKW40Z-reset-waveform-is-strange/m-p/752932#M45869 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #51626f; background-color: #ffffff;">Hello&nbsp;Minjae,</SPAN></P><P></P><P><SPAN style="color: #51626f; background-color: #ffffff;">On blank chips, this is the expected behavior&nbsp; because the MCU keeps resetting as it is loading an invalid address to the stack pointer and program counter. Once flashed, the reset should stop oscillating.&nbsp;</SPAN></P><P></P><P><SPAN style="color: #51626f; background-color: #ffffff;">Regards,</SPAN></P></BODY></HTML> Tue, 14 Nov 2017 17:28:59 GMT gerardo_rodriguez 2017-11-14T17:28:59Z The MKW40Z reset waveform is strange. https://community.nxp.com/t5/Kinetis-Microcontrollers/The-MKW40Z-reset-waveform-is-strange/m-p/752931#M45868 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>I maked the board with MKW40Z</P><P>but, reset signal is strange</P><P>do you know what's matter?&nbsp;</P></BODY></HTML> Tue, 07 Nov 2017 03:47:34 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/The-MKW40Z-reset-waveform-is-strange/m-p/752931#M45868 minjaekim 2017-11-07T03:47:34Z Re: The MKW40Z reset waveform is strange. https://community.nxp.com/t5/Kinetis-Microcontrollers/The-MKW40Z-reset-waveform-is-strange/m-p/752932#M45869 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #51626f; background-color: #ffffff;">Hello&nbsp;Minjae,</SPAN></P><P></P><P><SPAN style="color: #51626f; background-color: #ffffff;">On blank chips, this is the expected behavior&nbsp; because the MCU keeps resetting as it is loading an invalid address to the stack pointer and program counter. Once flashed, the reset should stop oscillating.&nbsp;</SPAN></P><P></P><P><SPAN style="color: #51626f; background-color: #ffffff;">Regards,</SPAN></P></BODY></HTML> Tue, 14 Nov 2017 17:28:59 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/The-MKW40Z-reset-waveform-is-strange/m-p/752932#M45869 gerardo_rodriguez 2017-11-14T17:28:59Z