Kinetis Microcontrollersのトピックclock amplitude inquiry on 32kHz crystal https://community.nxp.com/t5/Kinetis-Microcontrollers/clock-amplitude-inquiry-on-32kHz-crystal/m-p/787837#M47952 <HTML><HEAD></HEAD><BODY><P>I'm using Kinetis K81 family mcu.</P><P>In the specification for the 32kHz clock for EXTAL32 , it was specified that the typical peak-to-peak amplitude of oscillation is 0.6V and no tolerance was given.</P><P>My actual measurement on the amplitude is 0.55V.&nbsp; &nbsp;I would like to ask if this will normally work or what voltage range should be I'm looking at.</P></BODY></HTML> Thu, 16 Aug 2018 01:50:26 GMT darwin_deramos 2018-08-16T01:50:26Z clock amplitude inquiry on 32kHz crystal https://community.nxp.com/t5/Kinetis-Microcontrollers/clock-amplitude-inquiry-on-32kHz-crystal/m-p/787837#M47952 <HTML><HEAD></HEAD><BODY><P>I'm using Kinetis K81 family mcu.</P><P>In the specification for the 32kHz clock for EXTAL32 , it was specified that the typical peak-to-peak amplitude of oscillation is 0.6V and no tolerance was given.</P><P>My actual measurement on the amplitude is 0.55V.&nbsp; &nbsp;I would like to ask if this will normally work or what voltage range should be I'm looking at.</P></BODY></HTML> Thu, 16 Aug 2018 01:50:26 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/clock-amplitude-inquiry-on-32kHz-crystal/m-p/787837#M47952 darwin_deramos 2018-08-16T01:50:26Z Re: clock amplitude inquiry on 32kHz crystal https://community.nxp.com/t5/Kinetis-Microcontrollers/clock-amplitude-inquiry-on-32kHz-crystal/m-p/787838#M47953 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>From the data sheet, there has a specification on the 32kHz 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/67144i90A2B47C991B5C81/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P></BODY></HTML> Tue, 21 Aug 2018 08:33:05 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/clock-amplitude-inquiry-on-32kHz-crystal/m-p/787838#M47953 miduo 2018-08-21T08:33:05Z