LPC MicrocontrollersのトピックLPC1518 XTALIN specification https://community.nxp.com/t5/LPC-Microcontrollers/LPC1518-XTALIN-specification/m-p/746744#M30110 <HTML><HEAD></HEAD><BODY><P>At external clock for the oscillator slave mode, its data sheet was written the specification as below.</P><P>But it doesn't define the base or threshold voltage of its specification.</P><P>I think that the base voltage is center of min/max voltage and their thresholds are +/-140mV from center because it needs swing voltage min 280mV.</P><P>Could you tell me which voltage is the base/threshold?</P><P></P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/41039i3DBD0E1EB2B89F1D/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></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/41083i4297881BB4C8EAF5/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>Best regards,</P><P>M.Kiniwa</P></BODY></HTML> Wed, 29 Nov 2017 00:58:11 GMT masahirokiniwa 2017-11-29T00:58:11Z LPC1518 XTALIN specification https://community.nxp.com/t5/LPC-Microcontrollers/LPC1518-XTALIN-specification/m-p/746744#M30110 <HTML><HEAD></HEAD><BODY><P>At external clock for the oscillator slave mode, its data sheet was written the specification as below.</P><P>But it doesn't define the base or threshold voltage of its specification.</P><P>I think that the base voltage is center of min/max voltage and their thresholds are +/-140mV from center because it needs swing voltage min 280mV.</P><P>Could you tell me which voltage is the base/threshold?</P><P></P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/41039i3DBD0E1EB2B89F1D/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /></span></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/41083i4297881BB4C8EAF5/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P></P><P>Best regards,</P><P>M.Kiniwa</P></BODY></HTML> Wed, 29 Nov 2017 00:58:11 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1518-XTALIN-specification/m-p/746744#M30110 masahirokiniwa 2017-11-29T00:58:11Z