topic Re: LPC55S69 : Sensitivity of GPIO pins in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Sensitivity-of-GPIO-pins/m-p/1018132#M39827 <HTML><HEAD></HEAD><BODY><P>Hello Eugene,</P><P>In the datasheet the pin characteristics are described.</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/95401i508AC4C6F5720152/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>The high level input voltage is&nbsp;the voltage level necessary to send to the device for it to read a logic high. The low level input voltage is the voltage level necessary to send to the device for it to read a logic low. Wake up pins can be configured as rising or falling edge.&nbsp;</P><P>Best Regards,</P><P>Sabina</P></BODY></HTML> Tue, 12 Nov 2019 04:12:19 GMT Sabina_Bruce 2019-11-12T04:12:19Z LPC55S69 : Sensitivity of GPIO pins https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Sensitivity-of-GPIO-pins/m-p/1018131#M39826 <HTML><HEAD></HEAD><BODY><P>Hello !</P><P></P><P>We have plan to use GPIO pins as part of GINT0/1 group for wakeup MCU from Power-Down mode.</P><P></P><P>But it is not so clear from DS what kind of sensivity those pins have ?</P><P></P><P>What kind of minimal edge can be detected, is any debounce or glitch filters there and etc.</P><P></P><P>Do you have extra info about it ?</P><P></P><P>Regards,</P><P>Eugene</P></BODY></HTML> Thu, 07 Nov 2019 08:04:56 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Sensitivity-of-GPIO-pins/m-p/1018131#M39826 EugeneHiihtaja 2019-11-07T08:04:56Z Re: LPC55S69 : Sensitivity of GPIO pins https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Sensitivity-of-GPIO-pins/m-p/1018132#M39827 <HTML><HEAD></HEAD><BODY><P>Hello Eugene,</P><P>In the datasheet the pin characteristics are described.</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/95401i508AC4C6F5720152/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>The high level input voltage is&nbsp;the voltage level necessary to send to the device for it to read a logic high. The low level input voltage is the voltage level necessary to send to the device for it to read a logic low. Wake up pins can be configured as rising or falling edge.&nbsp;</P><P>Best Regards,</P><P>Sabina</P></BODY></HTML> Tue, 12 Nov 2019 04:12:19 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-Sensitivity-of-GPIO-pins/m-p/1018132#M39827 Sabina_Bruce 2019-11-12T04:12:19Z