topic Re: GPIO: Problem leak current while default power up in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487120#M77979 <HTML><HEAD></HEAD><BODY><P>Hi Mathias</P><P></P><P>current through 1K should be limited to 1-2mA</P><P></P><P>Best regards</P><P>igor</P></BODY></HTML> Fri, 05 Feb 2016 10:51:12 GMT igorpadykov 2016-02-05T10:51:12Z GPIO: Problem leak current while default power up https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487117#M77976 <HTML><HEAD></HEAD><BODY><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_0.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/57971iF6AAC639268BA439/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_0.png" alt="pastedImage_0.png" /></span></P><P></P><P>Have the i.MX6 only internal 100k pull-up or additional a diode ?</P><P></P><P>Is it the only way to solve the problem, by use a lot of Level-Shifter or Switch with trie-status ?</P></BODY></HTML> Thu, 04 Feb 2016 11:53:30 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487117#M77976 neusch 2016-02-04T11:53:30Z Re: GPIO: Problem leak current while default power up https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487118#M77977 <HTML><HEAD></HEAD><BODY><P>Hi Mathias</P><P></P><P>i.MX6 has esd protection diodes on pads.</P><P></P><P>&gt;Is it the only way to solve the problem, by use a lot of Level-Shifter or Switch with trie-status ?</P><P></P><P>also one can try to set external MCU outputs as logic "0".</P><P></P><P>Best regards</P><P>igor</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 05 Feb 2016 01:33:59 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487118#M77977 igorpadykov 2016-02-05T01:33:59Z Re: GPIO: Problem leak current while default power up https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487119#M77978 <HTML><HEAD></HEAD><BODY><P>Hi Igor,</P><P></P><P>that is correct. But i can't ensure this while power up.</P><P></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/59694i0BE5DE5AD13775D9/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>Can you say something to this?</P></BODY></HTML> Fri, 05 Feb 2016 08:56:46 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487119#M77978 neusch 2016-02-05T08:56:46Z Re: GPIO: Problem leak current while default power up https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487120#M77979 <HTML><HEAD></HEAD><BODY><P>Hi Mathias</P><P></P><P>current through 1K should be limited to 1-2mA</P><P></P><P>Best regards</P><P>igor</P></BODY></HTML> Fri, 05 Feb 2016 10:51:12 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-Problem-leak-current-while-default-power-up/m-p/487120#M77979 igorpadykov 2016-02-05T10:51:12Z