i.MX ProcessorsのトピックInternal pull-ups on i.MX6 Solo X processor. https://community.nxp.com/t5/i-MX-Processors/Internal-pull-ups-on-i-MX6-Solo-X-processor/m-p/971118#M144633 <HTML><HEAD></HEAD><BODY><P>We are trying to find out the internal pull-up resistors on the IMX6 processor.</P><P>From the data sheet it is not clear whether there are any pull-ups present inside the processor on SDIO lines(0:6)</P><P>D0-D3 including the CMD and CLOCK lines.</P><P>We are designing a system with a peripheral which is running in high speed SDIO mode connected to imx6 processor which needs to take into account the voltage levels achieved on these lines.</P></BODY></HTML> Thu, 25 Jul 2019 14:22:22 GMT achyut_hegde 2019-07-25T14:22:22Z Internal pull-ups on i.MX6 Solo X processor. https://community.nxp.com/t5/i-MX-Processors/Internal-pull-ups-on-i-MX6-Solo-X-processor/m-p/971118#M144633 <HTML><HEAD></HEAD><BODY><P>We are trying to find out the internal pull-up resistors on the IMX6 processor.</P><P>From the data sheet it is not clear whether there are any pull-ups present inside the processor on SDIO lines(0:6)</P><P>D0-D3 including the CMD and CLOCK lines.</P><P>We are designing a system with a peripheral which is running in high speed SDIO mode connected to imx6 processor which needs to take into account the voltage levels achieved on these lines.</P></BODY></HTML> Thu, 25 Jul 2019 14:22:22 GMT https://community.nxp.com/t5/i-MX-Processors/Internal-pull-ups-on-i-MX6-Solo-X-processor/m-p/971118#M144633 achyut_hegde 2019-07-25T14:22:22Z Re: Internal pull-ups on i.MX6 Solo X processor. https://community.nxp.com/t5/i-MX-Processors/Internal-pull-ups-on-i-MX6-Solo-X-processor/m-p/971119#M144634 <HTML><HEAD></HEAD><BODY><P>Hello Achyut Hegde,</P><P></P><P>You can find the pull resistor enablement and options on the pad configuration registers on the i.MX6SX Reference Manual (link below, you may need to login to download this document).</P><P></P><P><A href="https://www.nxp.com/webapp/Download?colCode=IMX6SXRM">https://www.nxp.com/webapp/Download?colCode=IMX6SXRM</A></P><P></P><P>The properties would be PKE (Pull/Keep Enable Field), PUE (Pull/Keep Select Field) and PUS (Pull Up/Down Config. Field).</P><P></P><P>I hope this helps!<BR /> Regards,</P></BODY></HTML> Fri, 26 Jul 2019 20:17:44 GMT https://community.nxp.com/t5/i-MX-Processors/Internal-pull-ups-on-i-MX6-Solo-X-processor/m-p/971119#M144634 gusarambula 2019-07-26T20:17:44Z