topic Re: i.MX8M Mini GPIO timing question in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067695#M156878 <HTML><HEAD></HEAD><BODY><P>Most GPIO pins are input after reset and the software configures it as output. So the time is application dependent.</P><P></P><P>As for GPIO pins that are output by default (like PMIC_ON_REQ one) there is no time specified.</P></BODY></HTML> Thu, 06 Aug 2020 02:33:55 GMT b36401 2020-08-06T02:33:55Z i.MX8M Mini GPIO timing question https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067692#M156875 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>at the reset state all GPIO will be in input mode, what will be the delay from reset state to configuration, for a GPIO on the 3.3V domain, let say I need to configure a GPIO in output and set a specific level.&nbsp; I'm using the same booth up sequence as the 8M mini EVK, so what will be delay for the 3.3V to be ready and the GPIO configured?</P><P></P><P>Thank you</P><P></P><P>Martin</P></BODY></HTML> Wed, 05 Aug 2020 16:24:09 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067692#M156875 martinbernier 2020-08-05T16:24:09Z Re: i.MX8M Mini GPIO timing question https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067693#M156876 <HTML><HEAD></HEAD><BODY><P>Hi Martin</P><P></P><P>i.MX8M Mini GPIO module is the same as in i.MX6Q,</P><P>with about 5MHz typical delays as described on</P><P><A href="https://community.nxp.com/thread/323306">https://community.nxp.com/thread/323306</A>&nbsp;</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 06 Aug 2020 00:45:36 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067693#M156876 igorpadykov 2020-08-06T00:45:36Z Re: i.MX8M Mini GPIO timing question https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067694#M156877 <HTML><HEAD></HEAD><BODY><P>My question is more about the settle time from boot up, not at what speed we can toggle a GPIO. &nbsp;So how much time it will take from boot to fully configured GPIO?</P><P>&nbsp;</P><P>Thank you</P><P></P><P>Martin</P></BODY></HTML> Thu, 06 Aug 2020 02:05:20 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067694#M156877 martinbernier 2020-08-06T02:05:20Z Re: i.MX8M Mini GPIO timing question https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067695#M156878 <HTML><HEAD></HEAD><BODY><P>Most GPIO pins are input after reset and the software configures it as output. So the time is application dependent.</P><P></P><P>As for GPIO pins that are output by default (like PMIC_ON_REQ one) there is no time specified.</P></BODY></HTML> Thu, 06 Aug 2020 02:33:55 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067695#M156878 b36401 2020-08-06T02:33:55Z Re: i.MX8M Mini GPIO timing question https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067696#M156879 <HTML><HEAD></HEAD><BODY><P>&gt;<SPAN style="color: #51626f; background-color: #ffffff;">&nbsp;So how much time it will take from boot to fully configured GPIO?</SPAN></P><P></P><P>after POR release GPIO module is fully configured and ready to use,</P><P>please look at&nbsp;Figure 3. The power-up sequence</P><P><A href="https://www.nxp.com/docs/en/data-sheet/IMX8MMCEC.pdf" style="color: #215bd6; background-color: #ffffff; text-decoration: none; font-size: 14px;" target="_blank"><STRONG style="font-weight: bold;">i.MX 8M Mini Applications Processor Datasheet for Consumer Products</STRONG></A></P><P></P><P>Best regards<BR />igor</P></BODY></HTML> Thu, 06 Aug 2020 03:47:02 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067696#M156879 igorpadykov 2020-08-06T03:47:02Z Re: i.MX8M Mini GPIO timing question https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067697#M156880 <HTML><HEAD></HEAD><BODY><P>Thank you</P></BODY></HTML> Thu, 06 Aug 2020 13:32:11 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8M-Mini-GPIO-timing-question/m-p/1067697#M156880 martinbernier 2020-08-06T13:32:11Z