topic Load current of GPIO in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Load-current-of-GPIO/m-p/694139#M107624 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>We are using i.Mx6UL based custom board. <BR /> We need withstand load current of GPIO pin for appropriate LED selection(Considering GPIO voltage as 3.3V).<BR />I could not find this detail in the datasheet. Please provide the detail on this.</P><P>Thanks in advance.</P><P></P><P>Regards,<BR />Krishna</P></BODY></HTML> Wed, 09 Aug 2017 01:27:44 GMT KrishnaPrasad1z 2017-08-09T01:27:44Z Load current of GPIO https://community.nxp.com/t5/i-MX-Processors/Load-current-of-GPIO/m-p/694139#M107624 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>We are using i.Mx6UL based custom board. <BR /> We need withstand load current of GPIO pin for appropriate LED selection(Considering GPIO voltage as 3.3V).<BR />I could not find this detail in the datasheet. Please provide the detail on this.</P><P>Thanks in advance.</P><P></P><P>Regards,<BR />Krishna</P></BODY></HTML> Wed, 09 Aug 2017 01:27:44 GMT https://community.nxp.com/t5/i-MX-Processors/Load-current-of-GPIO/m-p/694139#M107624 KrishnaPrasad1z 2017-08-09T01:27:44Z Re: Load current of GPIO https://community.nxp.com/t5/i-MX-Processors/Load-current-of-GPIO/m-p/694140#M107625 <HTML><HEAD></HEAD><BODY><P>Actually GPIO buffer load capacity is not specified in units of current.<BR />It is only specified in terms of buffer drive strength or output impedance.<BR />You can refer chapter 4.8.1 "Single Voltage GPIO Output Buffer Impedance" of i.MX 6UltraLite DataSheet.</P><P></P><P>And you can use IBIS models to estimate the current.</P><P></P><P></P><P>Have a great day, <BR />Victor <BR /> <BR />----------------------------------------------------------------------------------------------------------------------- <BR />Note: If this post answers your question, please click the Correct Answer button. Thank you! <BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 09 Aug 2017 06:57:00 GMT https://community.nxp.com/t5/i-MX-Processors/Load-current-of-GPIO/m-p/694140#M107625 b36401 2017-08-09T06:57:00Z