i.MX Processors中的主题 Need second gpio pin https://community.nxp.com/t5/i-MX-Processors/Need-second-gpio-pin/m-p/249461#M22441 <HTML><HEAD></HEAD><BODY><P>Hey folks,</P><P></P><P>I'm already toggling the USER led on my i.MX53 QSB via the GPIO7 register. That works pretty fine.</P><P>Now I need a second GPIO pin that i can control via software and that is (easily) accessible from </P><P>outside.</P><P></P><P>Can U help me? Thanks in advance!</P></BODY></HTML> Wed, 06 Feb 2013 10:35:36 GMT jimpanse 2013-02-06T10:35:36Z Need second gpio pin https://community.nxp.com/t5/i-MX-Processors/Need-second-gpio-pin/m-p/249461#M22441 <HTML><HEAD></HEAD><BODY><P>Hey folks,</P><P></P><P>I'm already toggling the USER led on my i.MX53 QSB via the GPIO7 register. That works pretty fine.</P><P>Now I need a second GPIO pin that i can control via software and that is (easily) accessible from </P><P>outside.</P><P></P><P>Can U help me? Thanks in advance!</P></BODY></HTML> Wed, 06 Feb 2013 10:35:36 GMT https://community.nxp.com/t5/i-MX-Processors/Need-second-gpio-pin/m-p/249461#M22441 jimpanse 2013-02-06T10:35:36Z Re: Need second gpio pin https://community.nxp.com/t5/i-MX-Processors/Need-second-gpio-pin/m-p/249462#M22442 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Assuming you are not using the microphone, have you considered MIC_DET_B (PATA_DATA6=GPIO2_GPIO[6])?</P><P></P><P>Similarly, if you are not using the headset output, you could try HEADPHONE_DET_B (PATA_DATA5=GPIO2_GPIO[5]).</P><P></P><P>Regards,</P><P>Rod.</P></BODY></HTML> Wed, 06 Feb 2013 14:14:59 GMT https://community.nxp.com/t5/i-MX-Processors/Need-second-gpio-pin/m-p/249462#M22442 RodBorras 2013-02-06T14:14:59Z Re: Need second gpio pin https://community.nxp.com/t5/i-MX-Processors/Need-second-gpio-pin/m-p/249463#M22443 <HTML><HEAD></HEAD><BODY><P>Thank you very much! Perfect answer!</P></BODY></HTML> Thu, 07 Feb 2013 09:47:21 GMT https://community.nxp.com/t5/i-MX-Processors/Need-second-gpio-pin/m-p/249463#M22443 jimpanse 2013-02-07T09:47:21Z