LPC MicrocontrollersのトピックADC Stuck https://community.nxp.com/t5/LPC-Microcontrollers/ADC-Stuck/m-p/944484#M37595 <HTML><HEAD></HEAD><BODY><P>I have a custom board with LPC54608 mcu.&nbsp;In my application I use 7 inch resistive touch screen. touching detects via adc channels . Sometimes when I power the board ( especially after loading new firmware ) adc channels stuck and no touch can detect. Any&nbsp;idea about this problem ? Is it about hardware or software ? How can I understand the reason of problem ?</P></BODY></HTML> Tue, 20 Aug 2019 14:37:55 GMT fatihozen 2019-08-20T14:37:55Z ADC Stuck https://community.nxp.com/t5/LPC-Microcontrollers/ADC-Stuck/m-p/944484#M37595 <HTML><HEAD></HEAD><BODY><P>I have a custom board with LPC54608 mcu.&nbsp;In my application I use 7 inch resistive touch screen. touching detects via adc channels . Sometimes when I power the board ( especially after loading new firmware ) adc channels stuck and no touch can detect. Any&nbsp;idea about this problem ? Is it about hardware or software ? How can I understand the reason of problem ?</P></BODY></HTML> Tue, 20 Aug 2019 14:37:55 GMT https://community.nxp.com/t5/LPC-Microcontrollers/ADC-Stuck/m-p/944484#M37595 fatihozen 2019-08-20T14:37:55Z Re: ADC Stuck https://community.nxp.com/t5/LPC-Microcontrollers/ADC-Stuck/m-p/944485#M37596 <HTML><HEAD></HEAD><BODY><P>Hi,&nbsp;&nbsp;</P><P></P><P>You need to start checking,&nbsp; the power supply to the ADC channels and the resistive touch screen may not be in shape at this moment</P><P>My advice would be to start checking if the power it is enough or having any glitch.</P><P></P><P>Regards&nbsp;</P><P>Soledad</P></BODY></HTML> Wed, 21 Aug 2019 16:24:40 GMT https://community.nxp.com/t5/LPC-Microcontrollers/ADC-Stuck/m-p/944485#M37596 soledad 2019-08-21T16:24:40Z