https://community.nxp.com/t5/LPC-Microcontrollers/Interfacing-touch-screen-lcd-with-LPC1769/m-p/1187177#M42983 <P>Hi, Aniket,</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiangjun_rong_0-1606113137477.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/130723i31920033AA57DE87/image-size/medium?v=v2&amp;px=400" role="button" title="xiangjun_rong_0-1606113137477.png" alt="xiangjun_rong_0-1606113137477.png" /></span></P> <P>&nbsp;</P> <P>From above timing, you can use spi interface of LPC1769 as master to access the xpt2046. You can use the byte length to write and read.&nbsp; If you use Busy signal, you can connect the Busy to a GPIO, you can read the logic of Busy, after it becomes low, you can write the spi transmit register to launch transfer so that you can read the ADC sample.</P> <P>Hope it can help you</P> <P>BR</P> <P>XiangJun Rong</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 23 Nov 2020 06:39:58 GMT xiangjun_rong 2020-11-23T06:39:58Z https://community.nxp.com/t5/LPC-Microcontrollers/Interfacing-touch-screen-lcd-with-LPC1769/m-p/1186961#M42973 <P>I was trying to interface a touch screen display with lpcxpresso lpc1769</P><P>I am using waveshare 5" with xpt2046 touch controller, but it has HDMI port for display.</P><P>How can interface this display with lpc1769.</P><P>Pls help.</P> Sat, 21 Nov 2020 10:43:43 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Interfacing-touch-screen-lcd-with-LPC1769/m-p/1186961#M42973 ashinde555 2020-11-21T10:43:43Z https://community.nxp.com/t5/LPC-Microcontrollers/Interfacing-touch-screen-lcd-with-LPC1769/m-p/1187177#M42983 <P>Hi, Aniket,</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="xiangjun_rong_0-1606113137477.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/130723i31920033AA57DE87/image-size/medium?v=v2&amp;px=400" role="button" title="xiangjun_rong_0-1606113137477.png" alt="xiangjun_rong_0-1606113137477.png" /></span></P> <P>&nbsp;</P> <P>From above timing, you can use spi interface of LPC1769 as master to access the xpt2046. You can use the byte length to write and read.&nbsp; If you use Busy signal, you can connect the Busy to a GPIO, you can read the logic of Busy, after it becomes low, you can write the spi transmit register to launch transfer so that you can read the ADC sample.</P> <P>Hope it can help you</P> <P>BR</P> <P>XiangJun Rong</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 23 Nov 2020 06:39:58 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Interfacing-touch-screen-lcd-with-LPC1769/m-p/1187177#M42983 xiangjun_rong 2020-11-23T06:39:58Z