https://community.nxp.com/t5/i-MX-Processors/TSC-Resistive-touch-controller/m-p/1190060#M165627 <P>Use the i.MX6ULL touch screen controller for connection to resistive touch panel. See the Chapter 53 of the i.MX6UL Reference Manual:</P> <P><A href="https://www.nxp.com/webapp/Download?colCode=IMX6ULRM" target="_blank">https://www.nxp.com/webapp/Download?colCode=IMX6ULRM</A></P> <P>See the Section 53.2.2.3 for pins connection.</P> <P>See the following document:</P> <P><A href="http://www.3m.com/us/electronics_mfg/touch_systems/ewcd/Korea/downloads/PDFs/ResistiveIntegrationGuide.pdf" target="_blank">http://www.3m.com/us/electronics_mfg/touch_systems/ewcd/Korea/downloads/PDFs/ResistiveIntegrationGuide.pdf</A></P> <P>This document shows that length up 20 inches is possible. It is near to your length.</P> <P>&nbsp;</P> <P>See also the following application note:</P> <P><A href="https://www.ti.com/lit/an/sbaa036/sbaa036.pdf?ts=1606420386763&amp;ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FADS7843#:~:text=RESISTIVE%20TOUCH%20SCREENS,location%20on%20the%20touch%20screen" target="_blank">https://www.ti.com/lit/an/sbaa036/sbaa036.pdf?ts=1606420386763&amp;ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FADS7843#:~:text=RESISTIVE%20TOUCH%20SCREENS,location%20on%20the%20touch%20screen</A>.</P> <P>&nbsp;</P> <P>and</P> <P>&nbsp;</P> <P><A href="https://www.analog.com/en/analog-dialogue/articles/gesture-recognition-on-resistive-touch-screens.html#" target="_blank">https://www.analog.com/en/analog-dialogue/articles/gesture-recognition-on-resistive-touch-screens.html#</A></P> <P>&nbsp;</P> <P>There are few drivers for resistive touch. See the following pages:</P> <P><A href="https://www.ti.com/lit/an/slyt209a/slyt209a.pdf" target="_blank">https://www.ti.com/lit/an/slyt209a/slyt209a.pdf</A></P> <P>&nbsp;</P> <P><A href="https://www.cypress.com/file/134996/download" target="_blank">https://www.cypress.com/file/134996/download</A></P> <P>&nbsp;</P> <P><A href="https://datasheet.octopart.com/LM8500IMT9B-Texas-Instruments-datasheet-10848462.pdf" target="_blank">https://datasheet.octopart.com/LM8500IMT9B-Texas-Instruments-datasheet-10848462.pdf</A></P> <P>&nbsp;</P> <P><A href="https://datasheet.octopart.com/FTAS00-65AS4-NKK-Switches-datasheet-62059496.pdf" target="_blank">https://datasheet.octopart.com/FTAS00-65AS4-NKK-Switches-datasheet-62059496.pdf</A></P> Fri, 27 Nov 2020 04:57:12 GMT Pavel 2020-11-27T04:57:12Z https://community.nxp.com/t5/i-MX-Processors/TSC-Resistive-touch-controller/m-p/1189496#M165558 <P>Hi&nbsp;</P><P>We need some information on TSC pin details for imx6ull series processor. where we need to connect X+,X-,Y+,Y-(4 wire resistive touch interface). could you please provide details on that.&nbsp;</P><P>Please suggest external IC for resistive touch interface which has linux driver available. we have 2 feet distance from TFT LCD signal to main controller.</P><P>Also please let us know how can we do signal condition for those resistive touch signal.&nbsp;</P><P>Regards</P><P>shivakumar L V</P> Thu, 26 Nov 2020 07:06:14 GMT https://community.nxp.com/t5/i-MX-Processors/TSC-Resistive-touch-controller/m-p/1189496#M165558 shivakumar1 2020-11-26T07:06:14Z https://community.nxp.com/t5/i-MX-Processors/TSC-Resistive-touch-controller/m-p/1190060#M165627 <P>Use the i.MX6ULL touch screen controller for connection to resistive touch panel. See the Chapter 53 of the i.MX6UL Reference Manual:</P> <P><A href="https://www.nxp.com/webapp/Download?colCode=IMX6ULRM" target="_blank">https://www.nxp.com/webapp/Download?colCode=IMX6ULRM</A></P> <P>See the Section 53.2.2.3 for pins connection.</P> <P>See the following document:</P> <P><A href="http://www.3m.com/us/electronics_mfg/touch_systems/ewcd/Korea/downloads/PDFs/ResistiveIntegrationGuide.pdf" target="_blank">http://www.3m.com/us/electronics_mfg/touch_systems/ewcd/Korea/downloads/PDFs/ResistiveIntegrationGuide.pdf</A></P> <P>This document shows that length up 20 inches is possible. It is near to your length.</P> <P>&nbsp;</P> <P>See also the following application note:</P> <P><A href="https://www.ti.com/lit/an/sbaa036/sbaa036.pdf?ts=1606420386763&amp;ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FADS7843#:~:text=RESISTIVE%20TOUCH%20SCREENS,location%20on%20the%20touch%20screen" target="_blank">https://www.ti.com/lit/an/sbaa036/sbaa036.pdf?ts=1606420386763&amp;ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FADS7843#:~:text=RESISTIVE%20TOUCH%20SCREENS,location%20on%20the%20touch%20screen</A>.</P> <P>&nbsp;</P> <P>and</P> <P>&nbsp;</P> <P><A href="https://www.analog.com/en/analog-dialogue/articles/gesture-recognition-on-resistive-touch-screens.html#" target="_blank">https://www.analog.com/en/analog-dialogue/articles/gesture-recognition-on-resistive-touch-screens.html#</A></P> <P>&nbsp;</P> <P>There are few drivers for resistive touch. See the following pages:</P> <P><A href="https://www.ti.com/lit/an/slyt209a/slyt209a.pdf" target="_blank">https://www.ti.com/lit/an/slyt209a/slyt209a.pdf</A></P> <P>&nbsp;</P> <P><A href="https://www.cypress.com/file/134996/download" target="_blank">https://www.cypress.com/file/134996/download</A></P> <P>&nbsp;</P> <P><A href="https://datasheet.octopart.com/LM8500IMT9B-Texas-Instruments-datasheet-10848462.pdf" target="_blank">https://datasheet.octopart.com/LM8500IMT9B-Texas-Instruments-datasheet-10848462.pdf</A></P> <P>&nbsp;</P> <P><A href="https://datasheet.octopart.com/FTAS00-65AS4-NKK-Switches-datasheet-62059496.pdf" target="_blank">https://datasheet.octopart.com/FTAS00-65AS4-NKK-Switches-datasheet-62059496.pdf</A></P> Fri, 27 Nov 2020 04:57:12 GMT https://community.nxp.com/t5/i-MX-Processors/TSC-Resistive-touch-controller/m-p/1190060#M165627 Pavel 2020-11-27T04:57:12Z