https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/lcd-question/m-p/2305602#M36131 <P>Hi<BR /><BR />I use the same LCD module with the MIMXRT1170-EVK. [<A href="https://www.nxp.com/part/RK055HDMIPI4MA0" target="_blank">https://www.nxp.com/part/RK055HDMIPI4MA0</A>] and it has the 40 pin connector matching the board.<BR /><BR />I think that you are referring to the 31 pin connector on the RK055MHD091A0-CTG (from Rocktech), which is the sub-module used on the expansion board - from NXP.<BR /><BR />This photo from the reverse side of the expansion board should clarify.<BR /><BR /></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mjbcswitzerland_0-1770164350616.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/375372iCEACF06B4FAA5F15/image-size/medium?v=v2&amp;px=400" role="button" title="mjbcswitzerland_0-1770164350616.png" alt="mjbcswitzerland_0-1770164350616.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">mjbcswitzerland_0-1770164350616.png</span></span></P><P>&nbsp;</P><P>Mine is from 2018 and doesn't have the A0 at the end but the LCD expansion module is designed to work with the EVK (or the EVK to work with it).<BR /><BR />Regards<BR /><BR />Mark<BR /><BR /><BR /><BR /></P> Wed, 04 Feb 2026 00:20:58 GMT mjbcswitzerland 2026-02-04T00:20:58Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/lcd-question/m-p/2303781#M36113 <P><SPAN>hello, i have a MIMXRT1170-EVKB dev board. would like to buy a display. the RK055HDMIPI4MA0. the data sheet for the display shows a 31 pin connector while the board has a 40 pin connector. are they compatible?</SPAN></P><P><SPAN>thanks</SPAN></P> Fri, 30 Jan 2026 12:28:36 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/lcd-question/m-p/2303781#M36113 aforce_tech 2026-01-30T12:28:36Z https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/lcd-question/m-p/2305602#M36131 <P>Hi<BR /><BR />I use the same LCD module with the MIMXRT1170-EVK. [<A href="https://www.nxp.com/part/RK055HDMIPI4MA0" target="_blank">https://www.nxp.com/part/RK055HDMIPI4MA0</A>] and it has the 40 pin connector matching the board.<BR /><BR />I think that you are referring to the 31 pin connector on the RK055MHD091A0-CTG (from Rocktech), which is the sub-module used on the expansion board - from NXP.<BR /><BR />This photo from the reverse side of the expansion board should clarify.<BR /><BR /></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="mjbcswitzerland_0-1770164350616.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/375372iCEACF06B4FAA5F15/image-size/medium?v=v2&amp;px=400" role="button" title="mjbcswitzerland_0-1770164350616.png" alt="mjbcswitzerland_0-1770164350616.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">mjbcswitzerland_0-1770164350616.png</span></span></P><P>&nbsp;</P><P>Mine is from 2018 and doesn't have the A0 at the end but the LCD expansion module is designed to work with the EVK (or the EVK to work with it).<BR /><BR />Regards<BR /><BR />Mark<BR /><BR /><BR /><BR /></P> Wed, 04 Feb 2026 00:20:58 GMT https://community.nxp.com/t5/i-MX-RT-Crossover-MCUs/lcd-question/m-p/2305602#M36131 mjbcswitzerland 2026-02-04T00:20:58Z