https://devzone.nordicsemi.com/f/nordic-q-a/73553/custom-board-with-nrf52840-and-tft-lcd-2-8-spi-kmrtm28028Hi All, I try to run the example GFX in sdk 17.02. I wired the TFT : ---VCC ------------------ +3V ---GND ------------------ GND ---CS -------------------- P1.09 ---RESET--------------- P0.08 ---D/C-------------------- P0.06 ---SDI(MOSI) ------en-USTelligent Community 13Tue, 06 Apr 2021 15:23:33 GMThttps://devzone.nordicsemi.com/thread/303259?ContentTypeID=1Tue, 06 Apr 2021 15:23:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:72fd83e4-7597-4e31-b9a8-0a7884f596a2Kenneth<p>The external memory is not used by default, however physically the pins are connected to the external memory. Flip the DK and you will see the solder bridges in one of the tables.</p> <p>Kenneth</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/303239?ContentTypeID=1Tue, 06 Apr 2021 14:51:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:50c00297-6b10-44f6-a9ad-67cbb5363d52Marco Mori<p>Hi Kenneth thanks for you answer! I use a custom board, but I try to investigate if is possible to change pin. But in DK&nbsp;<span lang="en">which pins are dedicated to external memory? thanks </span></p> <p><span lang="en">Marco</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/303128?ContentTypeID=1Tue, 06 Apr 2021 12:09:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fc8221d1-b5ce-4ba3-9745-c1dd1d2078b9Kenneth<p>Have you tried to connect a logic analyzer to the pins in question to check if they indeed controlled as expected? Some of the pins you refer to may be used by other peripherals (e.g. if you flip the DK you can find that some of the pins may be used for external memory by default, so you need to fix some solder bridges as indicated on the read side).</p> <p>Kenneth</p><div style="clear:both;"></div>