LPC MicrocontrollersのトピックUsing LPC18xx in LQFP208 Package causes problems with EMC_WE and SD_CMD https://community.nxp.com/t5/LPC-Microcontrollers/Using-LPC18xx-in-LQFP208-Package-causes-problems-with-EMC-WE-and/m-p/542676#M12532 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Martin84 on Tue Jul 30 02:07:15 MST 2013</STRONG><BR /><SPAN>Hi everybody,</SPAN><BR /><BR /><SPAN>I wanna use the EMC and the SD/MMC Interface with an LPC1857 in LQFP208 Package. Now I have the problem that the EMC_WE: Write enable and SD_CMD: command input/output functions are placed on the same pin. There is no alternative with this package. </SPAN><BR /><BR /><SPAN>How can I solve the problem without changing to LBGA256? Can I drive one of these functions with a GPIO (I mean without using the hardware function of the pin)? Perhaps the SD_CMD? </SPAN><BR /><BR /><SPAN>Or is there no possibility, so I have to switch to another external memory instead of sd card?</SPAN><BR /><BR /><SPAN>Regards,</SPAN><BR /><BR /><SPAN>Martin</SPAN></BODY></HTML> Wed, 15 Jun 2016 18:27:24 GMT lpcware 2016-06-15T18:27:24Z Using LPC18xx in LQFP208 Package causes problems with EMC_WE and SD_CMD https://community.nxp.com/t5/LPC-Microcontrollers/Using-LPC18xx-in-LQFP208-Package-causes-problems-with-EMC-WE-and/m-p/542676#M12532 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by Martin84 on Tue Jul 30 02:07:15 MST 2013</STRONG><BR /><SPAN>Hi everybody,</SPAN><BR /><BR /><SPAN>I wanna use the EMC and the SD/MMC Interface with an LPC1857 in LQFP208 Package. Now I have the problem that the EMC_WE: Write enable and SD_CMD: command input/output functions are placed on the same pin. There is no alternative with this package. </SPAN><BR /><BR /><SPAN>How can I solve the problem without changing to LBGA256? Can I drive one of these functions with a GPIO (I mean without using the hardware function of the pin)? Perhaps the SD_CMD? </SPAN><BR /><BR /><SPAN>Or is there no possibility, so I have to switch to another external memory instead of sd card?</SPAN><BR /><BR /><SPAN>Regards,</SPAN><BR /><BR /><SPAN>Martin</SPAN></BODY></HTML> Wed, 15 Jun 2016 18:27:24 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Using-LPC18xx-in-LQFP208-Package-causes-problems-with-EMC-WE-and/m-p/542676#M12532 lpcware 2016-06-15T18:27:24Z