topic SD/MMC Questions in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/SD-MMC-Questions/m-p/522059#M4695 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bunrockter on Sat Aug 04 13:43:37 MST 2012</STRONG><BR /><SPAN>I recently got the Hitex board and I am trying to get the SD peripheral up and running. I have chose not to use the driver the comes with the 4350 because I am using a state based design, and I want to tightly integrate it with a state machine.</SPAN><BR /><BR /><SPAN>I have looked at the code, and set up my initialization accordingly. I get and interrupt for card presence, but I am unable to get a Remote timeout or command done interrupt to fire. I am trying to send the idle command to the card (which I know doesn't respond) but I would expect to get a command done interrupt &amp; I don't.</SPAN><BR /><BR /><SPAN>Is setting up the args register, and setting the START_CMD bit in the CMD register all I have to do to send a command?</SPAN><BR /><BR /><SPAN>Thanks</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:37:45 GMT lpcware 2016-06-15T16:37:45Z SD/MMC Questions https://community.nxp.com/t5/LPC-Microcontrollers/SD-MMC-Questions/m-p/522059#M4695 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bunrockter on Sat Aug 04 13:43:37 MST 2012</STRONG><BR /><SPAN>I recently got the Hitex board and I am trying to get the SD peripheral up and running. I have chose not to use the driver the comes with the 4350 because I am using a state based design, and I want to tightly integrate it with a state machine.</SPAN><BR /><BR /><SPAN>I have looked at the code, and set up my initialization accordingly. I get and interrupt for card presence, but I am unable to get a Remote timeout or command done interrupt to fire. I am trying to send the idle command to the card (which I know doesn't respond) but I would expect to get a command done interrupt &amp; I don't.</SPAN><BR /><BR /><SPAN>Is setting up the args register, and setting the START_CMD bit in the CMD register all I have to do to send a command?</SPAN><BR /><BR /><SPAN>Thanks</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:37:45 GMT https://community.nxp.com/t5/LPC-Microcontrollers/SD-MMC-Questions/m-p/522059#M4695 lpcware 2016-06-15T16:37:45Z Re: SD/MMC Questions https://community.nxp.com/t5/LPC-Microcontrollers/SD-MMC-Questions/m-p/522060#M4696 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by mirfan on Mon Sep 24 05:43:03 MST 2012</STRONG><BR /><SPAN>Hi bunrockter,</SPAN><BR /><BR /><SPAN>Is the START_CMD bit getting cleared after you set the CMD register? CIU clears this bit once it accepts the command.</SPAN><BR /><BR /><SPAN>Thanks</SPAN></BODY></HTML> Wed, 15 Jun 2016 16:37:46 GMT https://community.nxp.com/t5/LPC-Microcontrollers/SD-MMC-Questions/m-p/522060#M4696 lpcware 2016-06-15T16:37:46Z