8-bit MicrocontrollersのトピックRe: SD Card / SPI Assistance Needed https://community.nxp.com/t5/8-bit-Microcontrollers/SD-Card-SPI-Assistance-Needed/m-p/200304#M16351 <HTML><HEAD></HEAD><BODY><P>I finally located my problem, that being a typo in one of the SPI commands (writing SPIS instead of SPID in a line of code).&nbsp; Everything working fine now.</P></BODY></HTML> Wed, 19 May 2010 04:19:10 GMT Thunder 2010-05-19T04:19:10Z SD Card / SPI Assistance Needed https://community.nxp.com/t5/8-bit-Microcontrollers/SD-Card-SPI-Assistance-Needed/m-p/200303#M16350 <HTML><HEAD></HEAD><BODY><P>Hi, I'm using an&nbsp; HCS08LG32, running at 3.3V to interface with an SD card via SPI.&nbsp; CLK frequency is at 4M, which is divided by 12 for the SPI SD card init sequence.&nbsp; Most of the code is borrowed from that provided with the JM60 USB/SDcard demo.&nbsp; I get thru the init() sequence most (by not all times) and get an error most of the time in writing the SD card.&nbsp; I seem to be able to read the SD "most" of the time.&nbsp; In the rare occasions&nbsp;that a write is successful, I can read back the numbers written.&nbsp; &nbsp;I have the SW code as an attachment here.</P><P>Any suggestions welcome.</P></BODY></HTML> Sat, 15 May 2010 05:13:44 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/SD-Card-SPI-Assistance-Needed/m-p/200303#M16350 Thunder 2010-05-15T05:13:44Z Re: SD Card / SPI Assistance Needed https://community.nxp.com/t5/8-bit-Microcontrollers/SD-Card-SPI-Assistance-Needed/m-p/200304#M16351 <HTML><HEAD></HEAD><BODY><P>I finally located my problem, that being a typo in one of the SPI commands (writing SPIS instead of SPID in a line of code).&nbsp; Everything working fine now.</P></BODY></HTML> Wed, 19 May 2010 04:19:10 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/SD-Card-SPI-Assistance-Needed/m-p/200304#M16351 Thunder 2010-05-19T04:19:10Z