I am developing a PIC based project that will play MP3 sound effects and music.
  I have decided to use the STA013 MP3 decoder.
  To simplify development, I want to store all of my MP3 files on an SD card or CF card.
  This would allow me to simply add and remove files with a PC and Card reader.
  When the card is plugged into my PIC circuit, the PIC will need to read data from FAT encoded data files out of the SD or CF card. I would prefer to use the SD card since they are smaller and lighter (important in my application). I am not sure if its tougher to interface a CF vs. SD card to a PIC18 series. I found the pinouts for the SD card, however its not 100% clear how to interface to a PIC (additional interface circuity, pull up resistors, etc.). Another help would be to find some PIC drivers to read data from FAT files on these cards. Any direction would be helpfull.
  Thanks
   
   

 		
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