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interfaces:sdcard [2023/06/25 14:41] – darroninterfaces:sdcard [2023/09/18 16:57] (current) – darron
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-This interface board contains no logic just two SDCARD +This is a cheap interface found on eBay and elsewhere from China 
-sockets, a regulator, resistors, capacitors and connecting pins.+to connect an SDCARD. Apparently the pull-ups are too low in value 
 +and out of spec. 
 + 
 +{{:interfaces:sdcard.pdf|Schematic}}
  
 ===Resources=== ===Resources===
  
-[[https://www.ti.com/lit/ds/symlink/lm1117.pdf|LM1117 LDO]]+[[https://www.ti.com/lit/ds/symlink/lm1117.pdf|LM1117 LDO datasheet]] 
 + 
 +[[http://elm-chan.org/docs/mmc/mmc_e.html|MMC/SDC howto]] 
 + 
 +[[https://www.sdcard.org/downloads/pls/|SDCARD spec]] 
 +