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interfaces:sdcard [2023/06/25 13:37]
darron 		interfaces:sdcard [2023/09/18 16:57] (current)
darron
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 ====SDCARD==== ====SDCARD====
  
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 + 
 +This is a cheap interface found on eBay and elsewhere from China 
 +to connect an SDCARD. Apparently the pull-ups are too low in value 
 +and out of spec. 
 + 
 +{{:interfaces:sdcard.pdf|Schematic}} 
 + 
 +===Resources=== 
 + 
 +[[https://www.ti.com/lit/ds/symlink/lm1117.pdf|LM1117 LDO datasheet]] 
 + 
 +[[http://elm-chan.org/docs/mmc/mmc_e.html|MMC/SDC howto]]
  
-This interface board contains no logic just two SDCARD +[[https://www.sdcard.org/downloads/pls/|SDCARD spec]]
-sockets and connecting pins.+