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interfaces:sdcard [2023/06/25 14:48]
darron 		interfaces:sdcard [2023/09/18 16:57] (current)
darron
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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=== ===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]] 
 +