You are here: start » interfaces » sdcard

Differences

This shows you the differences between two versions of the page.

--- interfaces:sdcard [2023/06/25 13:36]
darron created
+++ interfaces:sdcard [2023/09/18 16:57] (current)
darron
@@ Line 1: / Line 1: @@
-{{:interfaces:sdcardif1.jpg?400}}
+====SDCARD====
+<wrap right>
+{{:interfaces:sdcardif1.jpg?100}}
+\\ \\
+{{:interfaces:sdcardif2.jpg?100}}
+\\ \\
+{{:interfaces:sdcardif3.jpg?100}}
+\\ \\
+{{:interfaces:sdcardif4.jpg?100}}
+\\ \\
+{{:interfaces:sdcardif5.jpg?100}}
+</wrap>
+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]]
+[[https://www.sdcard.org/downloads/pls/|SDCARD spec]]