homebrew DIY SD-card pinout & driver algorithm ?

http://uanr.com/sdfloppy tells:


And the several pictures show that the card is about 9pins wide
and uses 7 wires.

But he doesn't give the SD's pin-out.
I'm looking for the pinout and the driver algorithm.

Can anybody help please.

== TIA.




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AliBama@gmail.com wrote:

SD card pinout
http://tinyurl.com/q4p2y6

SD card source code
http://tinyurl.com/p6hnbe

don

don schreef:

That really gave me a chuckle ;-). Have never known something like that
exists, very funny.

Rene

ROTFLMAO - best I've seen in a while. Well done Don!

The simplified specification is publically available at:

http://www.sdcard.org/developers/tech/sdcard/pls/Simplified_Physical_Layer_Spec.pdf

In terms of interfacing you are almost certainly best of using the
SPI interface since it is the best documented in terms of the freely
available specs. It is also a direct connection to any microcontroller
with an SPI interface. I wouldn't bother bodging the connection
- SD card connectors are readily available, e.g. the very first
supplier I checked:

http://cpc.farnell.com/jsp/level5/module.jsp?moduleId=cpc/342987.xml

--
Andrew Smallshaw
andrews@sdf.lonestar.org