SD snd SDHC card differences
in [Embedded]
|
Prev: International Journal of Electronics, Information and Systems (IJEIS) Call for Paper
Next: Sequence Diagrams from Packet Analyzer logs/output files - Free
From: Gene S. Berkowitz on 10 Jan 2010 12:43 In article <yc2qquzup029$.1no0v6dzwv9fs.dlg(a)40tude.net>, antonio12358(a)hotmail.com says... > Un bel giorno larwe digitò: > > >> The only remarkable difference that I know is that the support of SPI mode > >> (which is very handy for small microprocessors applications) is only > >> optional for microSD. > > > > This is true but in practice I have never seen one that took advantage > > of this. > > Then I must be very unlucky, I tried with a single microSD and it didn't > work. :) > > I don't remember the brand now. It could be Sandisk but I may be mistaken.. SanDisk MicroSD does support SPI mode. I was not able to get SPI mode to work reliably with a Kingston MicroSD. --Gene
From: don on 10 Jan 2010 13:08
Gene S. Berkowitz wrote: > In article <yc2qquzup029$.1no0v6dzwv9fs.dlg(a)40tude.net>, > antonio12358(a)hotmail.com says... >> Un bel giorno larwe digit�: >> >>>> The only remarkable difference that I know is that the support of SPI mode >>>> (which is very handy for small microprocessors applications) is only >>>> optional for microSD. >>> This is true but in practice I have never seen one that took advantage >>> of this. >> Then I must be very unlucky, I tried with a single microSD and it didn't >> work. :) >> >> I don't remember the brand now. It could be Sandisk but I may be mistaken. > > SanDisk MicroSD does support SPI mode. I was not able to get SPI > mode to work reliably with a Kingston MicroSD. > > --Gene I am using a Lexar 2GB microSD on this board: http://www.sparkfun.com/commerce/product_info.php?products_id=8627 don |