Regular Contributor
Posts: 33
Registered: ‎04-14-2009

SD Cards

Do all SD Cards supports an SPI interface?
Posts: 43
Registered: ‎04-13-2009

Re: SD Cards

Yes, in order to meet the SD Card spec, each device must support an SPI interface in addition to the 4 bit bus interface. Th host can chose which interface to use for data transfers.