what is one bit and 4-bit sd mode in sd card?

[anan1975]

what is one bit sd mode?

hi
can anybody help about one bit and 4-bit sd mode in sd card.
anand

 

[santhu456]

Re: what is one bit sd mode?

hi
can anybody help about one bit and 4-bit sd mode in sd card.
anand

Hi,,,,

We have 2 Sd mode of operations.... one is 1 bit and another is 4 bit... Difference is data lines.... 1 bit is having only one data line DAT0 and 4 bit mode having 4 data lines DAT[0-3]. Reaming would be same