Need info about commands for MMC card

Status
Not open for further replies.

thirunkar

Newbie level 2
Joined
May 18, 2007
Messages
2
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,295
Sir,
I am doing project on interfacing multimedia card with 8051(AT89s51).I need of clear data sheet about that MMC card particularly about that commands.In that totally there about 48 bits in that command.
1 - star bit
2 - transmission bit .
3:5 - command bit.
next 32 bit was argument
next 7 was crc and the last was end bit.
I have doubt in that command bit in that i have the explation about each and every command but i dont have the code to use in that program , so please can you u help me.
Regading,
Dharun Kumar
 

Re: Regarding MMC card

Hi,

I noted you are using ATMEL chip , I have made the MMC/SD card interface with AVR-DOS for BASCOM, by buying the orginal copy you can get the ASM code. for they you can understand the logic and protocol of interfacing to MMC/SD card.

check out **broken link removed**

Regards
M.Pathma
 

    thirunkar

    Points: 2
    Helpful Answer Positive Rating
Re: Regarding MMC card

I recommend checking this page for info on MMC.
There are also working examples, even routines for FAT handling, check the resource part of this page.
 

    thirunkar

    Points: 2
    Helpful Answer Positive Rating
Status
Not open for further replies.

Similar threads

Cookies are required to use this site. You must accept them to continue using the site. Learn more…