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[SOLVED] Getting problem in interfacing micro SD card with LPC2368

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shashank07

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hi
I am doing project which includes interfacing of SD Card with LPC2368
I am getting problem in initialization of SD card
I am using it in SD mode
I am stuck at response for Command 55
Getting invalid response
Hardware is ok i checked it
I referred code available on net


Please Help
 

hello
My SD card problem is solved now!
It is initializing :)
but now I am facing problem in writing and reading one block of data in SD card
If anyone has experience in SD card please help me
 

Hello Mr Milind
Thank for the reply
I have gone through the link
Right now I successfully implemented initialization process of SD card
i.e. response for cmd0,cmd55,cmd41.
now I am trying to implement SD card read and write operation
but when i send SD write command I get Write Tx overrun error
How to solve this Is there clock related problem
i am working 18Mhz clock
 

the only way I know to solve the timing related issue is use CRO and probe the signal send some known data like 0x55 such that maximum bandwidth can be used and see the respective response on CRO......

Good Luck
 

Dear Mr.Milind,
Ok I'll check it on server let's see what happens

Thanks for reply will get back to you.....

- - - Updated - - -

Dear Mr.Milind,
Ok I'll check it on server let's see what happens

Thanks for reply will get back to you.....
 

Hello all
I am trying to interface sd card with lpc2368
I tried it using MCI mode but I am facing too many problems
So i am planning to implement it using SPI mode
can any body help me out with this
is there any example code with file system implementation
please Help

Thank YOU!
 

Hi BigDogguru

Thanks for your link it helped me a lot to understand the FAT File system concepts

I got one sample code from my friend I made necessary changes for my application but i am getting one error can you help me with that

I am getting nested interrupt error

Thank You!
 

Hi I am getting RX overrun error for SD card FAT File system

any solution for this????
 

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