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MMC interface with PIC 18f4620 question

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EM-SMS

EM-SMS

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18f4620 mmc

hello everyone ...

i`m facing a loading problem when i connected a 32Mb MMC to my 18f4620 , so i thought using 741 (Op-amp) as a buffer stage it can be useful ,
but the question here:
is it correct to use such op-amp in buffer stage ,Known that am using 4MHz crystal to run the PIC ?

any ideas or suggestions .... :?::!::?:
 

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