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MSP430FR5994: MSP-EXP430FR5994 uSD micro SD Card Class And micro SD Card Interface

Newman
Expert 5935 points
Part Number: MSP430FR5994
Other Parts Discussed in Thread: MSP-EXP430FR5994

Hi Team 430,

The MSP-EXP430FR5994 EVM used to ship w/ an included uSD card in the box.. but is no longer included  Which class of uSD card used to ship w/ the EVM?  I do not see this mentioned in the Users Guide (slau678) or Quick Start Guide (slau677).. I recommend that it be added. 

It seems there was a non-trivial change in the SD Card Spec between Class6 and Class10 WRT the SD Card SPI specs. Which Class(es) of SD card will work properly w/ the sample software provided w/ the EVM?  

Thanks, Merril

  • 0
    TI__Mastermind 40930 points
    Hi Merril,

    I checked in one of the older EVMs that still included the card and it was a class 10. We should be able to interface with any of the classes. Can you provide details of the difference between the SPI specs for class 6 and 10?

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