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lmp90100 normal streaming mode issues

luis francisco moreno
Prodigy 10 points
Other Parts Discussed in Thread: LMP90100

hi, i'm using the lmp90100 for general purpose measuring and i have some issues in  reading and writing registers in the normal streaming mode, i'm get response reading or writing only when i read or write by a single transaction, but when i try to use the normal streaming mode for read or write 3+ bytes i have no response from the lmp90100, i'm using the Cy8C5868AXI-LP32 from cypress semiconductor for interfacing the LMP90100. 

  • 0
    TI__Genius 16890 points
    Hello,

    A couple of things you can check. The default value of the SPI_STREAMCN register is Normal Streaming. Please make sure that you are not over writing this default value.

    What is your CSB signal doing? Is it deasserting after 3 bytes? This will stop the streaming if it does.

    Can you send an example of the values that you are sending to the LMP90100 over SPI?

    Thanks,

    Mike