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DRV8889-Q1: SPI inteface doubt connection DRV8889 to MSP430

Lori Lorenzo
Prodigy 70 points
Part Number: DRV8889-Q1

Dear Sirs,
I'm going to design a board with DRV8889 and MSP430.
My doubt is how can I use MCU SPI that works with 7 or 8 bits only with the one of the DRV8889 that works with 16 bits.
Your DRV8889 -Q1 Evaluation Module (EVM) according to EVM schematic, works in this way.
Please clarify me or give me some hints about how to do this.
Bye and thank you.
Lorenzo Lori

  • 0
    TI__Guru** 114905 points

    Hi Lori,

    The MSP430 sends two eight bit packets to make up the 16 bits. The nSCS pin is controlled separately and held low throughout the entire 16 bits.

    The MSP430 code is available in the Software Development section of the DRV8889-Q1EVM folder.