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BOOST-DRV8711 with f28027

Can Özensoy
Prodigy 60 points
Other Parts Discussed in Thread: LAUNCHXL-F28027, BOOSTXL-DRV8301, BOOST-DRV8711, DRV8711

Dear Sirs,

I know that MSP-EXP430G2 works with BOOST-DRV8711 and LAUNCHXL-F28027 works with BOOSTXL-DRV8301 directly. But somehow, I have f28027 and BOOST-DRV8711 :)

I want to spin a stepper motor with BOOST-DRV8711 and I will use LAUNCHXL-F28027 but I want to know how to connect those to each other. I know that people could drive the motor with BOOST-DRV8711 using arduino or other microcontrollers. I have connected BOOST-DRV8711's 3V3, GND, step and direction connections but there is no movement. Surely I am missing something. 

Do you have a basic connection diagram for BOOST-DRV8711? I have checked something about SPI, nSLEEP connections but those were not clear for me. 

I have figured the stepper codes out for f28027. 

Thanks for your attention.

  • 0
    TI__Guru** 114905 points

    Hi Can,

    All of the documentation for the BOOST-DRV8711 is available online. Click HERE to access the folder.

    Scroll down to the BOOST-DRV8711 Hardware and Software Files for schematics, layouts, and firmware used.

  • 0 in reply to Rick Duncan
    Prodigy 60 points
    But there is nothing about LAUNCHXL-F28027 when I access that folder. Should I only use MSP-EXP430G2 with BOOST-DRV8711?
    Or will I be able to adapt 28027 to 8711? There is not much documentation about this topic. But its pdf file mentions "For other LaunchPads, ensure that the appropriate jumpers are configured on pins that the BOOSTDRV8711
    BoosterPack utilizes" and that is a positive approach. :D
  • 0
    TI__Mastermind 21320 points

    Hi Can,

    The User's Guide has a simple pin out diagram on page 3. You can also find the detailed schematic in the hardware design files.

    We unfortunately do not have any sample firmware for the 27.

    How is your firmware setup? Have you set the correct settings to the SPI registers. You can check the DRV8711 datasheet for details. I would recommend following defaults used in the 430 firmware.