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ADS1299/ADS1299EEG FE/SPI problem/SDATAC command isn't work

mysol93
Prodigy 20 points
Other Parts Discussed in Thread: ADS1299

Hi! 

I plugged the board with STM32 microcontroller to the board with ads1299. Board MMB0 use for power. SPI configuration: CPOL = 0, CPHA = 1, 16-bit. As I understand it, as soon as power ads1299 starts conversion and DRDY sends impulses. I send a command SDATATC and check DRDY - pulses continue to go, ie SDATAC command failed

All signals are checked directly at the inputs of circuits ads1299. Please help me understand what I'm doing wrong. Thank you very much!

  • 0
    Prodigy 230 points

    Hello,

    I'm also working on controlling ADS1299 with STM32, could you please send me the STM32 code as a conference?

    My email is 243996866@qq.com.

    Best regards!

    Tracy Young

  • 0
    TI__Mastermind 38745 points
    Hello mysol93,

    Sorry it took us so long to respond! The SDATAC command will not stop conversions, it simply stops the device from outputting data automatically with a toggling SCLK. Data may still be read synchronously in SDATAC mode using the RDATA command.

    Hello Tracy,

    Unfortunately we do not have code for that particular processor, but maybe another community member can help!

    Regards,
    Brian Pisani