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WEBENCH® Tools/Ads1293evm: How to configure ads1293 evm to 10 bit resolution

rakesha T
Prodigy 120 points
Part Number: ADS1293EVM
Other Parts Discussed in Thread: ADS1293

Tool/software: WEBENCH® Design Tools

Hello sir am using ads1293 evm , but it default set to 24 bit Resolution , but I'm need onely 10 bit resolution, so how to configure the ads1293 to 10 bit, is possible .

  • 0
    TI__Mastermind 38745 points
    Rakesha,

    Unfortunately this is impossible using the EVM software. However if you develop your own firmware, you can read each of the data registers individually. Figures 79-81 in the ADS1293 datasheet show the data registers. If you want lower resolution, you could read one or two of the registers instead of all 3. This is not possible in loopback mode, though.

    Brian
  • 0 in reply to Brian Pisani
    Prodigy 120 points

    thank you Brian,

    but am doing as u mentioning,   to read  registers 0x38,0x39,0x3b,0x3c respectively. but am not getting the ecg output in software after the read the these registers  it shows an error, am uploading screen shots below 

  • 0 in reply to rakesha T
    TI__Mastermind 38745 points
    Hello Rakesha,

    This is will not be possible using the EVM software, like I mentioned above. What I indicates as a way to reduce the resolution is only possible if you develop your own system (hardware, firmware, software, etc.). If you are using the EVM, can you not collect the data in all 24 bits and then simply ignore the LSBs that you do not need later?

    Regards,
    Brian Pisani