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ADS130E08: Can not get the chip ID

wenwu wang
Prodigy 70 points
Part Number: ADS130E08
Other Parts Discussed in Thread: ADS131E08

Hi, everyone

We used the ADS130E08 to make a sample .

But can not read back the  chip ID by SPI bus, the START/Reset/PWR_DN/ DIN/DOUT/CLK/ looks fine

if there are any  suggestion for me to check again?

 ADS131E08_V0.1.pdf

  • 0
    TI__Guru 66246 points

    Hello Wenwu,

    Thank you for your post.

    Are you able to capture the SPI RREG command frame on a logic analyzer or scope? If so, please share the waveforms so that we can check the commuication.

    Are you following the power-on reset timing correctly? After supplies have ramped, you should issue a pulse to the RESETn pin as described in the Power-Up Sequencing section.

    Regards,

    Ryan