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AM2431: Conflicts in Datasheet

Fangjia Zhu
Prodigy 80 points
Part Number: AM2431

Hello,

I found these conflicting information for the datasheet and need some clarification:

  1. About this CAP_VDDSHV_MMC1. Which one should I trust? I don't plan to use SDIO_LDO at all but should I connect this pin directly to ground or with a 3.3uF capacitor?
  2. What are the actual signal names for J15 and J16? Table 6-2 says VDDS_MMC0 and VSS but there is a note later on says it changed in "PG2.0". What are PG1.0 and PG2.0? Which should I use? They need to be connected differently in different scenarios.

Thanks,

Fang

  • +1
    TI__Mastermind 22893 points

    Hey Fang,

    1) If SDIO_LDO is not used, the balls must be connected directly to VSS. We will update the footnote to mention that the CAP_VDDSHV_MMC1 pin needs the capacitor only while being used to power the VDDSHV5 rail.

    2) In PG1.0:

    J15 = VDDS_MMC0

    J16 = VSS

    In PG2.0:

    J15 = ADC_REFP

    J16 = ADC_REFN

    We will update Table 6-2 to reflect the PG2.0 signal names.

    Best Regards,

    Zackary Fleenor