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Original question:

DRA821U: How is drive strength set for the DRV_STR setting?

DRA821U: Does the ibis model work with the DRV_STR setting?

Tsurumoto
Genius 15354 points
Part Number: DRA821U

Hi

Ibis models include LVCMOS models: NOM, slow, fast, utnom, utslow, and utfast.

Does the ibis model work with the DRV_STR setting?

If so, how does it relate to the setting?

What does UT mean in the model name?

Thanks and Best regards,

Tsurumoto.

  • +1
    TI__Guru 54472 points

    Hello,

    The LVCMOS DRV_STR MMR setting corresponds to the IBIS model versions as follows:

    00 for NOM => Maps to lvcmosN_nom models

    01 for FAST => Maps to lvcmosN_fast models

    10 for SLOW => Maps to lvcmosN_slow models

    The UT models are not valid and should not be used.

    Regards,
    Kyle