TDA4VH-Q1: ibis model don't have 34.4ohm ODT parameter

Hello Biao,

How is the 34 Ω configured?

My understanding is the Jacinto7 DDRSS Register Configuration Tool (document PDF here) supports the following:

Regards,
Mark

Hi Mark,

Actually in the config tool we have the option of 34.4Ohm, can you help double check how should I reply to customer? and additional information is in VL ibis model there is 34.4Ohm option.

BR,

Biao 

Hi Biao,

I confirmed the IBIS DDR model does not have a 34.3 Ω driver sub-model available. You mentioned TDA4VL IBIS model has a 34.4 Ω driver option, but I don't see it when I check the J721S2 IBIS model. Can you show me what you're talking about?

Regards,
Mark

Hi Mark,

I found 34ohm in this file. In addition, 34.3ohm could be selected in the Regconfigtool, why is it not included in the IBIS model?

BR,

Biao