Mismatch of Output Buffer Impedance and Drive Strength Field

[ko-hey]

Hi all

Let me confirm Output Buffer Impedance and Drive Strength Field with i.MX6UL.

I think there are some wrong description about Output Buffer Impedance and Drive Strength Field.

I'm refering the following documents.
IMX6ULCEC Rev. 1, 04/2016
IMX6ULRM Rev. 1, 04/2016

Here is a table which shows the relationship between Output Buffer Impedance and DSE in IMX6ULCEC.

On the other hand, here is a table which shows the setting of DSE and the impedance value in IMX6ULRM.

Comparing the above, I think the table 33 of IMX6ULCEC is for OVDD = 3.3V and table 34 is for OVDD = 1.8V.

Am I correct ?

Ko-hey

[gusarambula · Accepted solution]

Hello Ko-hey,

Thanks for pointing this out! What seems to be switched is the Drive Strength Field on the pad register impedances and voltages. The Datasheet tables look correct.

I’ll forward this error to the documentation team so it gets addressed on future releases of the documentation.

Regards,

[ko-hey]

Hello gusarambula

Thank you for reply.

I understand.

Ko-hey