DP83826E: Default value of RX_D0

Masakazu Adachi

Part Number: DP83826E

Hello team,

I received a question from the customer. In Table 6-1, isn't PU a typo and correctly PD? The customer confirmed on the actual device that the default was 0. This is also in conflict with Tables 9-11.

Regards,

Masa

over 2 years ago

0 Hillman Lin over 2 years ago

TI__Mastermind 25955 points

Hi Masa,

Sorry for the confusion, RX_D0 should be PD. We will fix this on our next revision datasheet.

Sincerely,

Hillman Lin

+1 Masakazu Adachi over 2 years ago in reply to Hillman Lin

TI__Intellectual 2500 points

Hello Lin,

I see. Also, I have an additional question from the customer. Which is the correct in Figure 9-11 or Table 9-10 regarding to the logic for strap7?

Regards,

Masa

+1 Gerome Cacho over 2 years ago in reply to Masakazu Adachi

TI__Mastermind 40315 points

Hi Masa,

Hillman will be OoO for a little bit, but I work on the same team as him.

Please consult this FAQ on the corrected flowchart for DP83826 enhanced mode. We will be updating this in next revision of datasheet.

Sincerely,

Gerome

+1 Masakazu Adachi over 2 years ago in reply to Gerome Cacho

TI__Intellectual 2500 points

Hi Gerome,

I understand. Thank you.

Regards,

Masa

0 Masakazu Adachi over 2 years ago in reply to Masakazu Adachi

TI__Intellectual 2500 points

Hello Gerome,

As I drew the red line, it is correct as follows, as it is possible to use Repeater Mode when set to RX_DV while in RMII mode?

Regards,

Masa

0 David Creger over 2 years ago in reply to Masakazu Adachi

TI__Mastermind 27452 points

Hi Masa,

Let me check with the team on this.

Thanks,

David

0 David Creger over 2 years ago in reply to David Creger

TI__Mastermind 27452 points

Hi Masa,

This FAQ shows the corrected version of the image you have shared from the datasheet. This will be corrected in the next revision of the datasheet.

Thanks,

David

0 Masakazu Adachi over 2 years ago in reply to David Creger

TI__Intellectual 2500 points

Hi David,

Does this mean that the red line will also be corrected to "This pin can be configured to CRS_DV in MII mode to enable RMII Repeater Mode"?

Regards,

Masa

0 David Creger over 2 years ago in reply to Masakazu Adachi

TI__Mastermind 27452 points

Hi Masa,

That red line will not be corrected, no. In RMII mode, the default is CRS_DV, but it can be programmed as RX_DV to be used in RMII repeater mode.

Thanks,

David

0 Masakazu Adachi over 2 years ago in reply to David Creger

TI__Intellectual 2500 points

Hi David,

I am confused.
Please, please, please look carefully at the block diagram in the FAQ.
In the FAQ block diagram it says "CRS_DV(RMII Repeater)".
What is correct?

[FAQ]

[Datasheet]

Regards,

Masa

+1 David Creger over 2 years ago in reply to Masakazu Adachi

TI__Mastermind 27452 points

Hi Masa,

Thank you for pointing this out. The flowchart will need to be updated. RX_DV is used in repeater mode, as stated in Table 9-10 and the pin section table.

Thanks,

David

0 Masakazu Adachi over 2 years ago in reply to David Creger

TI__Intellectual 2500 points

Hello David,

Thanks to confirm it.

Regards,

Masa

Interface

Interface forum

DP83826E: Default value of RX_D0