TMDS243GPEVM: Implementation for DQS and LBCLK in OSPI

Daisuke Maeda

Guru 20205 points

Part Number: TMDS243GPEVM

Our customer found an error in the TMDS243GPEVM documents about the implementation for DQS and LBCLK in OSPI.

R601 and R592 to route from memory device to DQS not found on TMDS243GPEVM. It seems correct to swap R152 and R600 and mount R591.

The TMDS243GPEVM used by our customer seems to be the new revision "PROC101B (002)".

Has it been modified for the new revision "PROC101B (002)"?

Could you provide schematic for the new revision "PROC101B (002)"?

Best regards,

Daisuke

over 2 years ago

+1 Daniel Bermudez over 2 years ago

TI__Expert 7630 points

Hi Daisuke,

Daisuke Maeda said:
R601 and R592 to route from memory device to DQS not found on TMDS243GPEVM. It seems correct to swap R152 and R600 and mount R591.

Yes this assumption is correct. looks like the schematic and the user guide contain bad pointers on this.

I will share the PROC101B schematic with you but unfortunately this mistake carries to all our subsequent revisions of the board schematic. We will address it for future revisions so thanks for pointing this out.

Best,

Daniel

PROC101B Schematic:

PROC101B(002)_SCH.pdf

0 Daisuke Maeda over 2 years ago in reply to Daniel Bermudez

Guru 20205 points

Hi Daniel-san,

Thank you for your reply.

Please update the schematic and the user guide to fix it.

Best regards,

Daisuke

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TMDS243GPEVM: Implementation for DQS and LBCLK in OSPI