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Can we use W634GU6NB-11 (Winbond Speed grade 1866) with STM32MP1ADD3 ?

PS.2
Associate II

Hi,

 

Can we use a DDR3L from Winbond with part number W634GU6NB-11 (Speed bin 1866) with STMPU STM32MP1ADD3.

As STM32MP1 datasheet suggest that it can support up-to 1066. So using above part from Winbond will have any interface issue ?

 

Thanks.

 

Hi @Community member​ 

can you please share your input on above issue.

 

1 ACCEPTED SOLUTION

Accepted Solutions
PatrickF
ST Employee

Hi @PS.2​ 

Faster memory could work at slower frequency.

Will likely work with default DDR3L-1066 conservative settings. Please look at AN5168 for details of configuration choices which could probably enhance a bit the performances (CL improvement gain is usually barely noticeable at system level, especially on x32 DDR).

Regards.

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.

View solution in original post

1 REPLY 1
PatrickF
ST Employee

Hi @PS.2​ 

Faster memory could work at slower frequency.

Will likely work with default DDR3L-1066 conservative settings. Please look at AN5168 for details of configuration choices which could probably enhance a bit the performances (CL improvement gain is usually barely noticeable at system level, especially on x32 DDR).

Regards.

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.