LS1046A DDR4 interface

Nareshvarikuntla — Thu, 30 Dec 2021 08:46:42 GMT

Dear NXP,

Can I interface just 32 bit DDR4 with ECC memory to LS1046A. Could please provide references in this regard.

Regards,

Naresh V.

Re: LS1046A DDR4 interface

ufedor — Fri, 31 Dec 2021 03:35:33 GMT

> Can I interface just 32 bit DDR4 with ECC memory to LS1046A.

Yes.

> Could please provide references in this regard.

Please refer to the FRWY-LS1046A schematics available at:

For 32-bit case do not implement U17 and U18.

Assuming that Accumulated ECC will be enabled, D1_MECC[4-7] have to be left unconnected.