AnsweredAssumed Answered

Using RT1052 SDRAM config from EVK demo

Question asked by variable_andrew on Jan 21, 2020
Latest reply on Jan 30, 2020 by variable_andrew

Could you confirm if the Micron MT48LC16M16A2b4-6a can use the same config as the RT1052EVK's ISSI is42s16160j-6bli SDRAM?

ISSI datasheet: http://www.issi.com/WW/pdf/42-45S83200J-16160J.pdf

Micron: https://www.micron.com/products/dram/sdram/part-catalog/mt48lc16m16a2b4-6a 

 

 

They have the same memory / bank layout it appears... but:

I'm trying to test this Micron SDRAM on our board using the basic MCUXpresso SEMC demo:

SEMC_SDRAMReadWrite32Bit fails, but SEMC_SDRAMReadWrite16Bit and SEMC_SDRAMReadWrite8Bit both pass, so there's something specifically wrong w/ 32 bit writes/reads for us using the micron memory w/ the default EVK's SDRAM init.

Any thoughts on why just 32 bit would fail? 

Outcomes