Octal Flash and OCTAL RAM with flex spi

manojkumar_123 · ‎02-21-2023

Hi,

Am using IMXRT1176 and wanted to use OCTAL Flash and OCTAL RAM with flexSPI. Is there any complication in using this?

Is there any reference for the same? iMXRT1170

manojkumar_123 · ‎02-28-2023

The idea is to have the image in flash and during bootup the image will be copied from Flash to RAM and after that Flash will not be in use and we planned to have this OCTAL flash and OCTAL RAM in same bus as we don’t planned to use simultaneously.

Please confirm if this can possible with same FLEXSPI with 2 CS lines

EdwinHz · ‎03-02-2023

Hi @manojkumar_123,

I understand you don't intend to keep using the flash after bootup since the code would be copied to the ram. However while copying, the flash to the ram, you would be doing flash reads and ram writes correct? This simultaneous use is not possible.

BR,

Edwin.

EdwinHz · ‎02-27-2023

Hi @manojkumar_123,

You should have no complications doing this as long as you use a different FlexSPI module for each memory.

BR,

Edwin.