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using Dual-Quad-SPI with OCTOSPI in STM32H5xx

shii
Associate II

‎2024-05-02 06:39 AM

Hi,

I have been trying to connect PSRAM and NOR FLASH to STM32H563 nucleo board using Dual-Quad-SPI.

I was able to successfully read/write to PSRAM and NOR Flash individually in single-Quad-SPI mode with base address 0x90000000. i'm not clear how the addressing is taken care, when we connect both PSRAM and NOR Flash in dual-Quad-SPI mode.

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Nagarajan
Associate III
In response to LCE

‎2024-06-06 05:29 AM - edited ‎2024-06-06 05:29 AM

Thanks for your information. I just want to know one more information like how the memory mapped mode is used. I want both flash and RAM memories should be considered as internal memory. Is it having two different addresses for memory mapping?

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