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With STM32N6, are there any limitations to using the NPU RAM

Brenden_PLUS
Associate III

On the STM32N6, half the ram is attached to this NPU RAM on it's own bus.  Are there any downsides to using this ram for non neural net applications.

 

Use case

     I would like to use the NPU ram for just frame buffers.  

 

From what i can tell the memory is continues so i could put a memory buffer across potentially 2 different AXISRam sections.  

 

Just asking if i would be able to use DMA operations with the DMA2d or the GPU2.5D engine.  Or if i could DMA peripheral like SPI or LTDC from these buffers

 

Related post

 

Screenshot 2026-01-20 at 5.31.23 PM.png

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