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

[Brenden_PLUS]

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

• https://community.st.com/t5/stm32-mcus-products/npu-sram/m-p/808103#M279969

 

 

[chornbeck]

You'll need to turn those RAM regions on before you can read/write to them, but other than that, they're normal SRAM! Just gotta expand the Linker script to include it in RAM or make a new region.