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Altera_Forum
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15 years ago

Quartus allocates M9Ks for NIOS is 16 block increments - HELP

Hi Folks- I'm having a problem getting use of the the last few M9K unsused blocks in my device. Block RAM for NIOS code and data seems to be allocated by Quartus in increments of 16 M9Ks. In S...
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Altera_Forum
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15 years ago

If all else fails you can always make your own memory component that you have complete control over the block width and depth. To make it visible to the CPU you would just need to add the 'isMemoryDevice' command to the hardware .tcl file so that you can target it like any other memory that ships with SOPC Builder. To find out more about the command you can find it here: http://www.altera.com/literature/hb/nios2/n2sw_nii52018.pdf

This won't work for tightly coupled memories, but you can always add smaller TCMs using the on-chip memory that ships with SOPC Builder.