Tightly Coupled Memory

Indeed, I did miss the point. Thank you Cris72 for the clarification. I thought DSL was advising against using TCM.

From you comments and DSL's last post I better understand how TCM can be used to speed up a design and reduce the resource load on the FPGA. There is a lot that I still do not understand about this, such as how does one control what code goes into TCM and what code goes into normal memory. I need to study the subject a bit more if I can find documentation on TCM in respect to Nios II.