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Altera_Forum
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12 years ago

Tightly Coupled OnChip DMA

Hi, I've got some very strange 'performance behavior' with a tightly coupled on chip memory used as data storage. In order to speed up my design, I've created a tightly coupled on chip memory w...
Altera_Forum's avatar
Altera_Forum
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12 years ago

Is the TCM single or dual port?

If it's a single port ram, then it will definitly stall while the copy takes place.

If its a true dual port, you should be able to make it work, just make sure the NIOS is attached to one port and the DMA controller is attached to the other.

Pete