Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Read access through Avalon-MM tristate bridge

Hi there, I was simulating an external memory access through Avalon-MM tristate bridge and the data width of my external memory is 16 bits. Everything worked fine except that, it always perform...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

As BadOmen said, this is indeed a known issue which was discussed elsewhere in the forum.

If you use the external memory only for 16bit data, you can define the tristate data port 32bit wide and discard the upper 16bits. This will ensure a single access for every read operation.