Forum Discussion

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

Single Port RAM issue on cyclone IV

I have been using single port ram using megafunction, my initialization file has 4 words of 4 bits each - 4'h1,4'h2,4'h3,4'h4 The reading part is fine, but I am unable to write any data, the RTL ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

--- Quote Start ---

I am not asking about using memory editor, i have used memory editor to verify that it is not getting written, and yes i have set the feature in megawizard to allow me in system editing

--- Quote End ---

It is not working in simulation either except for intial states of 0 and 1. Your design ends up in state 2 doing nothing.

also be aware that your mem clock is gated (can do but not safe).