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Honored Contributor
Honored ContributorBRAM "Read old data while writing" option for Cyclone V
Hi, I am using Cyclone V device and I wanted to migrate one of the design which was targeted for xilinx device to Altera Cyclone V. And I want to use True Dual Port BRAM with "Read Old data while...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- As I read in Embedded memory user guide, "Read old data during write" is not supported in M10K and M20K blocks. Since Cyclone V device has only M10K blocks, can I assume that "Read old data during write" is not possible in Cyclone V? If yes, what is the alternate solution for this? Looking forward for help.. Thanks. --- Quote End --- From what I read it is allowed in cyclone V for certain memory types (single clock or dual...). If in your case it is not allowed then check that you do really mean to read old data & write. If that is required by your design then you could change your plan and read just before write by delaying write on same address.
