Forum Discussion

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

Configurable LUTs in Altera FPGAs

Hi, I've used Xilinx CFGLUT5 primitive quite a lot. It allows runtime LUT reconfiguration. The documentation of cfglut5 is here (http://www.xilinx.com/itp/xilinx10/books/docs/virtex5_hdl/virtex...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I guess it's possible to use LUTRAM for that purpose.

I currently have custom logic that drives 1-bit low-speed signal thru the very long chain of the CFGLUT5. That custom logic is memory-mapped.