I***a 发帖数: 704 | 1 Vertex 5 的block RAM有谁用过吗?
如何在VHDL文件里 instantiate 一个block RAM? 需要libary/use一个特定Library/
Package吗? Thanks. |
DK 发帖数: 194 | 2 Use coregen, or read the XST user guide to see how to write VHDL in such a
way that xst can infer it for you.....
【在 I***a 的大作中提到】 : Vertex 5 的block RAM有谁用过吗? : 如何在VHDL文件里 instantiate 一个block RAM? 需要libary/use一个特定Library/ : Package吗? Thanks.
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I***a 发帖数: 704 | 3 Thanks.
还有个问题就是使用Block RAM和使用Slice里面的Register有什么区别?
使用Block RAM省面积, 但是最大时钟频率会变慢? |
T******T 发帖数: 3066 | 4 Using them right now, coregen, could also pre-load mcs image files. pretty
handy.
【在 I***a 的大作中提到】 : Vertex 5 的block RAM有谁用过吗? : 如何在VHDL文件里 instantiate 一个block RAM? 需要libary/use一个特定Library/ : Package吗? Thanks.
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a*****8 发帖数: 261 | 5 1. google keyword:
"virtex 5 vhdl libraries guide"
2. download the pdf. it should come off xilinx website
3. check page 315. it talks about instance of BRAM.. |
T******T 发帖数: 3066 | 6 I guess it would be more optimized, less strain on the ISE during place and
route and timing optimization.
【在 I***a 的大作中提到】 : Thanks. : 还有个问题就是使用Block RAM和使用Slice里面的Register有什么区别? : 使用Block RAM省面积, 但是最大时钟频率会变慢?
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DK 发帖数: 194 | 7 If your critical path is through the memory, then probably yes, but this is
really case by case, fpga cad tool can give u very non-deterministic results
, unless u have a very trivial design, its hard to say, especially
considering the routing delay dominates a lot of times.
【在 I***a 的大作中提到】 : Thanks. : 还有个问题就是使用Block RAM和使用Slice里面的Register有什么区别? : 使用Block RAM省面积, 但是最大时钟频率会变慢?
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