google了半天,很多人遇到这个问题,但是还没有找到解决办法。
有一个人是这么说的: #**Warning: (vsim-3473) component ‘ram10’ is not bound.
In the wave viewer you will notice that all signals from the bRAM come out as X, even
when you have correctly forced the signals going into the bRAM.
The solution to this problem is to use another library of components and tell the simulator
to use that library when simulating the bRAMs. The library is called UNISIM and it
contains many components with behavioral models that a simulator could use to model
their functionality.
Getting the UNISIM library into your project and compiled is not very difficult and only
takes about 10 minutes. We will use the assumption that you have some basic knowledge
of the Mentor Graphics design application (fpgadv). We will walk thru the steps to set up
the library next. While using the fpgadv tool, new windows will open with data that 但是我看不懂,再次呼唤高人出来指点1