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Visitor
Visitor
2,625 Views
Registered: ‎05-19-2014

Problem when executing Modelsim with Memory_IP

Hi everyone, I've encountered a problem when I was tring to run 

ModelSim with the Memory_IP generated by Coregenerator.

 

The message window shows the below message:

# blk_mem_gen_v7_3 collision detected at time: 197920000, A write address: 1, B read address: 0
# blk_mem_gen_v7_3 collision detected at time: 197920000, A write address: 1, B read address: 0
# blk_mem_gen_v7_3 collision detected at time: 197920000, A write address: 1, B read address: 0
# blk_mem_gen_v7_3 collision detected at time: 197920000, A write address: 1, B read address: 0
...

It keeps for a while until the time is over(I guess is the time that simulator make memories to initialize?)

 

But my simulation result looks like it didn't have fatal problem.

Here is my simulation figure:

(P.S. The in signal only needs one pattern to stimulate because design's requirement .)

 

Q.jpg

 

I expect that someone could give me some advice or suggestion.

Really appreciate for your help !!

 

Thank you  all !!

 

 

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Teacher
Teacher
2,610 Views
Registered: ‎08-14-2007

Re: Problem when executing Modelsim with Memory_IP

Hi,

what a funny simulation result:

- rst always active

- output enable always inactive

 

still the output is quite busy generating output values...

 

And no signal to be seen that could be related to the mentioned messages.

So where's (at least) addra and addrb and what kind of memory have you created anyway?

 

Please try again in the correct forum. This one is for Picoblaze related questions.

 

Have a nice simulation

  Eilert

 

 

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