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Need help with a testbench using lattice software

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david119

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lattice generate testbench

Hi everyone,

I'm using lattice semiconductor's ispLEVER starter software to work on an FPGA project. This is my first FPGA project and I don't know how to run a functional simulation to check the logic using the VHDL template.

I've put the VHDL template that the software generated in word and attached it. There are three inputs a clock, reset, and latch. And there are 29 outputs. The output is a binary form of time 0:00:000. Just like a stopwatch.

My problem is that I don't know what to add to the VHDL template. I need to generate an ongoing clock signal followed by periodic reset and latch signals.

Any help would be greatful

Thanks in advance
 

latice software

Hi there,

Some hints:
1. Add a process that describes your clock.
2. add some stimuli (assert/de-assert reset & latch)
3. look at the behavior of the outputs
 

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