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AR# 15799

3.1 EDK - I am having difficulty simulating a MicroBlaze design using a resolution of "ps"

Description

Keywords: EDK, simulation, MicroBlaze, ps

Urgency: Standard

General Description:
I am having difficulty simulating a MicroBlaze design using a resolution of "ps". How do I make this simulation work?

Solution

Problems occur due to delays in the UniSim library, which are not rounded to zero when the resolution is "ps". There are two solutions:

1. Change the simulation resolution to "ns" if the design does not include a DCM. (The DCM requires the "ps" resolution to lock.)
2. If the design contains a DCM, the simulation resolution must be set to "ps", and the following VSim switch must be used: "+notimingchecks".
AR# 15799
Date Created 10/08/2002
Last Updated 04/28/2006
Status Archive
Type General Article