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question. What to do if there are two drivers for a signal occuring in various moments of time?. Signal Assignment Rules. Example 1. 1. 1. ta. This comes next so is “stronger”. Z. 1. Z. Z. This comes next so is “stronger”. 1. 1. 1. 1. Example 3. This comes next so is “stronger”.

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  1. question • What to do if there are two drivers for a signal occuring in various moments of time?

  2. Signal Assignment Rules

  3. Example 1 1 1 ta This comes next so is “stronger” Z 1 Z

  4. Z This comes next so is “stronger” 1 1 1 1

  5. Example 3 This comes next so is “stronger” 1 Z

  6. Example 4 “i” is variable so takes this period, not previous, so “1” starts in moment 3 0 1 2 3 4 0 0 0 1 1 ta This comes next so is “stronger” Z 0 0 0 1 Z

  7. Z This comes next so is “stronger” 1 1 1 1

  8. Some old and some new relations between variables and signals

  9. a=0 We use old value which is 0

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