627 - Lattice Diamond: What is the PAR Strategy Auto Hold Time Correction used for?

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• 929 - Diamond: Place and Route: Timing: What is Auto hold-time correction setting in PAR?

  Diamond: Place and Route: Timing: When the PAR (Place And Route) property auto hold-time correction is set to On, the router automatically inserts extra wires to compensate for the hold time violation on affected registers. Internal hold time ...

• 1993 - Diamond: Why does the place and route tool not fix hold violation for the design despite Auto Hold-Time Correction being set to "On"?<br>

  The tool disables Hold-Time Correction due to the following reasons: 1. If there is a setup timing error, auto hold-time correction will not be done. If user wants the correction to be done anyway, add the following option to “Command Line Options” ...

• Diamond: What is the difference of HOLD and HOLD_WINDOW?

  Diamond Timing Analysis View does Setup and Hold Analysis along with hold-window calculation. The setup calculation is done based on the user speed grade. The hold calculation is done based on the minimum speed grade and the hold_window calculation ...

• 1713 - Diamond: When using the FREQUENCY preference, when would I want to use the HOLD_MARGIN keyword?

  The HOLD_MARGIN preference is used to indicate the extra hold margins user can apply to the frequency preferences. If HOLD_MARGIN is not specified The 'min' path is optimized using the default timing numbers for each components, this could result in ...

• 1046 - Lattice Diamond: What is the "BLOCK INTERCLOCKDOMAIN PATH" preference used for? <br>

  Lattice Diamond: This constraint is used to block paths that involve data transfer between registers that are clocked by different clock nets. If used without understanding, it will block all clocks domains from each other, even if they are supposed ...