5326 - Diamond 3.10 / XP2: How to disable auto evaluation or auto compilation?

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  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 ...

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

  Auto Hold-Time Correction controls whether the router will automatically insert extra wires to compensate for the hold time violation on affected registers. Auto hold-time correction has a negative impact on your setup time. If the setup time is more ...

• 1964 - Diamond: How can users disable irrelevant clock domain crossings during the device implementation?

  Timing paths that contain clock domain crossings are paths between two registers that are clocked with two clocks. After performing timing analysis using Place and Route TRACE, such timing paths usually have the following source and destination ...

• 7733 - ECP5 / Diamond 3.14: Why does my design get a Map device oversize error related to PLL for LFE5U-12F in with Diamond 3.14, but completes map successfully in earlier releases of Diamond software?

  In Diamond version 3.14, there is a bug where it incorrectly limits the number of PLLs in the device to 0 for LFE5U-12F. Example error message: ERROR - (device oversize error). The number of PLL components needed (1) exceeds the number available. ...

• 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"?

  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” ...