Radiant: How to modify majority of the sysConfig settings without the need of performing Place&Route and timing again?

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• All Nexus / Radiant version 2023.1 or earlier: Are there any guidelines when changing the speed grades for Place & Route Design and Place & Route Timing Analysis on the strategy settings?

  It is not recommended to change the default speed grade settings for both the Place & Route (PAR) Design and Place & Route Timing Analysis. DEFAULT VALUES: The default values (especially for HOLD) are for worst case timing calculations. For PAR ...

• Radiant: How does the user interpret the Single Clock Domain table entries on the Clock Summary section of the Place & Route Timing Analysis Report?

  The Single Clock Domain table of the Clock Summary Section of the Place & Route Timing Analysis report: There are three values on this table: 1. The Target is the frequency or period based on the clock constraint. This should always be the lowest of ...

• 1712 - Diamond: How can user get estimated timing of my design before running place and route?

  In both ispLEVER and Lattice Diamond tools, user can generate the timing using the static timing analysis tool after map, and before place and route. The static timing analyzer (TRCE) will generate timing using estimated models, as well as the fanout ...

• 2350 - All FPGAs: I have successfully run Place & Route Design with the Commercial device. How can I generate a trace report for the same device with Industrial grade and 85C but without re-running the synthesis and MPAR?

  Description: You can change the post-route preference file (.prf) by adding "INDUSTRIAL;" and "TEMPERATURE 85C;". Also at the same time the trace options can be updated in ispLEVER's Tools-> Trace Options or Lattice Diamond's Strategies->Place & ...

• 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 ...