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

• Related Articles

• Diamond: Why is the HOLD_OFFSET on the timing report a negative value when using the INPUT_DELAY option on the INPUT_SETUP preference?

  Based on the preferences section of Diamond Help, this is a normal/expected behavior of the timing engine and is seen on the timing reports. INPUT_DELAY is independent of frequency/period and would take the negative of the hold value as the ...

• 941 - Diamond: Timing: Why does the hold analysis use a different speed grade?

  Diamond: Timing: When running a Hold analysis the default speed grade run is the -M. The -M speed grade is the fastest device across a process and is usually the worst case for a hold analysis. Ideally when looking at a hold analysis the IO Timing ...

• 3837 - Lattice Diamond: Is the USE EDGE preference available in the tool for MachXO2 devices?<br>

  Solution: The USE EDGE preference is not available for MachXO2 devices in Lattice Diamond software. The only way to support the edge is through the design - ECLKSYNC and DDR modules only.

• 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 ...

• 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” ...