Settings and Configuration Files

Default Timing Requirements Section (Settings and Configuration Files)



The Default Timing Requirements section contains the default timing requirements for the current project. The Default Timing Requirements section is used only when no clocks are specified. The Default Timing Requirements section is located in the Project Settings File (.psf).

The Default Timing Requirements section keyword is DEFAULT_TIMING_REQUIREMENTS.

The Default Timing Requirements section contains statements that follow these Usage Code definitions.

The following table shows the Default Timing Requirements section keywords (which are underscore separated), descriptions, legal settings, and usage codes:

Keyword Settings Code
CUT_OFF_CLEAR_AND_PRESET_PATHS On | Off(Default=On) A
CUT_OFF_IO_PIN_FEEDBACK On | Off (Default=On) A
CUT_OFF_PATHS_BETWEEN_CLOCK_DOMAINS On | Off (Default=On) A
CUT_OFF_READ_DURING_WRITE_PATHS On | Off(Default=On) A
DEFAULT_HOLD_MULTICYCLE One | Same as Multicycle (Default=One) A
EXCLUDE_FMAX_PATHS_GREATER_THAN <time> A
EXCLUDE_SLACK_PATHS_GREATER_THAN <time> A
EXCLUDE_TCO_PATHS_LESS_THAN <time> A
EXCLUDE_TH_PATHS_LESS_THAN <time> A
EXCLUDE_TPD_PATHS_LESS_THAN <time> A
EXCLUDE_TSU_PATHS_LESS_THAN <time> A
EXTERNAL_INPUT_DELAY <time> A
EXTERNAL_OUTPUT_DELAY <time> A
FMAX_REQUIREMENT <time> A
IGNORE_CLOCK_SETTINGS On | Off (Default=Off) A
INCLUDE_EXTERNAL_PIN_DELAYS_IN_FMAX_CALCULATIONS On | Off (Default=Off) A
MINIMUM_DELAY_REQUIREMENT <time> A
NUMBER_OF_DESTINATION_TO_REPORT <integer> (Default=10) A
NUMBER_OF_PATHS_TO_REPORT <integer> (Default=200) A
NUMBER_OF_SOURCES_PER_DESTINATION_TO_REPORT <integer> (Default=10) A
RUN_ALL_TIMING_ANALYSES On | Off (Default=Off) A
TAO_FILE <file name> A
TCO_REQUIREMENT <time> A
TH_REQUIREMENT <time> A
TPD_REQUIREMENT <time> A
TSU_REQUIREMENT <time> A


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