Intel® Quartus® Prime Pro Edition User Guide: Design Optimization

ID 683641
Date 1/07/2022
Public

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6.7.2. I/O Timing Optimization Techniques

The table lists the .qsf file variable name and applicable values for the I/O timing optimization settings.
Table 31.  I/O Timing Optimization Settings
Setting Name .qsf File Variable Name Values Type
Optimize IOC Register Placement For Timing OPTIMIZE_IOC_REGISTER_PLACEMENT_FOR_TIMING ON, OFF Global
Fast Input Register FAST_INPUT_REGISTER ON, OFF Instance
Fast Output Register FAST_OUTPUT_REGISTER ON, OFF Instance
Fast Output Enable Register FAST_OUTPUT_ENABLE_REGISTER ON, OFF Instance
Fast OCT Register FAST_OCT_REGISTER ON, OFF Instance