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Altera_Forum
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15 years ago

Worst slack values are Negative for Removal

HI , I am trying to run the NIOSII example of led from the nios2 hardware manual.I could generate the nios 2 system.And also integrate it with the Quartus.But when I compile the system in quart...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Use something like this instead: 

# JTAG Signal Constraints constrain the TCK port (uncomment the line below if altera_reserved_tck isn't already defined)# create_clock -name tck -period 100 #  Cut all paths to and from tck
set_clock_groups -asynchronous -group #  Constrain the TDI port
set_input_delay -clock altera_reserved_tck -clock_fall 1 #  Constrain the TMS port
set_input_delay -clock altera_reserved_tck -clock_fall 1 #  Constrain the TDO port
set_output_delay -clock altera_reserved_tck -clock_fall 1