EEPuppyPuppy
Junior Member level 3
As a beginner to VSLI design, I am using and learning Innovus these days and have two questions. Hope someone could help me.
1) set_db.
The user manual has some sample flows with codes. It usually contains 'set_db' commands to set values for some attributes (the manual calls it database object.) These object usually is the attributes belong to some settings.
My question is that are the following commands perform the same functions:
2) Invalid Commands:
There might be some commands mentioned in the manual but will report 'Invalid Commands' error, which is so wired that I feel I might make some mistakes.
And the error is
Similar error would be reported when I was trying to use
Will really appreciate any help.
1) set_db.
The user manual has some sample flows with codes. It usually contains 'set_db' commands to set values for some attributes (the manual calls it database object.) These object usually is the attributes belong to some settings.
My question is that are the following commands perform the same functions:
Code:
# Command 1
set_db cts_target_skew 50ps
# Command 2
set_ccopt_mode -cts_target_skew 50ps
2) Invalid Commands:
There might be some commands mentioned in the manual but will report 'Invalid Commands' error, which is so wired that I feel I might make some mistakes.
Code:
create_clock_tree_spec -out_file ccopt.spec
source ccopt.spec
Code:
**ERROR: (IMPSYT-6693): Error message: top.tcl: invalid command name "create_clock_tree_spec".
Code:
clock_design
Will really appreciate any help.