Using insert_pads command in DC

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sam536

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Does any one worked on DC with insert_pads command?. It looks like obsolete in 2007.03. Any comments...

By the way i want to insert io pads at netlsit level. I welcome all your inputs/examples/scripts if you can support me...

i need help in jtag insertion and BSD usage. If any one worked on this, pls let me know,..New to Boundary scan insertion..

Regards,
Sam
 

dc_shell insert_pads

Now IO pad will be added in layout's software if I am not wrong.

In the past, we extract digital circuit then place IO pads in some layout software. Thus DC's insert_pad has never been useful.
 

Re: insert_pads in DC

Hai Dude,

Try this comments

link-library=target_library=sc-cadence.db)---- depends on the tool
read-f VHDL.rtl/arbiter.vhd--------- Depends if u use verilog
set_port_is pad
insert pads
verilog out_single
-bit=true
write-f verilog-output gste/arbiter op.v
quit
 

Re: insert_pads in DC

Hi phutanesv,
Can you check insert_pads command exists are not in DC in current version (2007.03)?. When i tried it says , invalid command.


Regards,
Sam
 

insert_pads in DC

hi every body, I have a question:

why insert pad in dc? why not instantialized them in your top level design?
 

insert_pads in DC

Modify your RTL and insert pads there and link the library. That is more better and effective way as u dont wanna optimize it, rather for constraining and analyzing the design
 

insert_pads in DC

I think that PADs are always instantiated by hands in Verilog Coding.

IN DC-FPGA, you can use
set_port_is_pad ...
to automatically insert PADs.
 

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