Intel® Quartus® Prime Software
Intel® Quartus® Prime Design Software, Design Entry, Synthesis, Simulation, Verification, Timing Analysis, System Design (Platform Designer, formerly Qsys)
Announcements
FPGA community forums and blogs on community.intel.com are migrating to the new Altera Community and are read-only. For urgent support needs during this transition, please visit the FPGA Design Resources page or contact an Altera Authorized Distributor.
17268 Discussions

Preserve Registers logic option

Altera_Forum
Honored Contributor II
1,798 Views

Hello, 

I am new to quartus II 9.1.Can anyone tell me where to turn on Preserve Register Logic option in assignment editor.Thanks in advance.:) 

 

0 Kudos
4 Replies
Altera_Forum
Honored Contributor II
610 Views

 

--- Quote Start ---  

Hello, 

I am new to quartus II 9.1.Can anyone tell me where to turn on Preserve Register Logic option in assignment editor.Thanks in advance.:) 

 

 

--- Quote End ---  

 

 

Hi, 

 

open the assignment editor and double click in the assignment field and choose : 

 

Preserve Registers 

 

or in case the register has no fan-out 

 

Preserve Fan-out Free Register Node 

 

Kind regards 

 

GPK
0 Kudos
Altera_Forum
Honored Contributor II
610 Views

 

--- Quote Start ---  

Hi, 

 

open the assignment editor and double click in the assignment field and choose : 

 

Preserve Registers 

 

or in case the register has no fan-out 

 

Preserve Fan-out Free Register Node 

 

Kind regards 

GPK 

--- Quote End ---  

 

 

Hello, 

Thanks for your prompt reply.But first i want to ask you one thing that i am using the web edition of quartus II.Is it possible to turn this setting on in this edition secondly as per your reply i cant find assignment field in my assignment editor.
0 Kudos
Altera_Forum
Honored Contributor II
610 Views

 

--- Quote Start ---  

Hello, 

Thanks for your prompt reply.But first i want to ask you one thing that i am using the web edition of quartus II.Is it possible to turn this setting on in this edition secondly as per your reply i cant find assignment field in my assignment editor. 

--- Quote End ---  

 

 

Hi, 

 

can you post the picture in the forum ? 

 

Kind regards 

 

GPK
0 Kudos
Altera_Forum
Honored Contributor II
610 Views

Thank you so much for your response.I think i have got the solution i have directly edited .qsf file and set the preserve_register on.Thanks again for your help.

0 Kudos
Reply