Forum Post: RE: Capture CIS_Show Footprint
What exact version are you running from Help - About ? If it says 16.6 PXX then that's the base release and it may be an issue. Get the latest hotfix from Cadence Support / Channel Partner. You could...
View ArticleForum Post: [AHB eVC]How to send transfers with no IDLE cycles
Hi, I want to send multiple SINGLE bursts with no intervals in between. like 2-2-2-2-2-2-2-2... However, when I use the following source code, I got a couple of IDLE cycles like 2-2-0-2-2-2-0-2-0-2...,...
View ArticleForum Post: RE: [AHB eVC]How to send transfers with no IDLE cycles
I found the problem by setting the log verbosity to full. For some reason, some locked bursts are sent among all the bursts and an IDLE cycle was forced after each locked burst. Although I still don't...
View ArticleForum Post: Invalid CDF choice
I have been using some skill code where an instance (pcell) master is replaced with another pcell. The parameters are not the same, so I assumed all the cdf parameters are set to the default value of...
View ArticleForum Post: Allegro Skill - Convert Shape to Mechanical Symbol
Hi, Anyone please tell me how to convert the shape to a mechanical symbol. Note: It must not be ShapeSymbol. Regards, SkillUser
View ArticleForum Post: How to use a custom netlist procedure (and OSSHNL-116 error)
Hello, I would like to ask some information on how to desing and use a custom netlist procedure. I have this scenario A cell called mycell_1 (of library mylib) has a schematic view. In the schematic, I...
View ArticleForum Post: How to communicate impedance control information to the PCB house...
All, Our new designs have a lot of differential pairs running around our boards and I want to communicate this clearly to the board house so they can adjust tracks to their process to maintain...
View ArticleForum Post: Existence of Layermap Purpose
Hi everyone, Is there any way to check the ".layermap" file for the existence a specific layer purpose? My goal is to check if given an input layer eg. M0 to check if the purpose "drawing" exists...
View ArticleForum Post: RE: Existence of Layermap Purpose
Hi Everyone, I figured out how to do it, so I'll provide the solution here as a reference for anyone in the future. I used the functions as follows: tfId = techGetTechFile(ddGetObj("lib_techfile"))...
View ArticleForum Post: how to specify different .dspf file for different instances of...
Hi, I'm wondering if it's possible to specify different .dspf file for different instances of the same cell for post layout sim? I know it's staightforward if there are extracted views, through...
View ArticleForum Post: Problem running autorouter from within Allegro
I cannot invoke the autorouter using Allegro PCB Designer Performance16.6 license. Do I have to use the ORCAD PCB Designer Professional license to do this? Thanks, Dan
View ArticleForum Post: RE: Problem running autorouter from within Allegro
By no means. What technique are you trying to get it to run?
View ArticleForum Post: RE: How to communicate impedance control information to the PCB...
Nets can have "impedance_rule". A trick used by many fabricators is to set a line width to something easy to pick up on, for example, set a line to 4.876 mils. Then tell them that "all 4.876 mil lines...
View ArticleForum Post: RE: How to communicate impedance control information to the PCB...
When you have custom layer stackup, fabs are not really keen on giving you these infos till you place an order. However usually there is no problem with poolable designs.
View ArticleForum Post: [SV] Constraint solver issue
hello below is a class I use for randomize some settings of a ADC controller RTL. I got the following error stop -create -name Randomize -randomize Created stop Randomize assert (...
View ArticleForum Post: RE: Extraction Tech File and LEF-Tech Map file for power grid libray
i think there was a way to capture the lef map created internally, but i don't recall the instructions. if you search COS you might find it. at least that one is easy to create with the lef and ict...
View ArticleForum Post: RE: cdf Parameter access through OA scripting
Hi Oleg, The simple answer is no. It's in the definition of the CDF, which is stored in the cell metadata property bag (data.dm). It's not stored on the instance. Andrew.
View ArticleForum Post: RE: explicit wire decalration by virtuoso verilog netlister
Off the top of my head, I don't know if this can be done - I can check. However, first I'd like to understand why you'd want this? It's not required in the Verilog language (whereas it is for...
View ArticleForum Post: RE: skill mode download?
Hi Dan, I'm fairly sure there should be someone at Cadence that can supply the emacs SKILL mode to you but it is most likely out of date in that it will not contain the newer functions or reflect any...
View ArticleForum Post: RE: Quickly schematic-viewing a gates file
SimVision has a number of layouts built in that you can specify at the command line, but sadly not a schematic-only one. You can define your own layouts though, so open sSimVision once (no design...
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