cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 
abhinipun
Observer
Observer
1,658 Views
Registered: ‎07-23-2017

error ngdBuild 809

Jump to solution

Hello all,

I am getting this error 

ERROR:NgdBuild:809 - output pad net 'data_p<9>' has an illegal load:
ERROR:NgdBuild:809 - output pad net 'data_n<9>' has an illegal load:

can anyone please tell me the way out of this error.

I am using OBUFDS buffer.

Thanks in advance 

Nipun Sharma.

0 Kudos
Reply
1 Solution

Accepted Solutions
syedz
Moderator
Moderator
1,532 Views
Registered: ‎01-16-2013

@abhinipun

 

Sent you a private message. Please check and respond back.

 

--Syed

---------------------------------------------------------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.
Give Kudos to a post which you think is helpful and reply oriented.

Did you check our new quick reference timing closure guide (UG1292)?
---------------------------------------------------------------------------------------------

View solution in original post

0 Kudos
Reply
8 Replies
syedz
Moderator
Moderator
1,650 Views
Registered: ‎01-16-2013

@abhinipun,

 

Check this link: 

https://forums.xilinx.com/t5/General-Technical-Discussion/regarding-error-NgdBuild-809-output-pad-net-flash-rb-sig-has-an/td-p/506901

 

--Syed

---------------------------------------------------------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.
Give Kudos to a post which you think is helpful and reply oriented.

Did you check our new quick reference timing closure guide (UG1292)?
---------------------------------------------------------------------------------------------
0 Kudos
Reply
abhinipun
Observer
Observer
1,599 Views
Registered: ‎07-23-2017

hi @syedz,

thank you for replying first of all.

I tried everything in that document but it didn't solve my problem.

Can you please suggest anything else??

thanks again 

0 Kudos
Reply
graces
Moderator
Moderator
1,579 Views
Registered: ‎07-16-2008

What is your netlist like? Are these two nets connected to an OBUFDS and directly to the top level port?

-------------------------------------------------------------------------
Don't forget to reply, kudo, and accept as solution.
-------------------------------------------------------------------------
0 Kudos
Reply
syedz
Moderator
Moderator
1,534 Views
Registered: ‎01-16-2013

@abhinipun,

 

Can you provide any update on this thread? Let us know if the issue still exists. 

 

--Syed

---------------------------------------------------------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.
Give Kudos to a post which you think is helpful and reply oriented.

Did you check our new quick reference timing closure guide (UG1292)?
---------------------------------------------------------------------------------------------
0 Kudos
Reply
abhinipun
Observer
Observer
1,513 Views
Registered: ‎07-23-2017
yes these are directly connected to the top level port
0 Kudos
Reply
syedz
Moderator
Moderator
1,508 Views
Registered: ‎01-16-2013

@abhinipun,

 

Can you share the ISE project to debug the issue? 

 

--Syed

---------------------------------------------------------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.
Give Kudos to a post which you think is helpful and reply oriented.

Did you check our new quick reference timing closure guide (UG1292)?
---------------------------------------------------------------------------------------------
0 Kudos
Reply
abhinipun
Observer
Observer
1,474 Views
Registered: ‎07-23-2017
@syedz ok
please tell me your email I.D.
0 Kudos
Reply
syedz
Moderator
Moderator
1,533 Views
Registered: ‎01-16-2013

@abhinipun

 

Sent you a private message. Please check and respond back.

 

--Syed

---------------------------------------------------------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.
Give Kudos to a post which you think is helpful and reply oriented.

Did you check our new quick reference timing closure guide (UG1292)?
---------------------------------------------------------------------------------------------

View solution in original post

0 Kudos
Reply