Hello, I'm having problems with XIlinx ISE 9.1. My design works fine on behavioral simulation but when I want to implement i, I get an error in bitgen stage.
I get a warning message in PAR stage: "WARNING:Par:289 - The signal GSS/emu_gss/emul_sm/B_haz has no driver. PAR will not attempt to route this signal.
The error message is: "ERROR:PhysDesignRules:10 - The network is completely unrouted."
They seem to be related. How can I avoid PAR to eliminate the signal B_haz?. Everything looks fine in the simulation (every line has a defined value), what can be wrong?.
Thanks, Daniel.