how to build a blank zone

[shenghuo]

i have embbed a symbol of black box module in top_level,but when synthesized always error happened.

so i want to ask if black box module can be synthesized?
thanks for ur helps

 

[haytham]

could you be more clear !!

 

[sheik_vb]

Hi,
Black zone code means a testbench. testbench may not be a synthesis, that depends on u'r operators. please check what ever used in testbench it is synthesysable or not.