Error (15629): Atom "comb~0" is dependent on unconnected input ports

Description

You may see this error when instantiating an Altera_PLL_RECONFIG megafunction in your Qsys system. 

Resolution

Change the following settings in the .qsf for your project:

• set_global_assignment -name SYNTH_TIMING_DRIVEN_SYNTHESIS OFF
• set_global_assignment -name ADV_NETLIST_OPT_SYNTH_WYSIWYG_REMAP OFF
• set_global_assignment -name PRE_MAPPING_RESYNTHESIS OFF

Related Articles

• Error (15629): Atom comb~6 is dependent on unconnected input ports
• Error ID 15629: Atom lcell_inst is dependent on unconnected input ports
• Why are the fPLL C counters not updated correctly when dynamically reconfiguring an Altera_PLL using the Altera_PLL_Reconfig IP?