miskod
Newbie level 4
Hello All,
I got really frustrated. I just need to synthesize very small design. But unfortunately I have just library with powered gates. I don't need sophisticated power management. I just need to have properly connected power nets. By normal synthesis I got design with floating power nets.
I use example from synopsys help:
create_power_domain PD1 -elements INST_1
create_supply_net A_VDD -domain PD1
create_supply_net A_VSS -domain PD1
set_domain_supply_net PD1 -primary_power_net A_VDD -primary_ground_net A_VSS
Last command says:
Error: Primary supply of power domain 'PD1' cannot be set to a domain-dependent supply net when supply set handles are enabled. (UPF-541)
What is wrong in official synopsys example?
I got really frustrated. I just need to synthesize very small design. But unfortunately I have just library with powered gates. I don't need sophisticated power management. I just need to have properly connected power nets. By normal synthesis I got design with floating power nets.
I use example from synopsys help:
create_power_domain PD1 -elements INST_1
create_supply_net A_VDD -domain PD1
create_supply_net A_VSS -domain PD1
set_domain_supply_net PD1 -primary_power_net A_VDD -primary_ground_net A_VSS
Last command says:
Error: Primary supply of power domain 'PD1' cannot be set to a domain-dependent supply net when supply set handles are enabled. (UPF-541)
What is wrong in official synopsys example?