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at the power rail generation step, I got this, after the synthesize_fp_rail command,
please help:
synthesize_fp_rail -nets {VDD VSS} -voltage_supply 1 -synthesize_power_plan -power_budget 80
Warning: No power/ground pads are specified and no virtual pads are defined. (PNA-138)
Number of pad instances: 0
Error: All the P/G pads do not have power ports, or all the power ports are not connected to power or ground net logically. (PNA-006)
Creating PNS Replay file ./pna_output/pns_replay.tcl
Power network synthesis failed.
Error: No synthesized power network. (PNA-067) |
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发表于 2017-1-17 07:24:05
