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在encounter里作CTS的时候,长完clock tree, clockDesign自己作post CTS opt时遇到这个问题,哪位高手能指点一下
*** End ckSynthesis (cpu=0:22:34, real=0:22:33, mem=2795.9M) ***
<clockDesign CMD> specifyClockTree -update {AutoCTSRootPin * PostOpt YES}
<clockDesign CMD> ckECO -postCTS -useSpecFileCellsOnly -report clock_report_32/clock.postCTS.report
Redoing specifyClockTree ...
Checking spec file integrity...
**ERROR: (ENCCK-176): The design has not been routed.
**ERROR: (ENCCK-2201): ckECO is stopped by clock nets are not fully routed. Please resolve it before running ckECO
*** End ckECO (cpu=0:00:00.1, real=0:00:00.0, mem=2800.9M) ***
**clockDesign ... cpu = 0:22:40, real = 0:22:40, mem = 2800.9M **
整个design有多个clk,以下是其中一个clk的ctstch
#------------------------------------------------------------
# Clock Root : clk_ctrl/i_div2_dont/Q
# Clock Name : eclk
# Clock Period : 5.4ns
# Clock Name : eclk
# Clock Period : 5.4ns
#------------------------------------------------------------
AutoCTSRootPin clk_ctrl/eclk_BUF_1/C
Period 5.4ns
MaxDelay 1ns # sdc driven default
MinDelay 0ns # sdc driven default
MaxSkew 200ps # set_clock_uncertainty
SinkMaxTran 300ps # set_clock_transition
BufMaxTran 300ps # set_clock_transition
Buffer CKBD12 CKBD16 CKBD6 CKBD8
NoGating NO
DetailReport YES
MaxFanout 32
#SetDPinAsSync NO
#SetIoPinAsSync NO
#SetASyncSRPinAsSync NO
#SetTriStEnPinAsSync NO
#SetBBoxPinAsSync NO
RouteClkNet YES
PostOpt YES
OptAddBuffer YES
RouteType specialRoute
LeafRouteType regularRoute
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