错误如下8 n# j& s0 g+ K8 R: H! c+ h; ~1 E- P
ERRORack:679 - Unable to obey design constraints (LOC=CLB_R38C1.S0) which4 d5 ^4 n8 _, U P# d, P+ r
require the combination of the following symbols into a single SLICE 1 Y. T: w8 y! d: p& L2 h component: " M7 g& S5 F2 Z: Q& {, K5 R* t5 ~ FLOP symbol "Chain[37].uChain/Node[0].uNode0/uFdce" (Output Signal = 9 s1 } u' Y0 S% V& m2 b' s+ H Chain[37].uChain/wOutA0<0>) . m& A$ F$ `6 A! F" D) G: \& |9 |5 C! f FLOP symbol "Chain[37].uChain/Node[0].uNode1/uFdce" (Output Signal =: L% t' E( O3 t+ d6 A, D
Chain[37].uChain/wOutA1<0>) ; o% p3 x* x- w& C1 [* A The set/reset signal Reset_IBUF_1 of register 2 k i- E5 V9 G* L Chain[37].uChain/Node[0].uNode1/uFdce doesn't match the existing usage of the : Z: \& j! D% L1 ^, v8 W SR MUX. The signal Reset_IBUF_2 already uses SR. Please correct the design 9 i- k$ u6 T9 g E7 K: e% C constraints accordingly. ; m: p2 ?( \4 x请大侠帮忙
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发表于 2012-6-8 17:35
ack:679 - Unable to obey design constraints (LOC=CLB_R38C1.S0) which4 d5 ^4 n8 _, U P# d, P+ r
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