Modelsim 仿真的时候出现下面的问题不知道怎么回事，麻烦大家帮忙看看，谢谢。

2019-07-15 22:44发布

2076 6

模块例化没有问题，出现下面的错误。# ** Error: (vopt-7052) ./tb_cnt.v(54): Failed to find 'rst_n' in hierarchical name '/rst_n'.
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# ** Error: (vopt-7052) ./tb_cnt.v(54): Failed to find 'rst_n' in hierarchical name '/rst_n/$$'.
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# ** Error: (vopt-7052) ./tb_cnt.v(55): Failed to find 'sclk' in hierarchical name '/sclk'.
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# ** Error: (vopt-7052) ./tb_cnt.v(55): Failed to find 'sclk' in hierarchical name '/sclk/$$'.
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# ** Error: (vopt-7052) ./tb_cnt.v(56): Failed to find 'A' in hierarchical name '/A'.
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# ** Error: (vopt-7052) ./tb_cnt.v(56): Failed to find 'A' in hierarchical name '/A/$$'.
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# ** Error: (vopt-7052) ./tb_cnt.v(57): Failed to find 'B' in hierarchical name '/B'.
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# ** Error: (vopt-7052) ./tb_cnt.v(57): Failed to find 'B' in hierarchical name '/B/$$'.
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# ** Error: (vopt-7052) ./tb_cnt.v(58): Failed to find 'C' in hierarchical name '/C'.
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# ** Error: (vopt-7052) ./tb_cnt.v(58): Failed to find 'C' in hierarchical name '/C/$$'.
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# ** Error: (vopt-7052) ./tb_cnt.v(59): Failed to find 'POSI' in hierarchical name '/POSI'.
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# ** Error: (vopt-7052) ./tb_cnt.v(59): Failed to find 'POSI' in hierarchical name '/POSI/$$'.
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# ** Error: (vopt-7052) ./tb_cnt.v(60): Failed to find 'pulse_4x' in hierarchical name '/pulse_4x'.
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# ** Error: (vopt-7052) ./tb_cnt.v(60): Failed to find 'pulse_4x' in hierarchical name '/pulse_4x/$$'.
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