assign led2=(key2_r2&&(cnt==8'd20))?0:key2_r2?1:0;
时间: 2024-06-06 15:07:24 浏览: 10
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assign led2=(key2_r2&&(cnt==8'd20))?0:key2_r2?1:0;是什么意思
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assign add_cnt_h_ten=end_cnt_h_bit; assign end_cnt_h_ten=add_cnt_h_ten&&cnt_h_ten==2&&cnt_h_bit==cnt_flag1;
这两行代码是赋值语句,其中 assign add_cnt_h_ten=end_cnt_h_bit; 表示 add_cnt_h_ten 信号的值等于 end_cnt_h_bit 信号的值;assign end_cnt_h_ten=add_cnt_h_add_cnt_h_ten&&cnt_h_ten==2&&cnt_h_bit==cnt_flag1; 表示 end_cnt_h_ten 信号的值等于 add_cnt_h_ten 信号为高电平并且当前的十位数为 2 且位数 cnt_h_bit 等于标志位 cnt_flag1 时的值为高电平。这两行代码的作用是控制时钟计时器的状态转移。