verilog中的赋值运算符<=具体是什么意思 在verilog hdl中&是什么运算符
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“=”为阻塞赋值，即当该语句结束时，下一个语句才开始执行，属于串行执行。“<=”为非阻塞赋值，即该语句和整个语句块是同时执行的，属于并行执行。
说的简单点，<=就会产生一个寄存器
=就是直接连上
在Verilog中有两种类型的赋值语句：阻塞赋值语句（“=”）和非阻塞赋值语句（“<=”）
阻塞：在本语句中“右式计算”和“左式更新”完全完成之后，才开始执行下一条语句；
非阻塞：当前语句的执行不会阻塞下一语句的执行。
在Verilog中有两种类型的赋值语句：阻塞赋值语句（“=”）和非阻塞赋值语句（“<=”）
阻塞：在本语句中“右式计算”和“左式更新”完全完成之后，才开始执行下一条语句；
非阻塞：当前语句的执行不会阻塞下一语句的执行。
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绛旓細鈥<=鈥濅笌鈥=鈥濋兘鏄祴鍊硷紝鍓嶈呮槸闈為樆濉炶祴鍊硷紝鍚庤呮槸闃诲璧嬪銆傚畠浠殑鍖哄埆涓嶄粎鍦ㄤ簬浣垮墠浠夸笌鍚庝豢缁撴灉涓鑷达紝鏇村奖鍝嶅埌缁煎悎鏃剁殑纭欢鏄犲皠銆
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绛旓細=锛璧嬪鎿嶄綔 <=:鏃犻樆濉炶祴鍊 ==锛氱瓑浜 ===锛氱浉鍚 锛=锛氫笉绛変簬 锛==锛氫笉鐩稿悓 <<锛氬乏绉 >>:鍙崇Щ { 锛 锛 锛 }锛氭嫾鎺ョ鍙 {{}}锛氬鍒 锛氭骞 锛燂細 锛氭潯浠堕敊鍋氱 +锛氬姞 -锛氬噺 :涔 /锛氶櫎 锛氬彇妯°傛ā杩愮畻涓紝鍙栫涓涓暟鐨勭鍙枫4.鍏抽敭瀛 module :妯″潡 input...
绛旓細<=鍦ㄤ笉鍚鐨鍦版柟鏈変笉鍚岀殑鎰忔,杩欓噷鏄潪闃诲璧嬪,涓鑸敤鍦ㄦ椂搴忛昏緫閲,鎰忔濇槸鍦ㄥ悓涓杩涚▼鎴栧潡璇彞閲屾墍鏈夌殑闈為樆濉炶祴鍊艰鍙ュ悓鏃惰繘琛岀殑,=鏄樆濉炶祴鍊艰鍙,瑕佺瓑杩欏彞鎵ц瀹屾墠鑳借繘琛屼笅涓鍙ョ殑鎿嶄綔. <=鍦ㄨ繘琛岄昏緫杩愮畻鐨勬椂鍊欎篃浣滀负閫昏緫杩愮畻绗
绛旓細" ^ "琛ㄧず涓や釜鎿嶄綔鏁拌繘琛屽紓鎴栨搷浣溿俤ata_temp[3]鍜宒ata_temp[0]寮傛垨銆傜劧鍚巤 , }杩欑澶ф嫭鍙锋槸浣嶆嫾鎺杩愮畻绗,date_temp鐢眃ata_temp[2:0] 鍜 寮傛垨鍚鐨鏁 鎷兼帴寰楀埌銆<=鏄潪闃诲璧嬪
绛旓細缁嗚妭閮ㄥ垎鍜屼綘鐨瀹屾暣浠ｇ爜鏈夊叧 鍗曠湅锛熺殑璇濓紝涓句緥濡備笅 assign x = a 锛 b : c; 鎰忔濇槸濡傛灉a琛ㄨ揪寮忎负鐪燂紝鍒欐妸b璧嬪缁檟锛屽惁鍒欐妸c璧嬪肩粰x銆傝瑙佲滀笁鐩杩愮畻绗鈥
