{"id":7193,"date":"2026-08-11T11:17:14","date_gmt":"2026-08-11T03:17:14","guid":{"rendered":"https:\/\/nullthought.net\/?p=7193"},"modified":"2026-08-11T11:17:16","modified_gmt":"2026-08-11T03:17:16","slug":"vhdl%e3%80%81verilog-%e5%92%8c-systemverilog-%e6%af%94%e8%be%83","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=7193","title":{"rendered":"VHDL\u3001Verilog \u548c SystemVerilog \u6bd4\u8f83"},"content":{"rendered":"\n

VHDL\u3001Verilog \u548c SystemVerilog \u90fd\u5c5e\u4e8e\u786c\u4ef6\u63cf\u8ff0\u8bed\u8a00\uff08HDL, Hardware Description Language\uff09<\/strong>\uff0c\u4e3b\u8981\u7528\u6765\u63cf\u8ff0\u6570\u5b57\u7535\u8def\uff0c\u4f8b\u5982 FPGA\u3001ASIC \u4e2d\u7684\u5bc4\u5b58\u5668\u3001\u72b6\u6001\u673a\u3001\u6d41\u6c34\u7ebf\u3001\u63a5\u53e3\u63a7\u5236\u5668\u3001\u56fe\u50cf\u5904\u7406\u6a21\u5757\u7b49\u3002<\/p>\n\n\n\n

\u5b83\u4eec\u8868\u9762\u4e0a\u50cf\u201c\u7f16\u7a0b\u8bed\u8a00\u201d\uff0c\u4f46\u672c\u8d28\u4e0a\u4e0d\u662f\u5728\u63cf\u8ff0\u201cCPU \u6309\u987a\u5e8f\u6267\u884c\u4ec0\u4e48\u6307\u4ee4\u201d\uff0c\u800c\u662f\u5728\u63cf\u8ff0\uff1a<\/p>\n\n\n\n

\n

\u7535\u8def\u7531\u4ec0\u4e48\u7ec4\u6210\u3001\u4fe1\u53f7\u4e4b\u95f4\u662f\u4ec0\u4e48\u5173\u7cfb\u3001\u8fd9\u4e9b\u7535\u8def\u5982\u4f55\u5e76\u884c\u5de5\u4f5c\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n

\u5bf9\u4e8e FPGA \u5b9e\u65f6\u56fe\u50cf\u5904\u7406\u9879\u76ee\uff0c\u5176\u6697\u573a\/\u589e\u76ca\u6821\u6b63\u3001\u574f\u70b9\u5904\u7406\u3001\u56fe\u50cf\u62fc\u63a5\u3001\u6ee4\u6ce2\u3001JTAG \u63a7\u5236\u7b49\u6a21\u5757\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e09\u79cd\u8bed\u8a00\u5b9e\u73b0\u3002<\/p>\n\n\n\n

\n\n\n\n

1. VHDL<\/h2>\n\n\n\n

VHDL \u5168\u79f0\uff1a<\/p>\n\n\n\n

VHSIC Hardware Description Language<\/strong><\/p>\n\n\n\n

\u5176\u4e2d VHSIC \u662f\uff1a<\/p>\n\n\n\n

Very High Speed Integrated Circuit<\/strong><\/p>\n\n\n\n

VHDL \u6700\u65e9\u7531\u7f8e\u56fd\u56fd\u9632\u90e8\u63a8\u52a8\u53d1\u5c55\uff0c\u540e\u6765\u6210\u4e3a IEEE \u6807\u51c6\u3002<\/p>\n\n\n\n

\u5b83\u6700\u5927\u7684\u7279\u70b9\u662f\uff1a<\/p>\n\n\n\n

\u8bed\u6cd5\u4e25\u8c28\u3001\u7c7b\u578b\u68c0\u67e5\u4e25\u683c\u3001\u4ee3\u7801\u6bd4\u8f83\u5197\u957f\u3002<\/strong><\/p>\n\n\n\n

\u4f8b\u5982\u4e00\u4e2a\u7b80\u5355\u7684 AND \u95e8\uff1a<\/p>\n\n\n\n

library IEEE;\nuse IEEE.STD_LOGIC_1164.ALL;\n\nentity and_gate is\n    Port (\n        a : in  STD_LOGIC;\n        b : in  STD_LOGIC;\n        y : out STD_LOGIC\n    );\nend and_gate;\n\narchitecture Behavioral of and_gate is\nbegin\n    y <= a and b;\nend Behavioral;\n<\/code><\/pre>\n\n\n\n
\u8fd9\u91cc\u53ef\u4ee5\u770b\u5230\uff0cVHDL \u4f1a\u660e\u786e\u533a\u5206\uff1a<\/p>\n\n\n\n
    \n
  • entity\uff1a\u6a21\u5757\u63a5\u53e3<\/li>\n\n\n\n
  • architecture\uff1a\u6a21\u5757\u5185\u90e8\u5b9e\u73b0<\/li>\n\n\n\n
  • \u8f93\u5165\u8f93\u51fa\u65b9\u5411<\/li>\n\n\n\n
  • \u4fe1\u53f7\u7c7b\u578b<\/li>\n<\/ul>\n\n\n\n
    \u56e0\u6b64\u5b83\u6709\u4e00\u70b9\u50cf Ada\uff0c\u751a\u81f3\u6709\u4e00\u4e9b Pascal \u7684\u611f\u89c9\u3002<\/p>\n\n\n\n
    VHDL \u7684\u4f18\u70b9<\/h3>\n\n\n\n
    \u6700\u5927\u7684\u4f18\u70b9\u662f\u4e25\u8c28<\/strong>\u3002<\/p>\n\n\n\n
    \u6bd4\u5982\u4e0d\u540c\u4f4d\u5bbd\u3001\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u4e4b\u95f4\u4e0d\u80fd\u968f\u610f\u8fd0\u7b97\u3002\u8fd9\u5728\u5927\u578b FPGA\u3001\u822a\u7a7a\u822a\u5929\u3001\u519b\u5de5\u3001\u5de5\u4e1a\u63a7\u5236\u9879\u76ee\u4e2d\u53cd\u800c\u662f\u4f18\u70b9\uff0c\u56e0\u4e3a\u7f16\u8bd1\u5668\u53ef\u4ee5\u8f83\u65e9\u53d1\u73b0\u5f88\u591a\u6f5c\u5728\u9519\u8bef\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    signal a : std_logic_vector(7 downto 0);\nsignal b : unsigned(7 downto 0);\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u4e24\u4e2a\u867d\u7136\u90fd\u662f 8 bit\uff0c\u4f46\u7c7b\u578b\u4e0d\u540c\uff0c\u5f88\u591a\u64cd\u4f5c\u9700\u8981\u663e\u5f0f\u8f6c\u6362\u3002<\/p>\n\n\n\n
    \u8fd9\u79cd\u201c\u9ebb\u70e6\u201d\u5b9e\u9645\u4e0a\u63d0\u9ad8\u4e86\u5de5\u7a0b\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
    \u7f3a\u70b9<\/h3>\n\n\n\n
    \u4ee3\u7801\u76f8\u5bf9\u957f\u3002<\/p>\n\n\n\n
    \u540c\u6837\u4e00\u4e2a\u6a21\u5757\uff0cVHDL \u53ef\u80fd\u9700\u8981\u5199 30 \u884c\uff0c\u800c Verilog \u53ef\u80fd 15 \u884c\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\u76ee\u524d\u65b0\u9879\u76ee\u4e2d\uff0c\u5c24\u5176\u5546\u4e1a ASIC \u548c\u5927\u91cf FPGA \u9879\u76ee\uff0cVHDL \u7684\u5360\u6bd4\u603b\u4f53\u4f4e\u4e8e Verilog\/SystemVerilog\u3002<\/p>\n\n\n\n
    \u4e0d\u8fc7\u5728\u6b27\u6d32\u3001\u822a\u7a7a\u822a\u5929\u3001\u519b\u5de5\u4ee5\u53ca\u4e00\u4e9b\u4f20\u7edf FPGA \u56e2\u961f\u91cc\uff0cVHDL \u4ecd\u7136\u975e\u5e38\u5e38\u89c1\u3002<\/p>\n\n\n\n
    \n\n\n\n
    2. Verilog<\/h1>\n\n\n\n
    Verilog \u662f\u76ee\u524d\u6700\u7ecf\u5178\u3001\u6700\u5e38\u89c1\u7684 HDL \u4e4b\u4e00\u3002<\/p>\n\n\n\n
    \u5b83\u6700\u65e9\u7531 Gateway Design Automation \u5f00\u53d1\uff0c\u540e\u6765\u6210\u4e3a IEEE \u6807\u51c6\u3002<\/p>\n\n\n\n
    \u5982\u679c\u8bf4 VHDL \u7c7b\u4f3c\uff1a<\/p>\n\n\n\n
    \n
    Ada \/ Pascal<\/p>\n<\/blockquote>\n\n\n\n
    \u90a3\u4e48 Verilog \u7684\u98ce\u683c\u66f4\u63a5\u8fd1\uff1a<\/p>\n\n\n\n
    \n
    C \u8bed\u8a00<\/p>\n<\/blockquote>\n\n\n\n
    \u540c\u6837\u4e00\u4e2a AND \u95e8\uff1a<\/p>\n\n\n\n
    module and_gate (\n    input  wire a,\n    input  wire b,\n    output wire y\n);\n\nassign y = a & b;\n\nendmodule\n<\/code><\/pre>\n\n\n\n
    \u660e\u663e\u6bd4 VHDL \u7b80\u6d01\u3002<\/p>\n\n\n\n
    Verilog \u6700\u5927\u7684\u4f18\u52bf\u5c31\u662f\uff1a<\/p>\n\n\n\n
    \n
    \u7b80\u5355\u3001\u76f4\u89c2\u3001\u5bb9\u6613\u4e0a\u624b\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n
    \u56e0\u6b64\u5728 FPGA \u548c ASIC \u884c\u4e1a\u4e2d\u975e\u5e38\u6d41\u884c\u3002<\/p>\n\n\n\n
    \n\n\n\n
    3. Verilog \u63cf\u8ff0\u7684\u4e0d\u662f\u8f6f\u4ef6\u6d41\u7a0b<\/h2>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    assign y = a & b;\nassign z = c | d;\n<\/code><\/pre>\n\n\n\n
    \u4e0d\u8981\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n
    \u5148\u7b97 y\n\u518d\u7b97 z\n<\/code><\/pre>\n\n\n\n
    \u5b9e\u9645\u4e0a\u7efc\u5408\u4ee5\u540e\u4f1a\u53d8\u6210\u4e24\u4e2a\u72ec\u7acb\u7535\u8def\uff1a<\/p>\n\n\n\n
    a \u2500\u2510\n   AND \u2500\u2500\u2500 y\nb \u2500\u2518\n\n\nc \u2500\u2510\n   OR \u2500\u2500\u2500\u2500 z\nd \u2500\u2518\n<\/code><\/pre>\n\n\n\n
    \u5b83\u4eec\u662f\uff1a<\/p>\n\n\n\n
    \u540c\u65f6\u8fd0\u884c\u7684\u3002<\/strong><\/p>\n\n\n\n
    \u8fd9\u662f\u5b66\u4e60 FPGA \u65f6\u975e\u5e38\u91cd\u8981\u7684\u601d\u7ef4\u8f6c\u53d8\u3002<\/p>\n\n\n\n
    \u8f6f\u4ef6\u901a\u5e38\u662f\uff1a<\/p>\n\n\n\n
    \u6307\u4ee41\n\u2193\n\u6307\u4ee42\n\u2193\n\u6307\u4ee43\n<\/code><\/pre>\n\n\n\n
    FPGA HDL \u63cf\u8ff0\u7684\u662f\uff1a<\/p>\n\n\n\n
    \u7535\u8defA \u2500\u2500\u2510\n\u7535\u8defB \u2500\u2500\u253c\u2500\u2500 \u540c\u65f6\u5de5\u4f5c\n\u7535\u8defC \u2500\u2500\u2518\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    4. Verilog \u4e2d\u6700\u91cd\u8981\u7684\u4e24\u79cd\u63cf\u8ff0\u65b9\u5f0f<\/h1>\n\n\n\n
    \u4f8b\u5982\u7ec4\u5408\u903b\u8f91\uff1a<\/p>\n\n\n\n
    assign y = a & b;\n<\/code><\/pre>\n\n\n\n
    \u6216\u8005\uff1a<\/p>\n\n\n\n
    always @(*) begin\n    y = a & b;\nend\n<\/code><\/pre>\n\n\n\n
    \u800c\u65f6\u5e8f\u903b\u8f91\uff0c\u4f8b\u5982\u5bc4\u5b58\u5668\uff1a<\/p>\n\n\n\n
    always @(posedge clk) begin\n    q <= d;\nend\n<\/code><\/pre>\n\n\n\n
    \u7efc\u5408\u4ee5\u540e\u57fa\u672c\u5c31\u662f\uff1a<\/p>\n\n\n\n
              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\nD \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25ba\u2502 D   Q \u2502\u2500\u2500\u2500\u2500\u2500\u2500 Q\n          \u2502  DFF  \u2502\nCLK \u2500\u2500\u2500\u2500\u2500\u25ba\u2502 >     \u2502\n          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\uff1a<\/p>\n\n\n\n
    always @(posedge clk)\n<\/code><\/pre>\n\n\n\n
    \u57fa\u672c\u53ef\u4ee5\u7406\u89e3\u4e3a\uff1a<\/p>\n\n\n\n
    \n
    \u201c\u5728 FPGA \u91cc\u9762\u751f\u6210\u7531\u65f6\u949f\u9a71\u52a8\u7684\u65f6\u5e8f\u7535\u8def\u3002\u201d<\/p>\n<\/blockquote>\n\n\n\n
    \n\n\n\n
    5. SystemVerilog<\/h1>\n\n\n\n
    SystemVerilog \u53ef\u4ee5\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n
    \n
    Verilog \u7684\u5927\u5e45\u589e\u5f3a\u7248\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n
    \u5b9e\u9645\u4e0a\u4eca\u5929\u8fdb\u884c\u65b0\u7684 FPGA \/ ASIC \u9879\u76ee\u65f6\uff0c\u5982\u679c\u5de5\u5177\u94fe\u652f\u6301\uff0c\u901a\u5e38\u66f4\u63a8\u8350\u76f4\u63a5\u4f7f\u7528 SystemVerilog\uff0c\u800c\u4e0d\u662f\u8001\u7684 Verilog\u3002<\/p>\n\n\n\n
    \u5173\u7cfb\u5927\u81f4\u662f\uff1a<\/p>\n\n\n\n
    Verilog\n   \u2502\n   \u2502 \u5927\u5e45\u6269\u5c55\n   \u25bc\nSystemVerilog\n<\/code><\/pre>\n\n\n\n
    SystemVerilog \u4e0d\u4ec5\u589e\u52a0\u4e86\u5f88\u591a RTL \u8bbe\u8ba1\u529f\u80fd\uff0c\u8fd8\u589e\u52a0\u4e86\u4e00\u6574\u5957\u82af\u7247\u9a8c\u8bc1\u8bed\u8a00\u529f\u80fd<\/strong>\u3002<\/p>\n\n\n\n
    \u6240\u4ee5\u5b83\u5b9e\u9645\u4e0a\u540c\u65f6\u627f\u62c5\u4e24\u4e2a\u89d2\u8272\uff1a<\/p>\n\n\n\n
    SystemVerilog\n       \u2502\n       \u251c\u2500\u2500 RTL\u8bbe\u8ba1\n       \u2502\n       \u2514\u2500\u2500 \u82af\u7247\u9a8c\u8bc1\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    6. SystemVerilog \u6bd4 Verilog \u5f3a\u5728\u54ea\u91cc\uff1f<\/h1>\n\n\n\n
    \u4f8b\u5982 Verilog \u4e2d\uff1a<\/p>\n\n\n\n
    reg [7:0] data;\nwire ready;\n<\/code><\/pre>\n\n\n\n
    SystemVerilog \u5f15\u5165\u4e86\u975e\u5e38\u5b9e\u7528\u7684\uff1a<\/p>\n\n\n\n
    logic [7:0] data;\nlogic ready;\n<\/code><\/pre>\n\n\n\n
    \u5f88\u591a\u573a\u666f\u4e0b\u4e0d\u518d\u9700\u8981\u7ea0\u7ed3\uff1a<\/p>\n\n\n\n
    reg\n\u8fd8\u662f\nwire\n<\/code><\/pre>\n\n\n\n
    \u76f4\u63a5\u4f7f\u7528\uff1a<\/p>\n\n\n\n
    logic\n<\/code><\/pre>\n\n\n\n
    \u5373\u53ef\u3002<\/p>\n\n\n\n
    \n\n\n\n
    always_comb<\/code><\/h2>\n\n\n\n
    Verilog\uff1a<\/p>\n\n\n\n
    always @(*) begin\n    y = a & b;\nend\n<\/code><\/pre>\n\n\n\n
    SystemVerilog\uff1a<\/p>\n\n\n\n
    always_comb begin\n    y = a & b;\nend\n<\/code><\/pre>\n\n\n\n
    \u540e\u8005\u8bed\u4e49\u66f4\u6e05\u6670\uff1a<\/p>\n\n\n\n
    \n
    \u8fd9\u662f\u7ec4\u5408\u903b\u8f91\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \n\n\n\n
    always_ff<\/code><\/h2>\n\n\n\n
    Verilog\uff1a<\/p>\n\n\n\n
    always @(posedge clk) begin\n    q <= d;\nend\n<\/code><\/pre>\n\n\n\n
    SystemVerilog\uff1a<\/p>\n\n\n\n
    always_ff @(posedge clk) begin\n    q <= d;\nend\n<\/code><\/pre>\n\n\n\n
    \u660e\u786e\u544a\u8bc9\u5de5\u5177\uff1a<\/p>\n\n\n\n
    \n
    \u8fd9\u662f\u89e6\u53d1\u5668\u903b\u8f91\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u56e0\u6b64\u66f4\u5bb9\u6613\u53d1\u73b0\u8bbe\u8ba1\u9519\u8bef\u3002<\/p>\n\n\n\n
    \n\n\n\n
    7. SystemVerilog \u5bf9\u72b6\u6001\u673a\u7279\u522b\u53cb\u597d<\/h1>\n\n\n\n
    \u4f8b\u5982\u4f20\u7edf Verilog \u72b6\u6001\u673a\u53ef\u80fd\u5199\u6210\uff1a<\/p>\n\n\n\n
    parameter IDLE = 2'b00;\nparameter RUN  = 2'b01;\nparameter DONE = 2'b10;\n\nreg [1:0] state;\n<\/code><\/pre>\n\n\n\n
    SystemVerilog \u53ef\u4ee5\uff1a<\/p>\n\n\n\n
    typedef enum logic [1:0] {\n    IDLE,\n    RUN,\n    DONE\n} state_t;\n\nstate_t state;\n<\/code><\/pre>\n\n\n\n
    \u660e\u663e\u66f4\u63a5\u8fd1\u73b0\u4ee3\u7f16\u7a0b\u8bed\u8a00\u3002<\/p>\n\n\n\n
    \u800c FPGA \u8bbe\u8ba1\u4e2d\uff0c\u72b6\u6001\u673a\u6781\u5176\u5e38\u89c1\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n
    IDLE\n \u2193\nWAIT_TRIGGER\n \u2193\nCAPTURE\n \u2193\nPROCESS\n \u2193\nTRANSFER\n \u2193\nDONE\n<\/code><\/pre>\n\n\n\n
    X \u5149\u63a2\u6d4b\u5668\u7684\u91c7\u96c6\u63a7\u5236\u5668\u5c31\u5f88\u53ef\u80fd\u5b58\u5728\u8fd9\u6837\u7684\u72b6\u6001\u673a\u3002<\/p>\n\n\n\n
    \n\n\n\n
    8. SystemVerilog \u7684 struct<\/code><\/h1>\n\n\n\n
    SystemVerilog \u8fd8\u652f\u6301\u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\u63cf\u8ff0\u50cf\u7d20\uff1a<\/p>\n\n\n\n
    typedef struct packed {\n    logic [15:0] pixel;\n    logic        valid;\n    logic        bad_pixel;\n} pixel_t;\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e\uff1a<\/p>\n\n\n\n
    pixel_t pixel_data;\n<\/code><\/pre>\n\n\n\n
    \u76f8\u6bd4\u4f20\u7edf Verilog \u5206\u522b\u5b9a\u4e49\uff1a<\/p>\n\n\n\n
    reg [15:0] pixel;\nreg valid;\nreg bad_pixel;\n<\/code><\/pre>\n\n\n\n
    \u5927\u578b\u5de5\u7a0b\u4e2d\u7ed3\u6784\u4f1a\u6e05\u6670\u5f88\u591a\u3002<\/p>\n\n\n\n
    \n\n\n\n
    9. SystemVerilog \u7684 Interface<\/h1>\n\n\n\n
    \u8fd9\u662f SystemVerilog \u5f88\u5f3a\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n
    \u4f8b\u5982 FPGA \u6a21\u5757\u4e4b\u95f4\u53ef\u80fd\u6709\uff1a<\/p>\n\n\n\n
    data\nvalid\nready\nlast\nclk\nreset\n<\/code><\/pre>\n\n\n\n
    \u4f20\u7edf Verilog \u6bcf\u4e2a\u6a21\u5757\u90fd\u9700\u8981\u5199\uff1a<\/p>\n\n\n\n
    input [15:0] data;\ninput valid;\noutput ready;\n...\n<\/code><\/pre>\n\n\n\n
    SystemVerilog \u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\uff1a<\/p>\n\n\n\n
    interface pixel_if;\n\n    logic [15:0] data;\n    logic valid;\n    logic ready;\n\nendinterface\n<\/code><\/pre>\n\n\n\n
    \u7136\u540e\u591a\u4e2a\u6a21\u5757\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e2a interface\u3002<\/p>\n\n\n\n
    \u5bf9\u4e8e\u5927\u578b FPGA \u56fe\u50cf\u6d41\u6c34\u7ebf\uff1a<\/p>\n\n\n\n
    ADC\n \u2193\nDark Correction\n \u2193\nGain Correction\n \u2193\nBad Pixel\n \u2193\nFilter\n \u2193\nStitch\n \u2193\nDDR \/ PCIe\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u79cd\u65b9\u5f0f\u5c24\u5176\u597d\u7528\u3002<\/p>\n\n\n\n
    \n\n\n\n
    10. SystemVerilog \u8fd8\u6709\u975e\u5e38\u5f3a\u7684\u9a8c\u8bc1\u80fd\u529b<\/h1>\n\n\n\n
    SystemVerilog \u4e0d\u4ec5\u80fd\u8bbe\u8ba1 FPGA\/ASIC\uff0c\u8fd8\u53ef\u4ee5\u5199 Testbench\u3002<\/p>\n\n\n\n
    \u4f8b\u5982\uff1a<\/p>\n\n\n\n
    initial begin\n\n    a = 0;\n    b = 0;\n\n    #10;\n\n    a = 1;\n    b = 1;\n\nend\n<\/code><\/pre>\n\n\n\n
    \u8fd8\u652f\u6301\uff1a<\/p>\n\n\n\n
    class\nrandomize\nconstraint\nassertion\ncoverage\ninterface\nmailbox\n<\/code><\/pre>\n\n\n\n
    \u8fd9\u4e9b\u529f\u80fd\u5df2\u7ecf\u8fdc\u8fdc\u8d85\u51fa\u4e86\u4f20\u7edf HDL\u3002<\/p>\n\n\n\n
    \u56e0\u6b64\u73b0\u4ee3 ASIC \u9a8c\u8bc1\u4f53\u7cfb\uff1a<\/p>\n\n\n\n
    SystemVerilog\n      +\n     UVM\n<\/code><\/pre>\n\n\n\n
    \u51e0\u4e4e\u5df2\u7ecf\u6210\u4e3a\u884c\u4e1a\u4e8b\u5b9e\u6807\u51c6\u4e4b\u4e00\u3002<\/p>\n\n\n\n
    \n\n\n\n
    11. \u4e09\u8005\u5173\u7cfb<\/h1>\n\n\n\n
    \u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a\uff1a<\/p>\n\n\n\n
                     Hardware Description Language\n\n                         HDL\n                          \u2502\n             \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n             \u2502                         \u2502\n           VHDL                     Verilog\n                                       \u2502\n                                       \u2502 \u6269\u5c55\n                                       \u25bc\n                                 SystemVerilog\n<\/code><\/pre>\n\n\n\n
    SystemVerilog \u57fa\u672c\u5411\u4e0b\u517c\u5bb9 Verilog\u3002<\/p>\n\n\n\n
    \u56e0\u6b64\u5f88\u591a .v<\/code> \u6587\u4ef6\u53ef\u4ee5\u6bd4\u8f83\u5bb9\u6613\u8fc1\u79fb\u5230\uff1a<\/p>\n\n\n\n
    .sv\n<\/code><\/pre>\n\n\n\n
    SystemVerilog \u9879\u76ee\u4e2d\u3002<\/p>\n\n\n\n
    \n\n\n\n
    12. \u4e09\u8005\u5bf9\u6bd4<\/h1>\n\n\n\n
    \u7279\u6027<\/th>VHDL<\/th>Verilog<\/th>SystemVerilog<\/th><\/tr><\/thead>
    \u51fa\u73b0\u65f6\u95f4<\/td>1980\u5e74\u4ee3<\/td>1980\u5e74\u4ee3<\/td>2000\u5e74\u4ee3<\/td><\/tr>
    \u98ce\u683c<\/td>Ada\/Pascal<\/td>C<\/td>C\/C++<\/td><\/tr>
    \u4ee3\u7801\u91cf<\/td>\u8f83\u5927<\/td>\u5c0f<\/td>\u5c0f<\/td><\/tr>
    \u7c7b\u578b\u68c0\u67e5<\/td>\u5f88\u4e25\u683c<\/td>\u8f83\u5f31<\/td>\u8f83\u5f3a<\/td><\/tr>
    \u5b66\u4e60\u96be\u5ea6<\/td>\u8f83\u9ad8<\/td>\u8f83\u4f4e<\/td>\u4e2d\u7b49<\/td><\/tr>
    RTL\u8bbe\u8ba1<\/td>\u5f3a<\/td>\u5f3a<\/td>\u5f88\u5f3a<\/strong><\/td><\/tr>
    Testbench<\/td>\u53ef\u4ee5<\/td>\u53ef\u4ee5<\/td>\u975e\u5e38\u5f3a<\/strong><\/td><\/tr>
    \u9762\u5411\u5bf9\u8c61<\/td>\u5426<\/td>\u5426<\/td>\u662f<\/strong><\/td><\/tr>
    Assertion<\/td>\u6709\u9650<\/td>\u6709\u9650<\/td>\u5f3a<\/strong><\/td><\/tr>
    UVM<\/td>\u4e0d\u9002\u7528<\/td>\u4e0d\u9002\u7528<\/td>\u6807\u51c6\u8bed\u8a00<\/strong><\/td><\/tr>
    FPGA<\/td>\u5e38\u89c1<\/td>\u5f88\u5e38\u89c1<\/td>\u8d8a\u6765\u8d8a\u5e38\u89c1<\/strong><\/td><\/tr>
    ASIC<\/td>\u8f83\u5c11<\/td>\u5f88\u5e38\u89c1<\/td>\u4e3b\u6d41<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \n\n\n\n
    13. \u4eca\u5929\u5e94\u8be5\u5b66\u54ea\u4e2a\uff1f<\/h1>\n\n\n\n
    \u5982\u679c\u662f\u73b0\u5728\u5f00\u59cb FPGA \u5f00\u53d1\uff0c\u6211\u6bd4\u8f83\u5efa\u8bae\uff1a<\/p>\n\n\n\n
    \n
    \u4f18\u5148\u5b66\u4e60 SystemVerilog\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n
    \u5b66\u4e60\u987a\u5e8f\u53ef\u4ee5\u662f\uff1a<\/p>\n\n\n\n
    \u6570\u5b57\u7535\u8def\u57fa\u7840\n      \u2193\nSystemVerilog RTL\n      \u2193\n\u7ec4\u5408\u903b\u8f91\n      \u2193\n\u65f6\u5e8f\u903b\u8f91\n      \u2193\nFSM\n      \u2193\nFIFO \/ RAM\n      \u2193\n\u6d41\u6c34\u7ebf\n      \u2193\nAXI \/ Avalon\n      \u2193\nTestbench\n<\/code><\/pre>\n\n\n\n
    \u4f46\u6709\u4e00\u70b9\u503c\u5f97\u6ce8\u610f\u3002<\/p>\n\n\n\n
    \u5f88\u591a FPGA \u5382\u5546\u5b98\u65b9\u793a\u4f8b\u4ee5\u53ca\u5386\u53f2\u4ee3\u7801\u4ecd\u7136\u5927\u91cf\u4f7f\u7528\uff1a<\/p>\n\n\n\n
    Verilog\n<\/code><\/pre>\n\n\n\n
    \u6240\u4ee5\u5b9e\u9645\u4e0a\u5b66\u4e60 SystemVerilog \u65f6\uff0c\u4e5f\u5c31\u987a\u4fbf\u638c\u63e1\u4e86\u7edd\u5927\u90e8\u5206 Verilog\u3002<\/p>\n\n\n\n
    \u56e0\u6b64\u63a8\u8350\uff1a<\/p>\n\n\n\n
    SystemVerilog\n    \u2193\n\u81ea\u7136\u517c\u5bb9 Verilog \u9605\u8bfb\u80fd\u529b\n<\/code><\/pre>\n\n\n\n
    \u800c\u4e0d\u662f\uff1a<\/p>\n\n\n\n
    \u5148\u82b1\u5f88\u4e45\u5b66 Verilog\n\u518d\u91cd\u65b0\u5b66 SystemVerilog\n<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    14. \u90a3 VHDL \u8981\u4e0d\u8981\u5b66\uff1f<\/h1>\n\n\n\n
    \u5982\u679c\u4f60\u6240\u5728\u516c\u53f8\u5df2\u6709\u5927\u91cf\uff1a<\/p>\n\n\n\n
    .vhd\n<\/code><\/pre>\n\n\n\n
    \u4ee3\u7801\uff0c\u5f53\u7136\u5e94\u8be5\u5b66\u3002<\/p>\n\n\n\n
    \u5426\u5219\u5bf9\u4e8e\u4e00\u4e2a\u65b0\u542f\u52a8\u7684 FPGA \u9879\u76ee<\/strong>\uff0c\u6211\u901a\u5e38\u4e0d\u4f1a\u4f18\u5148\u63a8\u8350 VHDL\u3002<\/p>\n\n\n\n
    \u4f46\u81f3\u5c11\u5e94\u8be5\u8fbe\u5230\uff1a<\/p>\n\n\n\n
    \n
    \u80fd\u9605\u8bfb VHDL\u3002<\/p>\n<\/blockquote>\n\n\n\n
    \u56e0\u4e3a FPGA IP\u3001\u7b2c\u4e09\u65b9 IP\u3001\u8001\u9879\u76ee\u91cc\u7ecf\u5e38\u4f1a\u9047\u5230\uff1a<\/p>\n\n\n\n
    Verilog\nSystemVerilog\nVHDL\n<\/code><\/pre>\n\n\n\n
    \u6df7\u5408\u5de5\u7a0b\u3002<\/p>\n\n\n\n
    Vivado\u3001Quartus \u7b49\u5de5\u5177\u90fd\u652f\u6301\u8fd9\u79cd mixed-language design\u3002<\/p>\n\n\n\n
    \n\n\n\n
    15. \u603b\u7ed3<\/h1>\n\n\n\n
    \u53ef\u4ee5\u7528\u4e00\u53e5\u8bdd\u6982\u62ec\u4e09\u8005\uff1a<\/p>\n\n\n\n
    \n
    VHDL\uff1a\u4e25\u8c28\u7684\u4f20\u7edf\u5de5\u7a0b\u6d3e\uff1bVerilog\uff1a\u7b80\u6d01\u7ecf\u5178\u7684 HDL\uff1bSystemVerilog\uff1a\u73b0\u4ee3 Verilog + \u5f3a\u5927\u7684\u8bbe\u8ba1\u4e0e\u9a8c\u8bc1\u80fd\u529b\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n
    \u5982\u679c\u662f 2026 \u5e74\u65b0\u5efa\u4e00\u4e2a FPGA \u9879\u76ee<\/strong>\uff0c\u7279\u522b\u662f\u4f60\u8fd9\u4e2a\u6d89\u53ca\u5b9e\u65f6\u91c7\u96c6\u3001\u56fe\u50cf\u6d41\u6c34\u7ebf\u3001DDR \u548c\u9ad8\u901f\u63a5\u53e3\u7684 X \u5149\u63a2\u6d4b\u5668\u9879\u76ee\uff0c\u6211\u4f1a\u4f18\u5148\u9009\u62e9 SystemVerilog \u4f5c\u4e3a RTL \u4e3b\u8bed\u8a00<\/strong>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    VHDL\u3001Verilog \u548c SystemVerilog \u90fd\u5c5e\u4e8e\u786c\u4ef6\u63cf\u8ff0\u8bed\u8a00\uff08HDL, Hardware De […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[100,75],"class_list":["post-7193","post","type-post","status-publish","format-standard","hentry","category-tech","tag-electrical-electronic","tag-ic"],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":"NullThought","author_link":"https:\/\/nullthought.net\/?author=1"},"rttpg_comment":0,"rttpg_category":"Tech<\/a>","rttpg_excerpt":"VHDL\u3001Verilog \u548c SystemVerilog \u90fd\u5c5e\u4e8e\u786c\u4ef6\u63cf\u8ff0\u8bed\u8a00\uff08HDL, Hardware De…","_links":{"self":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts\/7193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7193"}],"version-history":[{"count":1,"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts\/7193\/revisions"}],"predecessor-version":[{"id":7194,"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts\/7193\/revisions\/7194"}],"wp:attachment":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}