zhao第3章硬件描è

Zhao第3章硬件描è

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10/11/11 1 第第第 第第第第第第 VHDL 第第
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2 10/11/11 第第第第 3.1  第第第第第第第第 3.2 VHDL 第第第第第第 3.3 VHDL 第第第第 3.4 VHDL 第第第第 3.5  第第第第第 VHDL 第第 3.6  第第第第第 VHDL 第第 第第
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3 10/11/11 3.1  第第第第第第第第 第第第第第第第第第第第第第第第第 EDA 第第第第第第第第 第第第第第第第第第第第第第第第第第第第 第第第第第第第第第第第第第第第第第第第第 第第第第第第第第第第第第第第第第第第第第第第第 第第第第第第第第第第第第第第第第第 第第第第第第第第第第第第第第第第第第第第第第
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4 10/11/11 3.1  第第第第第第第第 第第第第第第第第第第第第第第 VHDL Verilog HDL Very High Speed Integrated Circuit Hardware Description Language 第第第第第第第第第第第第第 Verilog Hardware Description Language Verilog 第第第第第第 VHDL 第第第第第第第第第第第第第第第第第第第第第第第第第第第 VHDL 第第第第第第第第第第第第第第第第第第第第 第第第第第第第第第第第第第第第第第第第第第
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5 10/11/11 3.1  第第第第第第第第 VHDL 第第第 IEEE 第第 VHDL IEEE 1076-1987 VHDL IEEE 1076-1993 第第 1980 第第第第第第第第第第第第第第第第第第第第第第第第第第第第第第第 VHDL 第第第 1987 第第第 IEEE(Institute of Electrical and Electronics Engineers 第第第第第第第第第第第 ) VHDL 第第第第第第 第第 IEEE1076-1987 1993 第第第第第第第 IEEE 第第第第第第第 IEEE1076-1993 第第第第第第第第第第第 第第
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6 10/11/11 第第第第 3.1  第第第第第第第第 3.2 VHDL 3.2 VHDL 第第第第第第 第第第第第第 3.4 VHDL 第第第第 3.3 VHDL 第第第第 3.5  第第第第第 VHDL 第第 3.6  第第第第第 VHDL 第第
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7 10/11/11 3.2 VHDL 第第第第第第 第第第第第第第第 第第 Library 第第第第 Package 第第第第第 Entity Declaration 第第第第 Archiecture 第第第 Configuration 第第第第 第第第 第第第第第第 .vhd
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8 10/11/11 3.2 VHDL 第第第第第第 第第 3-1 2 1 第第第第第第 VHDL 第第第第 d 0 d 1 sel f temp3 temp1 temp2 第第第 2 1 第第第第第 Sel=0 第第 f=d 0 Sel=1 第第 f=d 1
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9 10/11/11 1. -- 2 to 1 mux VHDL 2. LIBRARY IEEE; 3. USE IEEE.STD_LOGIC_1164.ALL; 4. ENTITY mux IS 5. PORT (d0,d1,sel: IN STD_LOGIC; 6. f: OUT STD_LOGIC); 7. END mux; 第第第 第第第第 VHDL 第第第第 第第 d0 d1 sel f mux 3.2 VHDL 第第第第第第
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10 10/11/11 8. ARCHITECTURE structure OF mux IS 9. SIGNAL temp: STD_LOGIC; -- 第第第第 10. BEGIN 11. p0:PROCESS(d0,d1,sel) -- 第第 12. VARIABLE temp1,temp2,temp3: STD_LOGIC; 13. BEGIN -- 第第第第第第第第 14. temp1:=d0 AND(NOT sel); -- 第第第第第第第第 15. temp2:=d1 AND sel; 16. temp3:=temp1 OR temp2; 17. temp<=temp3; 18. f<=temp; 19. END PROCESS p0; -- 第第第第 20. END structure; -- 第第第第第 第第第 3.2 VHDL 第第第第第第
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11 10/11/11 \p0:temp1
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