VHDL ?? (4) - PowerPoint PPT Presentation

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VHDL ?? (4)

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Title: VHDL ?? (4)


1
VHDL ?? (4)

2
??VHDL?????(Encoder)
3
??VHDL?????(Encoder)
  • ??? ????????????????????, ?????????
  • O3 D9 D8
  • O2 D7 D6 D5 D4
  • O1 D7 D6 D3 D2
  • O0 D1 D3 D5 D7 D9

4
??VHDL?????(Encoder)
5
??VHDL?????(Encoder)
  • ??? ??process??if then??,?????????????,?????????,
    ?????

6
(No Transcript)
7
??VHDL?????(decoder)
8
(No Transcript)
9
??VHDL???????????
10
(No Transcript)
11
??VHDL?????
  • ?S???0???,??I(0)?????????
  • ?S???1???,??I(1)?????????
  • ?S???2???,??I(2)?????????
  • ?S???3???,??I(3)?????????
  • ?S???4???,??I(4)?????????
  • ?S???5???,??I(5)?????????
  • ?S???6???,??I(6)?????????
  • ?S???7???,??I(7)?????????

12
(No Transcript)
13
(No Transcript)
14
???????
  • ???????
  • ???????, ?????????????,??????????????,??????
  • ???????
  • ??????????????

15
??VHDL?????????
  • ??1 ????BIT??????FA????????(Component)?
  • ??2 ?????(Architecture)?????FA,??FA??????????????
    ??FA??,?PORT?????????
  • ??3 ??PORT MAP????????

16
COMPONENT?????
  • ??????COMPONENT ?PORT MAP?????
  • COMPONENT?????
  • component lt????gt
  • generic (??)
  • port ( ??????????????)
  • end component

17
COMPONENT?????
  • ?????????????????(PORT MAP)?????,?
  •  lt?????????? ????gt
  • port map (lt????????????gt)

18
??VHDL?????(Full Adder)
19
??? Component
4?????
20
??VHDL????????
21
????????????
  • ???????????(Scaleable Designs),???????????????????
    ???,????????????
  • (1) ????????(Vector)???
  • (2) ??VHDL???Generic?????????
  • (3) ??VHDL?Generate

22
????????????
  • (1)????????(Vector)??
  • ????????

23
????????????
  • ???????

???????MAXplus II?????
24
????????????
  • (2)??VHDL???Generic?????

25
????????????
  • (3)??VHDL???Generate?????
  • ?????

26
????????????
  • ?????
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