VHDL????

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VHDL????

• ??4_10???
• ?????
• ??B09322001

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??

• ???BCD?????????LED??09?????

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???
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• ?I(3,)I(2),I(1),I(0)??? 0 0 0 0 ,
  ???O(0)O(9)? 1000000000
• ?I(3,)I(2),I(1),I(0)??? 0 0 0 1 ,
  ???O(0)O(9)? 0100000000
• ?I(3,)I(2),I(1),I(0)??? 0 0 1 0 ,
  ???O(0)O(9)? 0010000000
• ?I(3,)I(2),I(1),I(0)??? 0 0 1 1 ,
  ???O(0)O(9)? 0001000000
• ?I(3,)I(2),I(1),I(0)??? 0 1 0 0 ,
  ???O(0)O(9)? 0000100000
• ?I(3,)I(2),I(1),I(0)??? 0 1 0 1 ,
  ???O(0)O(9)? 0000010000
• ?I(3,)I(2),I(1),I(0)??? 0 1 1 0 ,
  ???O(0)O(9)? 0000001000
• ?I(3,)I(2),I(1),I(0)??? 0 1 1 1 ,
  ???O(0)O(9)? 0000000100
• ?I(3,)I(2),I(1),I(0)??? 1 0 0 0 ,
  ???O(0)O(9)? 0000000010
• ?I(3,)I(2),I(1),I(0)??? 1 0 0 1 ,
  ???O(0)O(9)? 0000000001

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??VHDL???

• Library ieee -- ??ieee???
• use ieee.std_logic_1164.all -- ??ieee??????
• entity Decoder4_10 is -- ??IC??
• port(
• I in std_logic_vector(3 downto 0)
• O out
  std_logic_vector(9 downto 0))
• End
• architecture main of Decoder4_10 is -- ??????
• begin
• process(I) -- ????I
• begin
• if I"0000" then Olt"0000000001"
• elsif I"0001" then Olt"0000000010"
• elsif I"0010" then Olt"0000000100"
• elsif I"0011" then Olt"0000001000"
• elsif I"0100" then Olt"0000010000"
• elsif I"0101" then Olt"0000100000"
• elsif I"0110" then Olt"0001000000"
• elsif I"0111" then Olt"0010000000"

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LATTICE??
? ?? ??? Lattice Semiconductor ????
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????Project
????
??VHDL??
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1.????????(Device)
2.?ispLSI2032E
3.OK???
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1.???????Source
3.OK
2.??VHDL Module??
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1.????Decoder4_10
4.OK
2.????
3.????
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???????
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???????????
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????
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???? ???????
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1.??Download Cable
2.????????????
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Synplify???
???Project
??Project
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? NEW HDL File
????????
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1.????
2.????
3.??
4.OK
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?????
???