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2?????1è?-????????????è'1??????????1'???????????????????????????è????1è?-?????o?????????
3?????1è?-???????-|???????o???????è'1??¨è???°±?????o?????? |
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a??è?1è?2è?1???
a?????????-|??????è'1??¨è???·????
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a?????è??è????????
10?1'????????'????o?FPGA??°?-????è·?è??è?????é??é??DSPè????????????????????é??é??PCB???Layoutè??è?????éa?é???????°??????
?2?é??Allegro cadence???candence SPECCTRAQuest?-??????·?????'??§??????????2?é??é??é??PCB
SI?????????Altium Designer??????PADS?·???· ????????????????o??¤???aé??é??DSP???FPGA?????????é??é???o|é?1??????
a?????é??è????????
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cadence???candence SPECCTRAQuest?-??????·?????'??§??????????2?é??é??é??PCB SI???????·???·??????PADS,Altium
Designer?-?PCBè??è???·???·???
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1. ?????????è·??????????
1.1. ?????????è·???????????????????????-?éa¤
1.2. ??1??????????????????
1.3. ??1?????¨????????????
1.4. ?????????è·??????????
1.5. ???è·????????????????????????3????·§
1.6. ????????????
1.7. ???è??é?1?????????é??
1.8. ?????????????????????è?¨??????
1.9. ?????????è????o????§????è?¨?????????
2. ??????????????¨????o???????
2.1 ???????????¨???
2.2 ?o???????è????o???è?¨
3. ???è·???????????????????????????1?3?
3.1 ?????¨???????????·è??è?????è·?????????????????????????
3.2 ?????¨??????è??è?????è·?????????????????????????
3.3 ?????¨è?a???è?????????±???????è·?è??è????1?3?????????????
3.4 ?????¨è?a???è?????????±???????è·?è??è????1?3?????????????
3.5 ?±????è??è?????è·??????1??1
3.6 ??¨???è·???-????3¨?????????????????3?????°????????????
3.7 ?????¨???????·???·?????¨???è·???-????3¨è????????è????o?????·
|
????o?é?????-PCB???è??è?? |
4. PCBè??è??
4.1 ?????opcb??????
4.2 pcbè??è????????
4.3 ?????¨?????¨altium designer??-???éa?è??
4.4 ?????????????°?è??
4.5 è§???????è·????????????°è?????
4.6 è??????·?????±?
4.7 è??????????????????o?é??é??
4.8 è??????·?????±?é?????é??è?2???????¤o
4.9 è??????3???????????????°
4.10 è???????????è?¨
5. ??????????±????????o?
5.1 ?????¨????±?
5.2 è?a??¨????±?
5.3 ????o|??????
5.4 ?????'é??è§?
5.5 pcb????o?
6. pcb???è????o
6.1 pcb???è?¨è????o
6.2 ?????ogerber??????
6.3 ?????oé???-???????
6.4 ??¨??·???pcb????·???????????o¤?????????
6.5 pcb????????????????o¤??????é??
6.6 ??oè??pdf?????? |
??????é?????-???????????1??????è·????è?????é???o§è??è????? |
7. ??¤?3?????±?è??
7.1 ??¤?3???¨???
7.2 ???è·??????¤?3??????1
7.3 é???????????
7.4 ?????????é??????????????
7.5 è°????é?????
7.6 ?????1é????????è|???1
7.7 pcb???????????1????o???¨
7.8 ??¤?3????è·????è??è??
7.9 ?±?è??
7.9.1?±?è???????????
7.9.2?±?è?????è§????
7.9.3è???¤??-?????±?è??
8. ????o??????'??§è??è??
8.1????o???a??°??????
8.1.1??a??°é??é???????????
8.1.2????-??????3??a??°
8.2???è·????è?|
8.2.1???è?|?????1???é???????????
8.2.2?????1é?????
8.3?????1?????????é?????
8.4?????1??¨è??è????-????3¨????o?é?1
8.5?????1?????????
8.6???è·?è??è??
8.6.1?°????è·?è??è??173
8.6.2?°????ssn174
9. ?????·?????'??§??????
9.1?????·?????'??§é??é??
9.1.1??????sié??é??
9.1.2si?o§??????????'?
9.1.3????°??°?è????-???
9.2si??????
9.2.1è??è??????¨???-???si??????
9.2.2si????????????
9.3???è·?è??è????-???sié??é??
9.3.1?????????é?'???si?????3?3?
9.3.2???è???o?????o????????°??????2??°
9.3.3????o?/??°??a??°
9.4siè§???3??a???
9.4.1é???|?
9.4.2é???????1é??
9.4.3???????±?????????2
9.4.4?????·????o?
9.4.5??2??°
9.4.6????o?é??è?|
9.5?????·?????'??§?°??????????
9.5.1??2??°?°????
9.5.2????°?è?¨é?????é?·
9.5.3????????-?????·è'¨é??é??é??????°????
9.5.4????°????????12??°
10. ????o?é?????pcbè??è????????????????1
10.1??????
10.1.1???é????????
10.1.2?°?é???????¨??????
10.2é???|?????±?è??
10.2.1??¨???????±?
10.2.2é???|?
10.2.3?±?è??
10.3??¤?3?
10.3.1????o??????¤?3?
10.3.2?o?è·??????¤?3?
10.4?????°
10.4.1?°±è???????°
10.4.2?¤§é???§??????°
10.4.3??°?13é???????????
10.4.4?°?é???????°
10.4.5?????°?o??3¨??????é??é??
10.5????o?
10.5.1é?????
10.5.2è??è§?
10.5.3?????|?o?????o?
10.5.4?????|?o?è?|???
10.5.5?????|?o?????????¨
10.5.6??|????o?????o?
10.5.7?????·?o??¤????
10.5.8??????è??è??è??è??
10.6?°?é??è??è????????
10.6.1?3??????????
10.6.2????o?????????????è??è??
10.6.3pcb??????????12??°è??è?? |
??????é?????-FPGAè??è???????? |
11. FPGAè??è????????
11.1 ?????oFPGAé?1???
11.1.1 ??????Fies???é???????-?????oFPGAé?1???
11.1.2 ??????é?????Home?????-?????oFPGAé?1???
11.1.3 ??????è???????-?????oFPGAé?1???
11.2 VHDLè?-è¨?è??è???????????è·???????
11.2.1 ??oé?1????·????VHDL??????
11.2.2 ???è??VHDL??????
11.2.3 ??1???VHDL???????????o?????????????????|??·
11.2.4 ??o??°?????o????????????????????????
11.2.5 ??oé?1????·???????????????????
11.2.6 ??°?????o?????????????????1?3?
11.3 FPGAé?1???è??è????????
11.3.1 ?????oé?1???
11.3.2 ??oé?1????·?????·2?????????
11.3.3 BCDè????°??¨é?1??????????????1
11.3.4 ?????oé?1??????VHDL???????o?
11.3.5 ???è???o???????
11.3.6 ?????oé?1??????????o?
11.3.7 ???è??é?1????????????
11.3.8 ??1???VHDL?????o????o???|??·
11.3.9 ??????????o????????o??????????????-?
11.4 ?????oVHDL???è???13??°
11.11.1 ?????oé?1??????VHDL?¨??o?
11.11.2 ?????oVHDL???è???13??°
11.5 è??è??é?1?????????
11.5.1 ???????????°è?????
11.5.2 ??????????§????
11.5.3è???????-??1
11.5.4 è??è????????
12. FPGA??????????o?è??è????????
12.1 ??????é?1???
12.2 ?????o?o|?????????
12.2.1 ??oé?1????·?????o|?????????
12.2.2 é?????FPGAè?????
12.2.3 ?·???????????o|???
12.2.4 ?·?????????·?o|???
12.3 ?·???????è??é?????
12.4 é?1???????????????
12.5 ???è???????????
12.5.1 ?????¨LiveDesignè??è????????
12.5.2 è???????????è?????
12.5.3 ????????1???????·???·?????????
12.5.4 ???è??é?1???è???¨????Compile???
12.5.5 é?1?????????è???¨????Synthesize???
12.6 ????±?????o?è???¨????Build???
12.6.1 è?????è??è?????Translate Design???
12.6.2 ????°????Map Design Tb FPGA???
12.6.3 ????±????????o????Place and Route???
12.6.4 ????o??????????Timing Analysis???
12.6.5 ?????oBit?????????Make Bit File???
12.7 ???è??Bit??????
13. ??????????3????è??è??
13.1 ??????????3??????????
13.1.1 ??????????3???????????1?
13.1.2 Altium Designer??????????3????è??è????????
13.1.3 Altium Designer??????????3????è??è???-?éa¤
13.1.4 Altium Designer??????????3????è??è????o??????è??
13.2 ?????o?????a??°???FPGAé?1???
13.3 ???????????????
13.3.1 ????'???????????·???????????o?
13.3.2 ????????????
13.3.3 ??????????o????????o????????o?è???????¨
13.3.4 ??????????o???????
13.3.5 ??????è?a??¨???è??
13.3.6 ????????????ERC??????????¤o??|
13.4 ?????o?????????è?????é?1???
13.11.1 ?????o?????????è?????é?1???
13.11.2 ??????cè?-è¨??¨??o?
13.5 è??????????????è?????é?1???é??é?1?????°
13.6 è?????é?1???é?'?????3è???±???§
13.6.1 è??????¤??????¨?±???§
13.6.2 ??o???é?1?????3è??????3?
13.7 ??oé?1????·????é?????
13.8 ???è??é?1????o§??????????????????
13.9 ???è??éa?è??è??è?? |
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???è????????è??è?????è|??????1???:
1.???è?????è????1????????1è?-???
2.???????o???o?????????
3.???è???????????è??è??
4.???è??PCB????±??????????é???????§?????????
5.???è??PCB????±???????????o?è??è??
6.???è??EMCè??è??
7.???è??PCBè??è???????? |