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請問我利用DE1光碟的DE1_SD_Card_Audio範例
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並利用NIOS II IDE執行MemoryTest
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( W4 ]" f" g. {( u p可以成功執行SDRAM測試9 F/ r* E7 L1 X5 \' q7 e' r/ @
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3 y3 A. a% e) a但我用Quartus 7.0 的SOPC Builder重新Build後
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( Q( e2 H6 J; e+ M2 G5 W/ r再Quartus II Compiler重作同樣實驗
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7 Y# L5 ]( k% Q8 u! Q$ R8 N卻會出現下列錯誤:: o" ]9 }: ?( }5 N
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Using cable "USB-Blaster [USB-0]", device 1, instance 0x00
# z9 Y! u( H7 P" a. h6 _Pausing target processor: not responding.6 k m: ? P8 C2 h
Resetting and trying again: OK
" t0 I p4 S9 M/ W5 R) Q2 L& fInitializing CPU cache (if present)' j$ g& ` f& n( a
OK
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# [2 r G2 S6 U0 c {3 c% pDownloading 00800020 ( 0%)2 [% C6 s1 W( [3 O& g, U( c% g. \; f
Downloading 00810000 (67%)+ |7 k9 R% r, v9 C; p) y
Downloaded 95KB in 1.1s (86.3KB/s)( K9 _0 y- {# D- e/ n" C5 U/ D
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Verifying 00800020 ( 0%); j7 r3 R* o. y' b
Verify failed between address 0x800020 and 0x80FFFF) u- a7 G- Y1 F/ b0 H- }
Leaving target processor paused$ @( G, ?( K' t7 Q0 G5 S
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很多文章說明PLL設-3 ns,也有專家說要改成-11ns~-18ns+ a+ w$ G5 a8 T/ x' P7 ]2 X
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我試過還是不行
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可否請問是軟體問題? |
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