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发表于 2004-12-27 13:27:23
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我的板子上焊的是2s100但是我的jtag读出来说是xcv100,为什么啊?| Problem Description: Keywords: iMPACT, JTAG, Spartan-II, Spartan-IIE, idcode, intialize, chain
 Urgency: Standard
 General Description:
 When I initialize my JTAG chain in iMPACT, why does iMPACT identify a Spartan-II/E device as a Virtex/-E?
 Solution 1:
 
 Spartan-II and Virtex have identical IDCODEs, and are therefore indistinguishable in a JTAG chain. (The same holds true for Spartan-IIE and Virtex-E.)
 You may continue to program the Spartan-II/E device normally by assigning the Spartan-II/E bit file in iMPACT.
 
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