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软件使用QuartusII,下载器使用USB Blaster,器件是EPM3256ATC144-10使用JTAG接口
现在发现如下问题: 1)EPM3256ATC144可以正常擦除,擦除成功时提示“Info: Device 1 silicon ID is ALTERA99 (1)” 2)使用QuartusII的JTAG Chain Debugger测试一切正常 3)不能下载,下载的时候以下错误提示会出现: 3.1 Error: Can't access JTAG chain 3.2 Error: Can't recognize silicon ID for device 1 4)获得的USERCODE是FFFFFFFF 请问该如何解决这个问题啊?没法正常下载,痛苦啊!Link Copied
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