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有一次, 将程序下载至 SpartanII XC2S50PQ208 芯片电路, 结果发生了故障, 并显示以下消息:
' j. q) c: j+ h“. . .Checking boundary-scan chain integrity. . . ERROR:JTag - Boundary-scan chain test failed atbit position '3' on instance '***'(实际的文件名)”. 4 V) F8 ?5 k4 Z- A# X' S" b
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问题可能在硬件配置. 检查了连线、扫描链路和电源接头都没有问题. 特定的扫描链路配置与实际的硬件相匹配, 电源充足且电压正常. ; e6 S$ o0 @ k6 r. Y8 o
+ Y: D+ T# R7 J2 C1 {# P; U* C“ERROR:JTag - Boundary scan chain has been improperly specified. Pleasecheck your configuration and re-enter the boundary-scan chain information. Boundary-scan chain validated unsuccessfully. ERROR:JTag - : The boundary-scan chain has not beendeclared correctly. Verify the syntax and correctness of the device BSDL files, correct the files, reset the cable and retry this command. ”1 _/ U- O( W. Q9 S: f
这么多出错消息, 什么原因, 怎么办?
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