在Xilinx Foundation 3. 1i下用JTAG PROGRAMER下载程序到芯片中, 可是总是出现如下错误: 2 C5 H; d2 d8 W5 i9 DIf the security flag is turned on in the bitstream, programming status can not beconfirmed;others, programming terminated due to error. * z2 ]. z' r T4 F } b2 w+ Q+ O, s$ R' u& Z$ o: W- n# Y, v
测量电路信号,没有相应的波形,显然下载没有成功。所用的芯片是:Xilinx Spartan2 XC2S50TQ144。怎么解决? : r" o$ [( n8 u, V0 ~" I, }; x$ H 8 Y }5 q6 Y( A# @