j-tag连接时,显示unable to find target提示的是:unable to find target. Please make sure that the hardware is properly connected and powered up. .....我的配置应该是正确的啊:TMS: Pin3 D1TCK: D0TD1: D6TD0: P13nTRST:D2nSRST:no不知道是怎么回事儿,求人指点!![解决办法]怎么解决好的