问大家一个问题，我自制的板子，用A3P060芯片。
可是JTAG连接后就是找不到该设备。
我片子管脚上各点电压都量过了，
VCC1.5V， VPUMP和VJTAG3.3V。
连程序多没法下载，什么也做不下去了。
有知道的吗？？指点一下，
FlashPro软件提示下面错误：
Error: programmer 'FPBBALTLPT1' : Signal Integrity Failure
Integrity Check Pattern Not Found.
Integrity Check Pattern :
550FAAF000FF0000FFFF
IrScan Error.
Possible chain exceeds expected maximum device count: 256.
Chain Analysis Failed.
Error: programmer 'FPBBALTLPT1' : Data Bit length : 8272
Error: programmer 'FPBBALTLPT1' : Compare Data : 81D6035A78007F0000FFFF000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000......
Error: programmer 'FPBBALTLPT1' : Scan Chain FAILED.
Error: Failed to run Action.
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