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DM642启动不起来



程序能在仿真时正常运行,烧写到FALSH后,重新上电运行不起来,FLASH用的是S29AL016J55TFR1,程序已经在前一批板子中正常运行起来了,就是最近新做的一批板子,统一都出现运行不起来的问题,请问问题出在哪