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数十片28235芯片中有一片出现 ,连接仿真器正常运行,下载到FLASH脱机无法运行的情况

Other Parts Discussed in Thread: UNIFLASH

数十块板卡中的28235芯片只有一片有此异常,且这片之前也是正常运行的,挂上仿真器看Flash中有数据,是芯片坏了吗?有没有检测方法?