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AM3352启动打印CCC问题

Other Parts Discussed in Thread: AM3352

采用AM3352作为整个板卡管理芯片,硬件上已经设置为MMC0启动模式了,SYS_BOOT[4:0]=10111(MMC0 SPI0 UART0 USB0),目前出现的问题是:板卡加电后,有时能够正常从外部SD卡启动,但有时不能正常启动,打印CCC。出错的概率大约每4次就有一次出现打印CCC现象 ,请教问题出在哪里?