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DM8168-BOOT不成功问题



DM8168系统使用SD卡或者NAND Flash启动都无法成功(电源供电正常,晶体有起振);

测试SD卡管脚:CLK,CMD,DAT0都有检测到一蹿的数据流,但是DM8168还是无法启动成功,UART2未有正常的数据打印出来;NAND Flash启动的情况也类似;

想问:SD卡/NAND FLASH有检测到数据,但是DM8168系统未能正常启动的原因?是否与DDR3模块有关系?