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6614上电后bootcomplete管脚不拉高



您好,我的板卡上电后bootcomplete管脚不拉高

上电顺序为1.8V---》cvdd-----》cvdd1------》1.5V,电源电压都正常

复位逻辑按照手册要求做的,上电后resetstat管脚已经拉高,所有复位管脚也正常

配置ARM作为bootmaster,然后bootmode sequence设置为no boot,sysclk_out引脚输出为输入系统时钟的6分频

现在的现象是bootcomplete管脚没有拉高,请问都有哪些原因会导致bootcomplete管脚不拉高?

盼复,谢谢