This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
GIO0没有上拉，系统NAND启动时，UBL执行一部分，UART无打印，请问GIO0能否通过软件的方式规避，或者有什么办法吗，谢谢。
你好，
据我所知没有办法，根据sprufg5a的11.2.1.1的描述NAND启动时GIP0必须上拉。
详情见：http://www.ti.com/general/docs/lit/getliterature.tsp?baseLiteratureNumber=SPRUFG5&fileType=pdf
