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.
我在datasheet上找到一句：See Section 5.9.2 for requirements to ensure a high-impedance state for GPIO pins during power up.
但是查找了一下5.9.2节，似乎也并没有讲到如何设置为High-impedance状态，你可以看一下是否能找到： www.ti.com.cn/.../tms320f28335.pdf
