Q1. AM335X上電後,再插上USB, USB的5V拉至0,無法識別USB
Q2. 但是若是先插上USB,再送系統電源,就可以識別到USB
MPU 與 USB之間有用TPS2051開關
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Q1. AM335X上電後,再插上USB, USB的5V拉至0,無法識別USB
Q2. 但是若是先插上USB,再送系統電源,就可以識別到USB
MPU 與 USB之間有用TPS2051開關