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AM335X将USB1作为主机模式,不适用VBUS时应该怎么处理。



  我使用AM335X接USB WIFI模块,但我模块是3.3V供电,不需要使用VBUS,我可以直接将VUS和5V直接使用0R电阻吗,我试过可以正常工作,使用大电阻的话就不可以。这样会存在风险吗?