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IMX6 USBOTG无法识别

Question asked by yin kai on May 28, 2016
Latest reply on May 29, 2016 by Wigros Sun

IMX6DUALLITE板子PMIC输出各路电压和时序都正确USB_OTG_ID管脚悬空,BOOT模式选为串行下载,USBOTG连接电脑后,通过示波器测量DP和DN脚有波形,摆幅约500mv,电脑显示未识别的USB设备,请问是什么原因。

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