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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4.2 USB trouble
USB Initial sequence of KF700Q is :
USB connected to KF700Q
→
USB_VBUS(VA404) go to 5V
→
USB_D+(C446) go to 3.3V
→
USB_DATA is triggered ßú USB work
VA404(USB_VBUS)
C446(USB_D+ )
Z3X-BOX.COM
Содержание KF700Q
Страница 205: ...Note Z 3 X B O X C O M ...
Страница 206: ...Note Z 3 X B O X C O M ...