Waveshare Open407V-C Testing Manual page 33

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Overview
USB HS Demo
Hardware Connection
·
Open the 3 jumpers PA5-FLG, PA3-PWROUT and PA9-VBUS for the following test.
·
Connect the 3.2inch 320x240 Touch LCD (A) to the board via LCD interface.
·
Short the Joystick, LED jumpers.
·
Connect the USB3300 USB HS Board to the board via ULPI interface.
As shown in the figure below:
(1) USB_Device_Examples--HID
Hardware Connection
USB HS Example
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Open407V-C\Open207V-C Testing Guide