Technical data

Low and Full Speed Tests 7
Notes on USB Electrical Compliance Testing 225
cable from the host. Connect the device/hub upstream port to the
SQiDD board using a known good USB cable.
2 Check I have completed these instructions.
Running the Tests
1 Click Run Tests.
Test Instructions
VBUS
The USB automated test application will prompt you to: measure the
voltage between Vbus and Gnd on the SQiDD board and record the value.
D+
The USB automated test application will prompt you to: measure the
voltage between D+ and Gnd on the SQiDD board and record the value.
D-
The USB automated test application will prompt you to: measure the
voltage between D- and Gnd on the SQiDD board and record the value.