Reference Packet Parameter Test Equipment Setup
High speed Host: EL_55 (SOF-EOP)
a. Complete the procedure 1.
b. Run the test mode software and select the Host option.
c. Select the Enumerate button in the HS electrical test tool to identify the device connected to
the host controller.
d. Select the measurement and run the application. The application automatically sets the
oscilloscope parameters (Horizontal, Vertical, and Trigger). You can see the SOFs on the
oscilloscope screen.
To set up the oscilloscope for the High Speed Device EL_21, EL_23, EL_25 (Sync-EOPIII-
InterPacketII&III) and a High Speed Device EL_22 (InterPacketI&II), follow these steps:
1. Select the measurement and run the application. The application automatically sets the oscilloscope
parameters (Horizontal, Vertical, and Trigger) and displays the message,"Press OK when correct
waveform is acquired”. You can see the SOFs on the oscilloscope screen.
TDSUSB2 Universal Serial Bus Measurements Package 207
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