Monitoring The Hdmi Auxiliary Channels With The Aca - Quantum Data Gen 2 980 User Manual

980 HDMI Protocol Analyzer User Guide
Real Time – ACA
\
6.3

Monitoring the HDMI auxiliary channels with the ACA

This subsection describes the procedures for monitoring the auxiliary channel data. You can monitor the HDMI
DDC and MHL C-Bus transactions in real time either while the 980 HDMI Protocol Analyzer is emulating a sink
Page 130
Information / Function
time panel.
 Data – Opens up the Details panel described
below.
 Clear – Clears the ACA trace panel.
 Open – Opens an existing trace file stored on
the 980 or the PC.
 Save – Saves a current trace file to the 980.
The following information is provided in the ACA
Event Details dialog box:
 Type – The type of event, one of HDCP, EDID
or CBUS.
Start Time – This the start time of the

transaction in microseconds from a reference
time determined when the capture of real time
data began.
 Duration – The duration in milliseconds of the
transaction.
 Maximum I2C Rate – The rate that the DDC
channel clock is operating.
 Details (text) – The contents of the transaction
in human readable text.
 Details (hex) – The contents of the transaction
in hex data.
There are some control arrows and a status panel
on the bottom of the ACA Event Details panel.
These are as follows:
 Left arrow – The left arrow allows you to see
the details of the next transaction.
 Right arrow – The right arrow allows you to see
the details of the previous transaction.
 Status field – Shows the sequence number and
the description of the selected transaction.
Rev. A1
December 19, 2012