EVB-UCS1002 Evaluation Board User Manual
Revision 1.1 (09-30-11)
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SMSC EVB-UCS1002
PRELIMINARY - SMSC CONFIDENTIAL
To restart communications between the software and the EVB, click the Run button. The arrow button
disappears when communications resume.
Note:
Stopping and restarting the GUI do not affect register settings. To restore default register
settings, disconnect power from the EVB, then reconnect power.
To close the program, use the red X in the upper right corner of the window.
6.1.2
COM Status Indicator
The COM Status indicator, on the right side of the panel shown in
, indicates the status of
communications over the SMBus. During normal operation, COM Status is green. If SMBus
communications fail, COM Status turns red (or alternates red and green).
6.1.3
Register Read Delay
The Register Read Delay, shown in
, sets the GUI control panel update speed. It affects the
speed that the software reads the registers but will not affect the device’s sampling time. The default
is 50 ms. This number can range from 0 to 5000ms in increments of 25ms.
6.1.4
Single / Continuous Read
The panel defaults to continuous register reads (toggle switch in down position, as shown in
). To stop continuous register reads, click the Single Read Enable box to place an ‘X’ in it.
In order to capture the register values at a given time, click the switch, which will briefly flip to Single
Read.
6.1.5
Default
Loads the defaults to all registers of the UCS1002.
6.1.6
Step
When selected, Step will “step” through the Emulation Profiles in sequence from Legacy 1 through 6,
then BC1.2 DCP, then Custom. Actual DCE cycle is slightly different, please see datasheet for more
information.
6.1.7
Demo
The Demo button enables an automated routine to cycle through a user defined set of profiles and
selects the highest current profile. This feature emulates an external controller and is not part of the
UCS1002 device.
