A004
Using the GUI With the TAS5411EVM Board
4
Using the GUI With the TAS5411EVM Board
The TAS5411EVM does not need initialization. On powering up, the device performs load diagnostics. If
there is no problem, the device transitions to play mode with the following default values are set:
•
Gain: 26 dB
•
f
(SW)
: 400 kHz
•
SpeakerGuard protection circuitry: Maximum voltage level
4.1
Checking the Fault Register
When the GUI first runs, the Register Detail box displays the fault register. The GUI runs with I
2
C data
polling as the default setting, clearing any previous faults after the first poll. If any fault condition is still
active after device goes into play mode, with the exception of open load, the device enters the load-
diagnostics mode.
Figure 5. Fault Register
5
SLOU431 – November 2015
TAS5411EVM User's Guide
Copyright © 2015, Texas Instruments Incorporated