Datasheet

www.ti.com TAS5414/TAS5424B EVM Schematics
Preloaded Macros: This menu item provides a list of built-in macros to perform typical I
2
C routines.
Read: The Read panel controls are located in this menu
Fault Registers: When selected, the values of the fault registers are displayed in the I
2
C log. Note that
reading fault registers is different from reading faults. The data in a fault register is cleared on read.
The actual value displayed may show the fault, but the value in the device register will be cleared. A
second read of the fault registers will show a cleared fault register.
Load Diagnostic Registers: When selected, the values of the load diagnostic registers are read.
Status Registers: When selected, the values of the status registers are read.
Control Registers: When selected, the values of the control registers are read.
All Registers: When selected, the values of all the registers are read.
Options: The Options panel controls are located in this menu
Crosstalk Compensation Enabled: When selected, Crosstalk is optimized. When this option is
disabled, the standard operation optimizes PSRR.
180 Phase Difference: When selected, the channels switch at 180° phase difference
Switching Frequency: When selected, the switching-frequency setting for AM avoidance can be
changed to 357 kHz or 500 kHz.
All Channels Gain: When selected, the gain on all the channels can be changed to 12 dB, 20 dB, or
32 dB.
I
2
C Log: The I
2
C Log panel controls are located in this menu.
Enabled: When selected, this menu option shows the I
2
C Log panel. When disabled, the I
2
C Log panel
is hidden.
Show I
2
C Reads: When selected, this menu option shows the values read from the device. These are
indicated with a R.
Show I
2
C Writes: When selected, this menu option shows the values that are sent to the device.
These are indicated with a W.
Show Comments: When selected, this menu option shows the comments. The comments are not
shown when this item is not selected.
Clear: This menu item clears the log data. The data is lost.
I
2
C Polling: The I
2
C Polling panel controls are located in this menu
Enabled: When selected, the I
2
C actively samples the status registers specifically. When I
2
C Polling is
disabled, there is no guarantee that the register readings are valid.
Rate: When selected, the poll rate can be changed (in ms). The default setting is 250 ms.
Help: This menu item provides four items:
About: This provides the revision level of the software.
User Guide: This opens the User Guide in the AdobeTM AcrobatTM ReaderTM. Acrobat Reader
needs to be available on the PC.
Device Webpage: This opens the TAS5414B/TAS5424B web page at the Texas Instruments Web site
in the default browser. The most-current data sheets, application reports, and GUI software is available
for downloading.
Check for EVM Updates: This checks to see if any new updates of the GUI are available.
4 TAS5414/TAS5424B EVM Schematics
The schematics for the TAS5414BPHD, TAS5414BDKD, and TAS5424BDKD are shown on the following
pages.
11
SLOU335–May 2012 TAS5414B and TAS5424B Evaluation Module (EVM) User's Guide
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