2 software mode control – Cirrus Logic CDB4244 User Manual
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DS900DB2
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CDB4244
2 SOFTWARE MODE CONTROL
The CDB4244 can be used with the Microsoft Windows
®
–based FlexGUI graphical user interface, allowing software
control of the CS4244, CS8416, CS8406, and CS2000 registers. The latest control software can be downloaded
from
. Step-by-step instructions for setting up the FlexGUI with the CDB4244 config-
ured under the factory default settings are provided as follows:
1.
Download and install the FlexGUI software as instructed on the Cirrus Logic website.
2.
Connect a triple-output power supply to the binding posts marked “+5 V EXT, GND, -12 V, and +12 V.”
3.
Connect the CDB4244 to the host PC using a USB cable.
4.
Launch the Cirrus Logic FlexGUI. Once the GUI is launched successfully, all CS4244 registers are set to
their default reset state, with the remaining devices preconfigured as necessary.
5.
Refresh the GUI by clicking on the “Update” button. The state of all registers is now visible.
For standard setup:
1.
Set up the board’s clocking and data options in the “Board Control” tab as desired.
2.
Set up the CS4244 in the “CODEC Control” and “Volume Control” tabs as desired.
3.
Begin evaluating the CS4244.
For quick setup, the CDB4244 may, alternatively, be configured by loading a predefined sample script file:
1.
On the File menu, click "Restore Board Registers..."
2.
Browse to the “Boards\CDB4244\Scripts” directory.
3.
Choose any one of the provided scripts to begin evaluation.
To create custom script files:
1.
On the File menu, click "Save Board Registers..."
2.
Enter any name that sufficiently describes the current setup.
3.
Choose the desired location, and save the script.
4.
To load this script at a later time, follow the instructions above for loading a predefined sample script.