User Manual

10 DS773DB1
CDB42L55
4 SOFTWARE MODE CONTROL
The CDB42L 55 may be used with the Microso ft Windows
®
-based FlexGUI graphical user interface, allowing soft-
ware control of the CS42L55, FPGA, CS8421, CS8416 and CS8406 registers. The latest control software may be
downloaded from www.cirrus.com/msasoftware. Step-by-step instructions for setting up the FlexGUI are provided
as follows:
1. Download and install the FlexGUI software as instructed on the Website.
2. Connect the CDB to the host PC u sing a USB cable.
3. Launch the Cirrus FlexGUI. On ce the GUI is launched successfully, all registers are set to their default reset
state.
4. Refresh the GUI by clicking on the “Update” button. The default stat e of all registers are now visib le.
For standard set-up:
5. Set up the signal routing in the “Board Configuration” tab as desired.
6. Set up the CS42L55 in the “CODEC...” tabs as desired.
7. Begin evaluating the CS42L55.
For quick set-up, the CDB42L55 may, alternatively, be configured by loading a predefined sample script file:
8. On the File menu, click "Restore Board Re gisters..."
9. Browse to Boards\CDB42L55\Scripts\.
10. Choose any one of the provided scripts to begin evaluation.
To create personal scripts files:
11. On the File menu, click "Save Board Registers..."
12. Enter any na m e th at su ffic ien tly de scribes the create d set up .
13. Choo se th e de sir ed locatio n an d sa ve the scr ipt .
14. To load this script, follow the instructions from step 8 above.