10
DS773DB1
CDB42L55
4 SOFTWARE MODE CONTROL
The CDB42L55 may be used with the Microsoft 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
. 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 using a USB cable.
3.
Launch the Cirrus FlexGUI.
Once 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 state of all registers are now visible.
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 Registers..."
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 name that sufficiently describes the created setup.
13. Choose the desired location and save the script.
14. To load this script, follow the instructions from step
8
above.
Summary of Contents for CDB42L55
Page 25: ...DS773DB1 25 CDB42L55 8 CDB42L55 SCHEMATICS Figure 37 CS42L55 Analog I O Schematic Sheet 1 ...
Page 26: ...26 DS773DB1 CDB42L55 Figure 38 S PDIF Digital Interface Schematic Sheet 2 ...
Page 27: ...DS773DB1 27 CDB42L55 Figure 39 PLL oscillator and external I O connections Schematic Sheet 3 ...
Page 28: ...28 DS773DB1 CDB42L55 Figure 40 Microcontroller and FPGA Schematic Sheet 4 ...
Page 29: ...DS773DB1 29 CDB42L55 Figure 41 Power Schematic Sheet 5 ...
Page 30: ...30 DS773DB1 CDB42L55 9 CDB42L55 LAYOUT Figure 42 Silk Screen ...
Page 31: ...DS773DB1 31 CDB42L55 Figure 43 Top Side Layer ...
Page 32: ...32 DS773DB1 CDB42L55 Figure 44 GND Layer 2 ...
Page 33: ...DS773DB1 33 CDB42L55 Figure 45 Power Layer 3 ...
Page 34: ...34 DS773DB1 CDB42L55 Figure 46 Bottom Side Layer ...
Page 35: ...DS773DB1 35 CDB42L55 10 REVISION HISTORY Revision Changes DB1 Initial Release ...
