6
DS723DB1
CDB43L21
1.9
Stand-Alone Switches
The “FPGA H/W Control” and “CS43L21 H/W Control” switches control all Hardware Mode options.
Section 3. “Hardware Mode Control” on page 11
provides a description of each topology.
1.10
Control Port Connectors
A graphical user interface is available for the CDB43L21, allowing easy manipulation of each register. This
GUI interfaces with the CDB via the RS-232 connector and controls all Software Mode options.
“Software Mode Control” on page 7
provides a description of the GUI.
1.10.1
USB Connector
Connecting a USB port cable from a PC to the USB connector and launching the Cirrus FlexGUI software
enables one to use the CDB43L21.
1.10.2
RS-232 Connector
Connecting a cable to the RS-232 connector and launching the Cirrus FlexGUI software enables the
CDB43L21 in Software Mode.
Summary of Contents for CDB43L21
Page 16: ...16 DS723DB1 CDB43L21 7 CS43L21 SCHEMATICS Figure 10 CS43L21 and Analog I O Schematic Sheet 1 ...
Page 17: ...DS723DB1 17 CDB43L21 Figure 11 S PDIF I O Schematic Sheet 2 ...
Page 18: ...18 DS723DB1 CDB43L21 Figure 12 FPGA Schematic Sheet 3 ...
Page 19: ...DS723DB1 19 CDB43L21 Figure 13 Level Shifters I O Stake Header Schematic Sheet 4 ...
Page 20: ...20 DS723DB1 CDB43L21 Figure 14 Control Port I O Schematic Sheet 5 ...
Page 21: ...DS723DB1 21 CDB43L21 Figure 15 Power Schematic Sheet 6 ...
Page 22: ...22 DS723DB1 CDB43L21 8 CDB43L21 LAYOUT Figure 16 Silk Screen CDB43L21 CS43L21 CS43L21 CS43L21 ...
Page 23: ...DS723DB1 23 CDB43L21 Figure 17 Top Side Layer ...
Page 24: ...24 DS723DB1 CDB43L21 Figure 18 Bottom Side Layer ...