Cirrus Logic CRD49530-USB - Manual (Page 4)

iv Copyright 2008 Cirrus Logic DS705RD3
CRD49530-USB User’s Manual
5.2 Detailed Schematic Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
5.2.1 CS49530-USB Block Diagram........................................................................................5-1
5.2.2 CS4953xx DSP...............................................................................................................5-1
5.2.3 Memory...........................................................................................................................5-2
5.2.4 S/PDIF Receiver.............................................................................................................5-2
5.2.5 Audio CODEC ................................................................................................................5-3
5.2.6 Input/Output Filters .........................................................................................................5-3
5.2.7 Microphone Preamplifier.................................................................................................5-4
5.2.8 Power and Connectors ...................................................................................................5-4
5.3 Obtaining Schematic Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5
6.1 Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
6.1.1 Power LEDs....................................................................................................................6-1
6.1.2 Board not Recognized by PC .........................................................................................6-1
6.1.3 Audio is not Heard ..........................................................................................................6-2
6.1.4 Only Stereo Audio is Heard ............................................................................................6-2
6.1.4 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
Figures
Figure 1-1. CRD49530 Kit Contents .............................................................................................................1-1
Figure 1-2. CRD49530-USB Block Diagram ................................................................................................1-2
Figure 1-3. ADC Clocking .............................................................................................................................1-6
Figure 1-4. S/PDIF Clocking .........................................................................................................................1-7
Figure 1-5. HDMI Clocking ...........................................................................................................................1-8
Figure 2-1. CRD49530-USB System Block Diagram ...................................................................................2-1
Figure 2-2. CRD49530 Top View .................................................................................................................2-2
Figure 3-1. Front Panel Driver Setup Wizard ...............................................................................................3-2
Figure 3-2. Board Setup Diagram ................................................................................................................3-3
Figure 3-3. ound New Hardware Window ....................................................................................................3-4
Figure 3-4. Found New Hardware Wizard Window ......................................................................................3-4
Figure 3-5. Found New Hardware Wizard with Automatic Installation Option Window ................................3-5
Figure 3-6. Hardware Installation Window ...................................................................................................3-5
Figure 4-1. PCM Pass-through Example Application ...................................................................................4-2
Figure 4-2. CRD49530 System Properties ...................................................................................................4-3
Figure 4-3. CRD49530 DAO Channel Remap .............................................................................................4-3
Figure 4-4. CRD49530 Audio In Properties ..................................................................................................4-4
Figure 4-5. CRD49530 S/PDIF Rx Properties ..............................................................................................4-4
Figure 4-6. CRD49530 Analog Properties ....................................................................................................4-5
Figure 4-7. CRD49530 DAI Input Properties ................................................................................................4-6
Figure 4-8. CRD49530 Audio Out Properties ...............................................................................................4-7
Figure 4-9. CRD49530 Digital Audio Output Properties ...............................................................................4-7