Cirrus Logic CDB5364 User Manual

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DS625DB1

CDB5364

TABLE OF CONTENTS

1. CDB5364 System Overview..................................................................................................................... 3
2. Quick-Start Guide..................................................................................................................................... 3
3. Detailed Board Features .......................................................................................................................... 3

3.1 Stand-Alone Evaluation ............................................................................................................ 3

3.1.1 S1 and S4 Switch Operation .......................................................................................... 4

3.2 Control-Port Evaluation ............................................................................................................ 5
3.3 FlexGUI Hi-Level View ............................................................................................................. 6
3.4 FlexGUI Low-Level View .......................................................................................................... 7
3.5 Bit Definitions ........................................................................................................................... 8

3.5.1 CS5364 Bits .................................................................................................................... 8
3.5.2 FPGA Bits ....................................................................................................................... 8

4. CDB5364 Hardware ................................................................................................................................. 9

4.1 Input and Output Connectors ................................................................................................... 9
4.2 Switches ................................................................................................................................. 10
4.3 User Configuration Jumpers .................................................................................................. 10
4.4 Reserved Factory Programming Jumpers ............................................................................. 10
4.5 Power Supply Circuitry ........................................................................................................... 11
4.6 Grounding and Power Supply Treatment ............................................................................... 11
4.7 FPGA Hardware ..................................................................................................................... 11
4.8 CS8406 S/PDIF Audio Transmitter ........................................................................................ 11
4.9 Serial Audio Interface ............................................................................................................. 11
4.10 Analog Input Buffer .............................................................................................................. 11

5. Schematics............................................................................................................................................. 12
6. Board Layout and Routing Plots ........................................................................................................... 21
7. Revision History ..................................................................................................................................... 24

LIST OF FIGURES

Figure 1. Hi-Level FlexGUI View ................................................................................................................. 6
Figure 2. FlexGUI Low-Level Register View ............................................................................................... 7
Figure 3. FPGA Low-Level Bit View ............................................................................................................ 8
Figure 4. CS5364 (Schematic page 1) ...................................................................................................... 12
Figure 5. Clock Generation (Schematic page 2) ....................................................................................... 13
Figure 6. FPGA (Schematic page 3) ......................................................................................................... 14
Figure 7. Control Port (Schematic page 4) ................................................................................................ 15
Figure 8. Clock and Data Buffers (Schematic page 5) .............................................................................. 16
Figure 9. CD8406 S/PDIF Output (Schematic page 6) ............................................................................. 17
Figure 10. Analog Inputs 1 to 4 (Schematic page 7) ................................................................................. 18
Figure 11. Analog Inputs 5 to 8 (Schematic page 8) ................................................................................. 19
Figure 12. Power (Schematic page 9) ....................................................................................................... 20
Figure 13. Top Silkscreen ......................................................................................................................... 21
Figure 14. Top Layer ................................................................................................................................. 22
Figure 15. Bottom Layer ............................................................................................................................ 23

LIST OF TABLES

Table 1. CDB5364 Input and Output Connectors ....................................................................................... 9
Table 2. CDB5364 Switches ..................................................................................................................... 10
Table 3. User Jumpers .............................................................................................................................. 10
Table 4. CDB5364 Reserved Jumpers ..................................................................................................... 10

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