CDB4265 Datasheet, PDF (2/30 Pages) Cirrus Logic – Evaluation Board for CS4265

CDB4265
TABLE OF CONTENTS
1. SYSTEM OVERVIEW ............................................................................................................... 4
1.1 Power ................................................................................................................................. 4
1.2 Grounding and Power Supply Decoupling ......................................................................... 4
1.3 CS4265 Audio CODEC ...................................................................................................... 4
1.4 CS8416 Digital Audio Receiver .......................................................................................... 4
1.5 FPGA ................................................................................................................................. 4
1.6 Canned Oscillator .............................................................................................................. 4
1.7 External Control Headers ................................................................................................... 5
1.8 Analog Inputs ..................................................................................................................... 5
1.9 Analog Outputs .................................................................................................................. 5
1.10 Serial Control Port ............................................................................................................ 5
1.11 USB Control Port ............................................................................................................. 5
2. SYSTEM CLOCKS AND DATA ................................................................................................ 6
2.1 Clock Routing ..................................................................................................................... 6
2.2 Data Routing ...................................................................................................................... 6
2.2.1 CS4265 SDIN1 and SDIN2 Source ....................................................................... 6
2.2.2 CS4265 TXSDIN Source ....................................................................................... 6
3. PC SOFTWARE CONTROL ..................................................................................................... 7
3.1 CDB4265 Controls Tab ...................................................................................................... 7
3.2 S/PDIF Rx Controls Tab .................................................................................................... 8
3.3 Register Maps Tab ............................................................................................................. 9
3.4 Pre-Configured Script Files ................................................................................................ 9
3.4.1 Oscillator Clock - Line In to DAC & SPDIF Out ..................................................... 9
3.4.2 SPDIF Recovered Clock - SPDIF In to DAC - ADC to SPDIF Out ...................... 10
4. FPGA REGISTER QUICK REFERENCE ............................................................................... 11
5. FPGA REGISTER DESCRIPTION ......................................................................................... 12
6. CDB CONNECTORS, JUMPERS, AND SWITCHES ............................................................. 16
7. CDB BLOCK DIAGRAM ..................................................................................................... 18
8. CDB SCHEMATICS ............................................................................................................... 19
9. CDB LAYOUT ........................................................................................................................ 27
10. REVISION HISTORY ............................................................................................................ 30
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DS657DB1