Cirrus Logic AN187 - Manual (Page 2)

AN187
2 AN187REV1
TABLE OF CONTENTS
1. INTRODUCTION ....................................................................................................... 3
2. EP72/7312 DIGITAL AUDIO INTERFACE (DAI) ................................................ 3
3. SI3034 DAA CHIP SET .............................................................................................. 4
4. INTERFACING THE EP72/7312 TO THE SI3034 ................................................. 4
5. PLD EQUATIONS; SOFTMODEM VIA EP72/7312 DAI TO
THE SI3034 DAA CHIP SET ..................................................................................... 8
6. SILICON LABORATORIES CONTACT INFORMATION ............................... 10
LIST OF FIGURES
Figure 1. Example Timing Interface Generated by the DAI............................................... 3
Figure 1. Circuit Schematic................................................................................................. 6
Figure 2. CPLD Schematic ................................................................................................. 7
Figure 2. EP72/7312 to Si3035 Interface Signals ............................................................. 10
LIST OF TABLES
Table 1. DAA Interface Signals .......................................................................................... 4
Table 2. PLD Equations ...................................................................................................... 8
Contacting Cirrus Logic Support
For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:
http://www.cirrus.com/corporate/contacts/sales.cfm
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