Cirrus-logic CDB42L51 Manual do Utilizador

Copyright © Cirrus Logic, Inc. 2007 (All Rights Reserved)http://www.cirrus.comEvaluation Board for CS42L51Features MUXed Analog Input– Stereo RCA Inp

10 DS679DB2CDB42L512.3 ADC Volume Controls TabThe “ADC Volume Controls” tab provides high-level control of all volume settings in the ADC of theCS42L5

DS679DB2 11CDB42L512.4 DAC Volume Controls TabThe “DAC Volume Controls” tab provides high-level control of all volume settings in the DAC of theCS42L5

12 DS679DB2CDB42L512.5 Register Maps TabThe Advanced Register Debug tab provides low-level control of the CS42L51 individual register settings.Registe

DS679DB2 13CDB42L513. HARDWARE MODE CONTROLThe CDB may be configured without the use of a software control port through the use of two switches, “FPGA

14 DS679DB2CDB42L51OscillatorMCLKLRCK/SCLKSDINSDOUTCS42L51I/O HeaderMCLKSDOUTLRCK/SCLKSDINCS8406CS8415RMCK(256Fs)OLRCK/OSCLKSDOUT(LJ)OMCK(256Fs)ILRCK/

DS679DB2 15CDB42L51OscillatorMCLKLRCK/SCLKSDINSDOUTCS42L51I/O HeaderMCLKSDOUTLRCK/SCLKSDINCS8406CS8415RMCK(256Fs)OLRCK/OSCLKSDOUT(LJ)OMCK(256Fs)ILRCK/

16 DS679DB2CDB42L51OscillatorMCLKLRCK/SCLKSDINSDOUTCS42L51I/O HeaderMCLKSDOUTLRCK/SCLKSDINCS8406CS8415RMCK(256Fs)OLRCK/OSCLKSDOUT(LJ)OMCK(256Fs)ILRCK/

DS679DB2 17CDB42L513.2 CS42L51 H/W ControlThe stand-alone “CS42L51 H/W Control” switch controls the Hardware Mode options of the CS42L51. Adescription

18 DS679DB2CDB42L51 JMP LABEL PURPOSE POSITION FUNCTION SELECTEDJ31 VLSelects source of voltage for the VL supply*+1.8V Voltage source is +1.8 V regul

DS679DB2 19CDB42L515. CDB42L51 BLOCK DIAGRAM Figure 17. Block DiagramAnalog Output(Line + Headphone)Analog Input(Line + MIC)Software Mode Control Por

2 DS679DB2CDB42L51TABLE OF CONTENTS1. SYSTEM OVERVIEW ...

DS679DB2 20CDB42L516. CDB42L51 SCHEMATICSFigure 18. CS42L51 and Analog I/O (Schematic Sheet 1)

DS679DB2 21CDB42L51Figure 19. S/PDIF I/O (Schematic Sheet 2)

DS679DB2 22CDB42L51Figure 20. FPGA (Schematic Sheet 3)

DS679DB2 23CDB42L51Figure 21. Level Shifters & I/O Stake Header (Schematic Sheet 4)

DS679DB2 24CDB42L51Figure 22. Control Port I/O (Schematic Sheet 5)

DS679DB2 25CDB42L51Figure 23. Power (Schematic Sheet 6)

DS679DB2 26CDB42L517. CDB42L51 LAYOUTFigure 24. Silk Screen

DS679DB2 27CDB42L51Figure 25. Top-Side Layer

DS679DB2 28CDB42L51Figure 26. Bottom-Side Layer

DS679DB2 29CDB42L518. ERRATAAlthough the CS42L51 does support VL power supply levels of both +1.8 V and +2.5 V, these levels are not sup-ported by the

DS679DB2 3CDB42L51Figure 23. Power (Schematic Sheet 6) ...

4 DS679DB2CDB42L511. SYSTEM OVERVIEW The CDB42L51 evaluation board is an excellent means for evaluating the CS42L51 CODEC. Digital audio signal interf

DS679DB2 5CDB42L511.5 CS8406 Digital Audio TransmitterA complete description of the CS8406 transmitter (Figure 19 on page 21) and a discussion of the

6 DS679DB2CDB42L511.9 Analog InputRCA connectors supply the line-level analog inputs through an AC-coupled passive filter. The signal fromthese inputs

DS679DB2 7CDB42L512. SOFTWARE MODE CONTROLThe CDB42L51 may be used with the Microsoft® Windows-based FlexGUI graphical user interface, allowing soft-w

8 DS679DB2CDB42L512.1 General Configuration TabThe “General Configuration” tab provides high-level control of signal routing on the CDB42L51. This tab

DS679DB2 9CDB42L512.2 CODEC Configuration TabThe “CODEC Configuration” tab provides high-level control of all setup configurations for the CS42L51. St