Cirrus-logic CRD42L51 Manuel d'utilisateur

Copyright © Cirrus Logic, Inc. 2005(All Rights Reserved)http://www.cirrus.comReference Design for CS42L51Features! Ultra Small Layout ! Single AAA Bat

DS679RD1 10CRD42L51Figure 3. S/PDIF Input (Schematic Sheet 2)

11 DS679RD1CRD42L51Figure 4. Microcontroller, Pushbuttons and LED Indicators (Schematic Sheet 3)

DS679RD1 12CRD42L51Figure 5. DC-DC Converter and AAA Battery Clip (Schematic Sheet 4)

DS679RD1 13CRD42L516. CRD42L51 LAYOUT Figure 6. Silk Screen Top

DS679RD1 14CRD42L51 Figure 7. Silk Screen Bottom

15 DS679RD1CRD42L51Figure 8. Top-Side Layer

DS679RD1 16CRD42L51Figure 9. Internal Layer (Ground Plane)

17 DS679RD1CRD42L51Figure 10. Internal Layer (Power Plane)

DS679RD1 18CRD42L51 Figure 11. Bottom-Side Layer

DS679RD1 19CRD42L517. REVISION HISTORY Release ChangesRD1 Initial ReleaseContacting Cirrus Logic SupportFor all product questions and inquiries contac

2 DS679RD1CRD42L51TABLE OF CONTENTS1. QUICK-START GUIDE ...

DS679RD1 3CRD42L511. QUICK-START GUIDEPushbutton Control Key Press DescriptionSELECT< (only)Left/Up Navigation - Shifts the focus between functions

4 DS679RD1CRD42L512. FUNCTION & LEVEL DETAILS FunctionState/LED Illumination DescriptionResetON CS42L51, CS8416, optical receiver, oscillator held

DS679RD1 5CRD42L513. SYSTEM OVERVIEW The CRD42L51 reference design provides a quick and general overview of the features in the CS42L51 CODEC and prov

6 DS679RD1CRD42L513.8 Switch & PushbuttonThe POWER switch engages the AAA battery when switched to the ON position. Power is applied to theboard a

DS679RD1 7CRD42L514. SYSTEM CONNECTIONS & INTERFACE Connector/InterfaceReference Designator Input/Output DescriptionAAA BT1 Input Battery Power

DS679RD1 8CRD42L51CRD42L51 BLOCK DIAGRAM Figure 1. Block DiagramLED Selection IndicatorsBattery ClipCS42L51Microcontroller1/8" Stereo Line Input

9 DS679RD1CRD42L515. CRD42L51 SCHEMATICSFigure 2. CS42L51 and Analog I/O (Schematic Sheet 1)