Cirrus-logic CDB8427 Manual de usuario descargar pdf

Preliminary Product Information

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.



Cirrus Logic, Inc. 2002

Cirrus Logic, Inc.

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

CDB8427

Evaluation Board for CS8427

Features

Receives and transmits AES/EBU, S/PDIF

and EIAJ-340 compatible digital audio

Convenient access to the Serial Audio Input

Port and Serial Audio Output Port through

headers.

Runs from a single 5 Volt supply.

Crystal supplied to allow operation at 48 kHz,

sample rate.

Digital patch area.

Description

The CDB8427 is designed to allow rapid evaluation of

the CS8427. The board is set up for easy connection to

an Audio Precision or a Rohde and Schwarz test system.

Input and output data formats may independently be set

to either AES/EBU, or S/PDIF with either optical or coax-

ial physical format.

Separate headers are provided so the Serial Audio Input

Port and Serial Audio Output Port may be interfaced to

off board circuits.

Microsoft

Windows

98 PC software provides a GUI

interface to make configuration easy. The software com-

municates through the PC’s RS232 port to a

microcontroller on the evaluation board that controls the

CS8427. All the possible software modes of the CS8427

may be tested.

ORDERING INFORMATION

CDB8427 Evaluation Board

CS8427

Amtel

µC

Optical In

S/PDIF In

AES 3 In

AES 3 Out

S/PDIF Out

Optical Out

RS232 port to PC

AUG ‘02

DS477DB2

1 2 3 4 5 6 ... 13 14

Indice de contenidos

Pagina 1 - Evaluation Board for CS8427

Preliminary Product InformationThis document contains information for a new product.Cirrus Logic reserves the right to modify this product without not

Pagina 2 - LIST OF TABLES

CDB842710D1D3D5D3D7D4D[0-7]D5D7D0D4D4D2D7D1D2D5D0D6D6D2D6D0D1D3A[8-14]A14A13A12A11A10A9A8A8A9A11A10A13A14A12SUP1SUP2SUP3SUP4SUP5SUP0APMSSFMT0SFMT1H/SM

Pagina 3

CDB842711/RST/RESET/PGMMRSTVAVDVDVDVDC21.1uF+C20100uF 6.3V+C18100uF 6.3VJ8BLACK1Z1P6KE6.8A1 2U2C74VHC1259 810R3810KD3BAT8512C22.01uFJ7RED1D11BAT8512R2

Pagina 4 - 2.2 Installing the Software

CDB842712Figure 6. Silkscreen

Pagina 5

CDB842713Figure 7. Top PCB

Pagina 6 - 3.1 Main Window

CDB842714Figure 8. Bottom PCB

Pagina 7 - 3.3 Script file syntax

CDB84272TABLE OF CONTENTS1. OVERVIEW ...

Pagina 8

CDB842731. OVERVIEWThe CDB8427 evaluation board contains a CS8427and the supporting circuitry necessary for it to op-erate. The input and output optio

Pagina 9

CDB842742. CDB8427.EXE QUICK START GUIDE2.1 Setting up the HardwareNote: SeeTable 1 on page 5 and Table 2 on page 5 for the configuration and jumper s

Pagina 10

CDB84275CONNECTOR INPUT/OUTPUT SIGNAL PRESENT+5V Input +5 Volt powerGND Input Ground connection from power supplyOPTICAL INPUT Input Digital Audio Int

Pagina 11

CDB842763. CDB8427.EXE USER'S GUIDE3.1 Main WindowThe CDB8427 Control Panel allows you to viewand access the data flow configuration of theCS8427

Pagina 12 - Figure 6. Silkscreen

CDB842773.2 Board SetupThe Board Setup panel has some very useful func-tions, including setting the COM Port used by theapplication, resetting the CS8

Pagina 13 - Figure 7. Top PCB

CDB84278

Pagina 14 - Figure 8. Bottom PCB

CDB84279SDINILRCKISCLKRMCKSDOUTOLRCKOSCLKOMCKRMCKOSCLKILRCKISCLKOLRCKSDINOMCKSDOUTH/SAPMS S/AESINTSUP4CENSFMT0SFMT1MUTECCLKCDOUTSUP0 SUP5CDIN/CSSUP1SU

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