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Cirrus Logic Crystal CDB8415A Manual

Evaluation board for the cs8415a
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Evaluation Board Data Sheet for the CS8415A
Features
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CS8415A Digital Audio Receiver
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CS8405A Digital Audio Transmitter
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Receives and transmits AES/EBU, S/PDIF
and EIAJ-340 compatible digital audio
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Analog 5 Volt supply.
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Digital 5 Volt or 3 Volt supply
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Crystal supplied to allow transmitter to
operate at 48 kHz sample rate
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Digital patch area
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Optical In
S/PDIF In
AES 3 In
Preliminary Product Information
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
CS8415A
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright  Cirrus Logic, Inc. 2000
Description
The CDB8415A is designed to allow easy evaluation of
the CS8415A and CS8405A. The board is set up for
easy connection to an Audio Precision or a Rohde and
Schwarz test system.
Input and output data may independently be set to either
AES/EBU or S/PDIF in optical or coaxial physical
formats.
Windows 98 PC software provides a GUI interface to
make configuration easy. The software communicates
through the PC's Parallel port to control the internal reg-
isters so that all the possible software modes of the
CS8415A and CS8405A may be tested.
ORDERING INFORMATION
CDB8415A
CS8405A
(All Rights Reserved)
CDB8415A
Evaluation Board
Parallel port to PC
Optical Out
S/PDIF Out
AES 3 Out
JAN '00
DS470DB1
1

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Summary of Contents for Cirrus Logic Crystal CDB8415A

  • Page 1 AES 3 In AES 3 Out This document contains information for a new product. Preliminary Product Information Cirrus Logic reserves the right to modify this product without notice. Copyright  Cirrus Logic, Inc. 2000 JAN ‘00 P.O. Box 17847, Austin, Texas 78760...

  • Page 2: Table Of Contents

    (electronic, mechanical, photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus Logic website or disk may be printed for use by the user. However, no part of the printout or electronic files may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc.Furthermore, no part of this publication may be used as a basis for manufacture...

  • Page 3: Overview

    CDB8415A 1. OVERVIEW also choose to enable either the coaxial S/PDIF out- put or the XLR AES3 output. The CDB8415A evaluation board contains a CS8415A and a CS8405A and the supporting cir- Three Wire Serial Input and Output cuitry necessary for them to operate. The input and Jacks J32 and J51 are provided so the user may ac- output options include AES3 and S/PDIF in optical cess the three wire serial ports of the receiver and...

  • Page 4: Table 1. System Connections

    CDB8415A CONNECTOR INPUT/OUTPUT SIGNAL PRESENT Input +5 Volt Analog power +3.3V-5V Input +3.3 to 5.0 Volt Digital power Input Ground connection from power supply OPTICAL INPUT Input Digital Audio Interface optical input S/PDIF INPUT Input Digital Audio Interface coaxial input AES3 INPUT Input Digital Audio Interface XLR input...

  • Page 5: Cdb8415A.exe Quick Start Guide

    CDB8415A 2. CDB8415A.EXE QUICK START cluded DLLs msvcrt.dll and mfc42.dll into GUIDE your \Windows\System directory. 4) If desired, create a shortcut to CDB8415A.exe Setting up the hardware: on your desktop. 1) Check to make sure the flat three wire cable is At this point, you are ready to start up the software.

  • Page 6: Cdb8415A.exe User's Guide

    CDB8415A 3. CDB8415A.EXE USER’S GUIDE Clicking on the Advanced button at the lower right brings up the Advanced mode control panel. In Ad- Main Window vanced mode you may read and write hex values The CDB8415A Control Panel allows you to view into specified registers in either part.

  • Page 7: Figure 2. Cdb8415A Control Panel

    CDB8415A Figure 2. CDB8415A Control Panel Figure 3. CDB8405A Control Panel DS470DB1...

  • Page 8: Figure 4. Advanced Control Panel

    CDB8415A Figure 4. Advanced Control Panel DS470DB1...

  • Page 9: Figure 5. Parallel Port

    DIN_ENA .1uF 74HCT125 74HCT125 CLK_ENA 74HC125 4.7K .1uF 4.7K CDOUT DB25M_RA 4.7K 4.7K 4.7K .1uF DIN_LVL CDIN CLK_LVL AD0_CS1 /CS1 AD0_CS2 RESET /CS2 BAT85 74HCT574 74HCT125 CCLK _READ_SDA _LATCH Schottky Diodes 74HC125 74HCT125 BAT85 511K /RST R9 511 B3W_1100 .1uF 1uF 50V RESET 74HCT125...

  • Page 10: Figure 6. Power Supplies

    P6KE6.8A 100uF 6.3V .1uF FERRITE BEAD P6KE6.8A 100uF 6.3V .1uF BLACK Figure 6. Power Supplies...

  • Page 11: Figure 7. 8415A Receiver

    .01uF 47UH COPY ORIG /EMPH OPT1 /AUDIO HDR2X1 HDR6X2 HDR6X2 .1uF PHONO-JACK .01uF PHONO-JACK AES3/S/PDIF HDR2X1 HDR3X1 TRANSFORMER HDR2X1 .1uF STARTUP HDR3X1 .01uF PHONO-JACK HDR3X1 HDR2X1 S/PDIF S/PDIF HDR3X1 CON XLR_F 22pF HDR3X1 STARTUP CS8415_SPI HDR3X1 .1uF CDOUT CCLK STARTUP HDR3X1 CDIN /EMPH...

  • Page 12: Figure 8. Cs8405A Transmitter

    HDR3X1 COPY COPY HDR3X1 HDR3X1 ORIG ORIG /EMPH /EMPH HDR6X2 HDR3X1 HDR2X1 SFMT0 /AUDIO HDR2X1 R31 6.2K SFMT1 HDR3X1 HDR2X1 HDR3X1 OPT2 .1uF HDR3X1 SOFTWARE APMS CS8405_SPI TP29 TP30 TRANSFORMER TP31 TP32 HDR3X1 .1uF CDOUT CCLK TP33 TP34 R36 110 PHONO-JACK HARDWARE AES3...

  • Page 13: Figure 9. Silkscreen

    Figure 9. Silkscreen...

  • Page 14: Figure 10. Top Pcb

    Figure 10. Top PCB...

  • Page 15: Figure 11. Bottom Pcb

    Figure 11. Bottom PCB...

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