CDB8427 Cirrus Logic Inc, CDB8427 Datasheet - Page 2

• Manufacturer Part Number: CDB8427
• Description: EVALUATION BOARD FOR CS8427
• Manufacturer: Cirrus Logic Inc

Specifications of CDB8427

• Main Purpose: Audio, Sample Rate Converter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS8427
• Primary Attributes: Sample Rate Converter with Digital Audio Transmitter and Receiver
• Secondary Attributes: 48 kHz Output Sample Rates, AES/EBU, S/PDIF, EIAJ-340, GUI
• Product: Audio Modules
• Silicon Manufacturer: Cirrus Logic
• Silicon Core Number: CS8427
• Kit Application Type: Communication & Networking
• Application Sub Type: Digital Audio Transceiver
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1783

TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
2
Contacting Cirrus Logic Support
For a com plete listing of D irect S ales, D istributor, and Sales R epresentative contacts, visit the C irrus Logic w eb site at:
http://www.cirrus.com /corporate/contacts/sales.cfm
IM P O R TAN T NO TIC E
“P relim inary” product inform ation describes products that are in production, but for which full characterization data is not yet available. “A dvance” product infor-
m ation describes products that are in developm ent and subject to developm ent changes. C irrus Logic, Inc. and its subsidiaries (“C irrus”) believe that the infor-
m ation contained in this docum ent is accurate and reliable. H ow ever, the inform ation is subject to change w ithout notice and is provided “A S IS” w ithout w arranty
of any kind (express or im plied). C ustom ers are advised to obtain the latest version of relevant inform ation to verify, before placing orders, that inform ation being
relied on is current and com plete. A ll products are sold subject to the term s and conditions of sale supplied at the tim e of order acknow ledgm ent, including those
pertaining to w arranty, patent infringem ent, and lim itation of liability. No responsibility is assum ed by C irrus for the use of this inform ation, including use of this
inform ation as the basis for m anufacture or sale of any item s, or for infringem ent of patents or other rights of third parties. This docum ent is the property of Cirrus
and by furnishing this inform ation, C irrus grants no license, express or im plied under any patents, m ask w ork rights, copyrights, tradem arks, trade secrets or
other intellectual property rights. C irrus owns the copyrights of the inform ation contained herein and gives consent for copies to be m ade of the inform ation only
for use w ithin your organization w ith respect to C irrus integrated circuits or other parts of C irrus. This consent does not extend to other copying such as copying
for general distribution, advertising or prom otional purposes, or for creating any w ork for resale.
A n export perm it needs to be obtained from the com petent authorities of the Japanese G overnm ent if any of the products or technologies described in this m a-
terial and controlled under the “Foreign E xchange and Foreign Trade Law ” is to be exported or taken out of Japan. A n export license and/or quota needs to be
obtained from the com petent authorities of the C hinese G overnm ent if any of the products or technologies described in this m aterial is subject to the PR C Foreign
Trade Law and is to be exported or taken out of the P R C .
C E RTA IN A PP LIC A TIO N S U SIN G S EM IC O N DU C TO R P R O D U CTS M A Y IN V O LV E P O TE N TIAL R IS KS O F D EA TH , P ER S O N AL IN JU R Y , O R S EV E RE
P R O PE R TY O R EN V IR O N M E N TA L DA M A G E (“C R ITIC A L A P PLIC ATIO N S ”). C IR RU S P R O D U C TS A R E N O T DE S IG N E D, A UTH O R IZE D , O R W A R R A NT-
E D TO B E S UITA BLE FO R U S E IN LIFE -S U PP O R T D EV IC E S O R SY S TE M S O R O TH E R C R ITIC A L A P PLIC ATIO N S . IN C LU SIO N O F C IR R U S PR O D U C TS
IN S U C H AP P LIC ATIO N S IS U ND E R STO O D TO BE FU LLY A T TH E C U S TO M E R 'S R ISK .
C irrus Logic, C irrus, and the C irrus Logic logo designs are tradem arks of Cirrus Logic, Inc. A ll other brand and product nam es in this docum ent m ay be trade-
m arks or service m arks of their respective ow ners.
1. OVERVIEW ............................................................................................................................... 3
2. CDB8427.EXE QUICK START GUIDE .................................................................................... 4
3. CDB8427.EXE USER'S GUIDE ................................................................................................ 6
Figure 1. CDB8427 Control Panel Main Window ............................................................................ 6
Figure 2. Board Setup Panel ........................................................................................................... 7
Figure 3. CS8427 Digital Audio Transceiver ................................................................................... 9
Figure 4. Atmel AVR RISC Microcontroller ................................................................................... 10
Figure 5. Power Supplies and Reset Circuit.................................................................................. 11
Figure 6. Silkscreen....................................................................................................................... 12
Figure 7. Top PCB......................................................................................................................... 13
Figure 8. Bottom PCB ................................................................................................................... 14
Table 1. System Connections ......................................................................................................... 5
Table 2. CDB8427 Jumper Settings................................................................................................ 5
Table 3. Script file syntax description.............................................................................................. 7
1.1 CS8427 .............................................................................................................................. 3
1.2 Microcontroller and Memory .............................................................................................. 3
1.3 Crystal Oscillators .............................................................................................................. 3
1.4 RS232 Port ........................................................................................................................ 3
1.5 LED Function Indicators ..................................................................................................... 3
2.1 Setting up the Hardware .................................................................................................... 4
2.2 Installing the Software ........................................................................................................ 4
2.3 Starting up the Software .................................................................................................... 4
2.4 Starting up the Hardware ................................................................................................... 4
3.1 Main Window ..................................................................................................................... 6
3.2 Board Setup ....................................................................................................................... 7
3.3 Script file syntax ................................................................................................................. 7
CDB8427