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PDF CDB4339 Data sheet ( Hoja de datos )

Número de pieza CDB4339
Descripción (CDB4334 - CDB4339) Evaluation Board
Fabricantes Cirrus Logic 
Logotipo Cirrus Logic Logotipo



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CDB4334/8/9
Evaluation Board for CS4334/8/9 Family of Products
Features
l Demonstrates recommended layout and
grounding arrangements
l CS8414 Receives AES/EBU, S/PDIF, &
EIAJ-340 Compatible Digital Audio
l Digital and Analog Patch Areas
l Requires only a digital signal source and
power supplies for a complete Digital-to-
Analog-Converter system
Description
The CDB4334/8/9 evaluation board is an excellent
means for quickly evaluating the CS4334/8/9 family of
24-bit, stereo D/A converters. Evaluation requires an an-
alog signal analyzer, a digital signal source and a power
supply. Analog outputs are provided via RCA connectors
for both channels.
The CS8414 digital audio receiver I.C. provides the sys-
tem timing necessary to operate the Digital-to-Analog
converters and will accept AES/EBU, S/PDIF, and EIAJ-
340 compatible audio data. The evaluation board may
also be configured to accept external timing signals for
operation in a user application during system
development.
ORDERING INFORMATION
CDB4334, CDB4338, CDB4339
I/O for
Clocks
and Data
CS8414
Digital
Audio
Interface
CS4334/38/39
Analog
Filter
Preliminary Product Information
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright © Cirrus Logic, Inc. 1998
(All Rights Reserved)
AUG ‘98
DS248DB2
23

1 page




CDB4339 pdf
CDB4334/8/9
JUMPER
CSLR/FCK
M0
M1
M2
M3
PURPOSE
Selects channel for CS8414
channel status information
CS8414 mode selection
SCLK
Selects SCLK Mode
DEM_8414
HDR1-6
MCLK
Left Channel
Filter
Right Channel
Filter
Selects source of de-emphasis
control
Selects source of clocks and
audio data
Selects High-Rate or Base-Rate
Modes
Selects Active 3-pole or passive
single-pole filter
Selects Active 3-pole or passive
single-pole filter
POSITION
HI
LO
*High
*Low
*High
*Low
INT
*EXT
*8414
DEM
*8414
EXT
x1
÷2
Active
Passive
Active
Passive
FUNCTION SELECTED
See CS8414 Datasheet for details
See CS8414 Datasheet for details
Internal SCLK Mode
External SCLK Mode
CS8414 de-emphasis
De-emphasis input static high
Selects CS8414 as source
Digital I/O header becomes an source
Selects Base Rate Mode
Selects High Rate Mode
Selects 3-pole active filter
Selects Single-pole passive filter
Selects 3-pole active filter
Selects Single-pole passive filter
*Default setting from factory
Notes:
The CS8414 data format requires the CS4338 to operate in the external serial clock mode.
Table 3. CDB4338 Jumper Selectable Options
JUMPER
CSLR/FCK
M0
M1
M2
M3
PURPOSE
Selects channel for CS8414
channel status information
CS8414 mode selection
SCLK
Selects SCLK Mode
DEM_8414
HDR1-6
MCLK
Left Channel
Filter
Right Channel
Filter
Selects source of de-emphasis
control
Selects source of clocks and
audio data
Selects High-Rate or Base-Rate
Modes
Selects Active 3-pole or passive
single-pole filter
Selects Active 3-pole or passive
single-pole filter
POSITION
HI
LO
*Low
*High
*High
*Low
INT
*EXT
*8414
DEM
*8414
EXT
x1
÷2
Active
Passive
Active
Passive
FUNCTION SELECTED
See CS8414 Datasheet for details
See CS8414 Datasheet for details
Internal SCLK Mode
External SCLK Mode
CS8414 de-emphasis
De-emphasis input static high
Selects CS8414 as source
Digital I/O header becomes an source
Selects Base Rate Mode
Selects High Rate Mode
Selects 3-pole active filter
Selects Single-pole passive filter
Selects 3-pole active filter
Selects Single-pole passive filter
*Default setting from factory
Table 4. CDB4339 Jumper Selectable Options
DS248DB2
27

5 Page





CDB4339 arduino
CDB4334/8/9
8414
EXTERNAL
CLK SOURCE
HDR1X3
HDR6
MCLK
SCLK
LRCK
SDATA
VD+5
U4
74HC243
GND
7
B4
8 B3
9 B2
10 B1
11
VCC
14
A4
A3
A2
A1
GBA
/GAB
6
5
4
3
13
1
VD+5
C24
.1UF
GND
Figure 10. I/O for Clocks and Data
9 10
78
56
34
12
J9
HDR5X2
MCLK
SCLK
LRCK
SDATA
GND
DIGITAL I/O
DS248DB2
33

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