CS4327 Datasheet, PDF (24/36 Pages) Cirrus Logic – Low Cost, 20-Bit, Stereo, Audio D/A Converter

CDB4327
CONNECTOR
+5V
+/- 12V
GND
Digital input
Optical input
J1
AOUTL
AOUTR
INPUT/OUTPUT
input
input
input
input
input
input/output
output
output
SIGNAL PRESENT
+5 Volts for the CS4327, CS8412, and digital
section
+/- 12 Volts for analog filter section
ground connection from power supply
digital audio interface input via coax
digital audio interface input via optical
I/O for system clocks and digital audio data
left channel analog output
right channel analog output
Table 1. System Connections
JUMPER
CSLR/FCK
Clock Select
J22
J23
M0
M1
M2
M3
auto_mute
PURPOSE
Selects channel for
CS8412 channel status
information
Selects source of system
clocks and data
Selects MCLK as
input or output
CS8412 mode select
CS4327 Auto Mute
DEM0
DEM1
DIF0
DIF1
SCLK
De-emphasis select
CS4327 digital input
format
CS4327 SCLK Mode
DEM_8412
Selects source of de-
emphasis control
* Default setting from factory
POSITION
L
R
*8412
EXT
0
1
*Low
*Low
*Low
*Low
*Low
High
*High
*Low
*Low
*High
*INT
EXT
*Low
High
FUNCTION SELECTED
See CS8412 data sheet for details
CS8412 clock/data source
External clock/data source
See Input/Output for Clocks and
Data section of text
See CS8412 data sheet for details
On
Off
See CS4327 data sheet for details
set for 44.1 kHz
See CS4327 data sheet for details
Internal SCLK Mode
External SCLK Mode
CS8412 de-emphasis
De-emphasis input static high
Table 2. CDB4327 Jumper Selectable Options
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DS190DB1