CS8427-IZ Ver la hoja de datos (PDF) - Cirrus Logic
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CS8427-IZ Datasheet PDF : 59 Pages
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CS8427
96 kHz Digital Audio Interface Transceiver
Features
z Complete EIAJ CP1201, IEC-60958, AES3,
S/PDIF compatible transceiver
z +5.0 V Analog Supply (VA+)
z +3.3 V or +5.0 V Digital Interface (VL+)
z Flexible 3-wire serial digital I/O ports
z Adjustable sample rate up to 96 kHz
z Low jitter clock recovery
z Pin and microcontroller read/write access to
Channel Status and User data
z Microcontroller and standalone modes
z Differential cable driver and receiver
z On-chip channel status and user data buffer
memories permit block reads & writes
z OMCK system clock mode
z Decodes Audio CD Q sub-code
General Description
The CS8427 is a stereo digital audio transceiver with
AES3 and serial digital audio inputs, AES3 and serial
digital audio outputs, along with comprehensive control
ability through a 4-wire microcontroller port. Channel sta-
tus and user data are assembled in block sized buffers,
making read/modify/write cycles easy.
A low jitter clock recovery mechanism yields a very clean
recovered clock from the incoming AES3 stream.
Target applications include A/V receivers, CD-R, DVD
receivers, multimedia speakers, digital mixing consoles,
effects processors, set-top boxes, and computer and au-
tomotive audio systems.
ORDERING INFORMATION
CS8427-CS
CS8427-CZ
CS8427-IS
CS8427-IZ
CDB8427
28-pin SOIC -10 to +70°C
28-pin TSSOP -10 to +70°C
28-pin SOIC -40 to +85°C
28-pin TSSOP -40 to +85°C
Evaluation Board
I
VA+ AGND FILT RERR RMCK
VL+ DGND
ILRCK
ISCLK
SDIN
Serial
Audio
Input
Serial
Audio
Output
OLRCK
OSCLK
SDOUT
RXP
RXN
Receiver
Clock & AES3
Data
S/PDIF
Recovery Decoder
C & U bit
Data
Buffer
AES3
S/PDIF
Encoder
Driver
TXP
TXN
Misc.
Control
Control
Port &
Registers
Output
Clock
Generator
H/S RST
www.cirrus.com
EMPH U TCBL SDA/ SCL/ AD1/ AD0/ INT
CDOUT CCLK CDIN CS
OMCK
Copyright © Cirrus Logic, Inc. 2004
(All Rights Reserved)
JAN ‘04
DS477F1
1
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