Product Datasheet 2.1.1
Conan® OCC8001-02
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Fully compliant with D2B Mode0
Protocol
4.2336Mbps source data rate
(equivalent to 3 x 16bit stereo
audio channels)
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Integration of source and control
data
Multiple source data channels
SPDIF audio port
I2C and SPI compatible control
port
Flexible source data routing
Electrical Bypass
RX
SR0
SR1
Network Receiver
Transmitter
TX
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Source Data In 0
SPDIF In
Source Data Out 0
SPDIF Out
SX0
SX1
SX2
Source
Data
Router
Source Data In 1
Source Data In 2
Oscillator
Source Data Out 1
Source Data Out 2
Audio Sync
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SR2
XTO
Implements
all
low-level
communication tasks:
RMCK
FSY
SCK
Clock Manager
Control Unit
PLL
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Communication Protocol (sub-
frames, synchronisation,...)
XTI
FILT
VREF
/RST
Communication
Management
VDDD
GNDD
VDDA
GNDA
I2C/SPI Interface
Control Port
(CRC, ACK, NAK, retries,...)
Transparent channels
For SPI /CS SDIN
For I2C : AD1 AD0
SDOUT SCL
SDA SCL
/INT ERROR SER IN SER OUT
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Easy hardware and software
implementation
Few external components
required
Block Diagram
THE D2B PROTOCOL
CONAN® - OCC8001-02
The Digital Data Bus (D2B) is a
networking protocol for automotive
multimedia data communication
integrating digital audio, video and
other high data rate synchronous or
asynchronous signals, with the
The OCC8001-02 transceiver is a pin
compatible
OCC8001-01
successor
with
of
the
identical
functionality, featuring decreased
power and reduced EMI
control
data
for
network
The CONAN® is an advanced CMOS
device which enhances network
design by integrating source data
routing and communication protocol
management protocols and APIs.
The protocol enables robust single
cable
interconnection
and
compatible interoperation of in-car
AV multimedia and ITS devices, such
as Radio Head Units, CD Changer,
CD-ROM, GPS Navigation, Voice
Control, Car Telephones, TV and
others.
management.
source data channels via common
serial interface standards,
handles
multiple
CONTROL PORT
Device control is handled via the
control
port,
which
can
be
configured as either an I2C or SPI
compliant interface. The choice of
interface is specified during hardware
resets.
LCD DISPLAY
MOBILE
TELEPHONE
RADIO
HEAD-UNIT
NETWORK INTERFACE
GPS ENGINE
DVD PLAYER
Data is organized in frames which are
transmitted at the system sampling
frequency. Frames contain source
and control information and are
further divided into sub-frames of 8
bytes fields. At the physical level, data
is transferred as serial bits with bi-
phase encoding.
VOICE I/O
DSP AMPLIFIER
VEHICLE
EMERGENCY
CD-CHANGER
SYSTEM (VEMS)
FIXED TELEPHONE
HANDSET