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CS4961XX Fiches technique(PDF) 1 Page - Cirrus Logic

No de pièce CS4961XX
Description  New Audio System Processors are Ideal for Digital Audio Networking Applications
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Fabricant  CIRRUS [Cirrus Logic]
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Logo CIRRUS - Cirrus Logic

CS4961XX Fiches technique(HTML) 1 Page - Cirrus Logic

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22 mm
IC dimensions
(pin-to-pin nominal)
144-pin LQFP
22 mm
Combines CobraNet technology with
a powerful 32-bit DSP core
Integration reduces overall system costs
Simplifies overall system design effort
2x2, 8x8, 16x16 channel ICs
Supports 48 kHz and up to 96 kHz
sample rates
Selectable latency of 1.33, 2.66, or
5.33 ms across network
32-bit synchronous serial digital audio I/O
Parallel host control
Asynchronous serial control transport
Available in 144-pin LQFP
120 MIPS DSP on programmable core
Audio may be processed from network
or local inputs and sent to local outputs
or to the network
New Audio System Processors are Ideal for Digital Audio Networking Applications
Highly Integrated Family Combines CobraNet Interface with Powerful Audio DSP Engine to
Dramatically Reduce Overall Audio System Costs
The new CS4961xx family of ICs integrates
Cirrus Logic’s highly regarded audio digital
signal processor (DSP) with Cirrus Logic’s
award-winning CobraNettechnology, which
is the leading standard for delivering real-time,
uncompressed digital audio over Ethernet
networks. The results are highly optimized
audio system processors that offer dramatic
system cost savings and enhanced audio
processing features for manufacturers of
professional, commercial and consumer
networked-audio products.
The CS4961xx audio system processors, which
include the CS496102, the CS496112 and the
CS496122, reduce system costs because they
allow for the removal of a separate, dedicated
audio DSP on the board design. This 32-bit
fixed-point DSP core features 120 MIPS for
custom programming and these three ICs
provide 2, 8 or 16 simultaneous channels of
audio input and output at up to 96 kHz sample
rates. They also provide multiple 16, 20 or
24-bit audio connections across an Ethernet
network. In fact, two-way audio control and
monitoring is possible at any point along
the network.
Featuring a high-speed parallel host port
interface, the CS4961xx allows optional
connection to a host processor as well as
offering Ethernet-based control, monitoring,
and management via industry standard SNMP.
Firmware can be easily updated over Ethernet
using TFTP or via the host interface. Additional
control and monitoring functions are also pro-
vided by the innovative, built-in asynchronous
and packet-bridge functions.
The ICs are designed to expand the market
for CobraNet-enabled networked digital audio
products such as power amplifiers, mixers,
signal processors, intercom systems, ceiling
speakers, loudspeakers, paging systems, and
high-end networked consumer audio gear.
Full-featured DSP assembler and linker
Includes Cirrus Logic’s DSP Conductor
software, a graphical audio-oriented
development environment, for easy
adjustments to DSP Parameters
Integrated target management and
code download
Real-time control of DSP parameters
over the audio network
Example DSP code and tutorials
Microkernel handles all audio I/O and
DSP parameter control
Available as low-cost ICs without licensing
or royalty fees
CobraNet technology can coexist with data
traffic over existing Ethernet networks,
saving money by eliminating additional
infrastructure costs
De-facto industry standard with tens-of-
thousands of installed nodes in high-profile
“mission-critical” venues worldwide
Networked audio, control and monitoring
Uses SNM P for control and monitoring
(computer-network friendly)
Incorporates multiple fault-tolerant features
Ability to send audio from any CobraNet
interface to any other – unlimited addressing,
unlimited capacity
CS4961xx Features
Software Development Kit
CobraNet Technology Advantages

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