CX24943 Conexant Systems, Inc., CX24943 Datasheet

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CX24943

Manufacturer Part Number
CX24943
Description
MODEM, Cable, 3.3V|5V, Single Chip, 228PBGA
Manufacturer
Conexant Systems, Inc.
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
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CX24943-15P
Manufacturer:
SANYO
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Manufacturer:
CONEXANT
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TI
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Single-Chip Cable Modem lC
with Dual Software Programmable
Network-Processing Engines
Conexant’s Next Generation Cable
Modem Solution Offers a Higher Level
of Integration, Increased Performance,
and Lower Power Dissipation
The InfoSurge™ family of products, supporting broadband
cable modem applications, presents the industry with yet
another example of Conexant’s ability to exceed the needs
of a growing market segment. The CX24943, Conexant’s next
generation single-chip cable modem IC, reduces the cost of
consumer premise equipment (CPE) by providing a highly
integrated, robust and flexible solution.
The CX24943 leads the industry in cost-effectiveness through
its high level of integration, advanced process technology,
extremely small package and low power consumption. It offers
a dual software programmable network-processing engine
architecture, allowing for real-time-critical packet management
processing for superior performance. The software programma-
bility of this architecture accommodates application specific
requirements, worldwide standards, and manufacturers’ unique
value added features, for maximum flexibility. The CX24943 is
software compatible with its predecessor, the CN9414.
A multitude of interfaces are integrated into the chip, including
an embedded IEEE 802.3 Media Access Controller (MAC) with a
Media Independent Interface (MII), a USB 1.1 communications
transceiver, and a host interface. The CX24943 supports internal
and external PC cable modems, home networking gateway
products, IP (Internet Protocol) telephony products, and digital
set-top boxes.
C X 2 4 9 4 3
d i g i t a l
• High level of integration
• Dual software programmable
• 225 MHz system processor
• Less than 500 mW typical power dissipation
• Support for DOCSIS 1.0/1.1, EuroDOCSIS
• Direct IF sampling at 44 and 36 MHz
• Integrated A/Ds and D/As
• Embedded IEEE 802.3 MAC with MII
• 12 Mb USB 1.1 communications transceiver
• Support for home networking standards
D i s t i n g u i s h i n g F e a t u r e s
network-processing engines
1.0/1.1, DVB and Proprietary Standards
and VoIP
i n f o t a i n m e n t
p r o d u c t s

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CX24943 Summary of contents

Page 1

... The software programma- bility of this architecture accommodates application specific requirements, worldwide standards, and manufacturers’ unique value added features, for maximum flexibility. The CX24943 is software compatible with its predecessor, the CN9414. A multitude of interfaces are integrated into the chip, including an embedded IEEE 802 ...

Page 2

... The CX24943 dissipates less than 500mW of power, setting a new standard for the industry. The CX24943, through its high level of integration, enables manufacturers to achieve cost targets unparalleled in the industry. The additional components required to develop a complete cable modem are minimal as shown in the CX24943-based Cable Modem block diagram ...

Page 3

... CX24943 Single-Chip Cable Modem IC block diagram The CX24943 is the fastest solution in the industry with integrated dual software programmable network-processing engines on board. Its unique packet management, unified memory architecture, and advanced system buses, maximize performance by allowing segmentation of real-time-critical DOCSIS/EuroDOCSIS 1.0/1.1 functions from non real-time-critical application processes. The CX24943’ ...

Page 4

... CX24943-based Cable Modem block diagram. In addition, the architectural similarities between the CX24943 and its predecessor, the CN9414, allows for maximum reuse of certified code. The CX24943 provides the option to adapt to a multitude of standards by downloading different software into the Product Features Cable PHY Downstream Cable MAC Network Processor • ...

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