digital
infotainment
products
Single-Chip Cable Modem lC
with Dual Software Programmable
Network-Processing Engines
CX24943
Conexant鈥檚 Next Generation Cable
Modem Solution Offers a Higher Level
of Integration, Increased Performance,
and Lower Power Dissipation
The InfoSurge鈩?family of products, supporting broadband
cable modem applications, presents the industry with yet
another example of Conexant鈥檚 ability to exceed the needs
of a growing market segment. The CX24943, Conexant鈥檚 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鈥?unique
value added features, for maximum flexibility. The CX24943 is
software compatible with its predecessor, the CN9414.
Distinguishing Features
鈥?High level of integration
鈥?Dual software programmable
network-processing engines
鈥?225 MHz system processor
鈥?Less than 500 mW typical power dissipation
鈥?Support for DOCSIS 1.0/1.1, EuroDOCSIS
1.0/1.1, DVB and Proprietary Standards
鈥?Direct IF sampling at 44 and 36 MHz
鈥?Integrated A/Ds and D/As
鈥?Embedded IEEE 802.3 MAC with MII
鈥?12 Mb USB 1.1 communications transceiver
鈥?Support for home networking standards
and VoIP
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.
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