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Home
Networking
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The
need to share Internet access, digital information and computing
resources among PCs and other information appliances has sparked
consumer demand for Small Office Home Office (SOHO) networking solutions.
Designed and priced for this market, Conexant’s family of
home networking products answer this need.
We offer a family of cost effective/scalable network processors
that specifically target such applications as bridges, low-cost
routers, firewall-switching and broadband residential gateways.
Our family of Home Network physical layer devices address the emerging
“no new wires” initiative, HomePNA, HomePlug, and wireless
initiatives such as HomeRF. We also provide cost-effective combination
modems/networking solutions for the PC desktop and mobile markets. |
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Product |
Manufacturer |
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Small
Business & Consumer Networking |
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CX84200
Network Processor with Integrated Ethernet Switch |
Conexant |
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CX82100
Home Network Processor |
Conexant |
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CX82110
xDSL Ready Home Network Processor |
Conexant |
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CX8611x
High Performance Network Processor |
Conexant |
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Physical
Layer Subsystem |
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CX24611
HomePNA 2.0 Physical Layer Device |
Conexant |
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RS7112
Multifunction Controller |
Conexant |
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Development
Kits |
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CX82100 |
Conexant |
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CX82110 |
Conexant |
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Accelerator
Kits & Reference Designs |
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Personal
Firewall Accelerator Kit |
Conexant |
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Ethernet
to HomePNA 2.0 2-Port Bridge Reference Design |
Conexant |
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Ethernet
to HomePNA Bridge Accelerator Kit |
Conexant |
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Micro
Gateway Accelerator |
Conexant |
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5
Ports Router Accelerator Kit |
Conexant |
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HomePNA
2.0 Accelerator Kit |
Conexant |
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PCI
- HomePNA 2.0 Accelerator Kit |
Conexant |
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HomePNA
2.0 USB Accelerator Kit |
Conexant |
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Small
Business & Consumer Networking
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The
need to share Internet access, digital information and computing
resources among PCs and
other information
appliances has sparked consumer demand for Small Office Home Office
(SOHO) networking solutions. Designed and priced for this market,
Conexant's family of home networking products answer this need.
We offer a family of cost effective/scalable network processors
that
specifically target such applications as bridges, low-cost routers,
firewall-switching and broadband residential gateways. Our family
of Home Network physical layer devices address the emerging "no
new wires" initiative, HomePNA, HomePlug and wireless initiatives
such as HomeRF. We also provide cost-effective combination modems/networking
solutions for the PC desktop and mobile markets.
Home Network Processors
Conexant's family of Home Network Processor (HNP) products are designed
and priced with the small business and home networking user in mind.
The HNP series supports software functions to implement a variety
of complete networking system solutions including:
Shared Internet access via same connection
Printer/peripheral sharing
File and application sharing
Real-time multiplayer gaming
Home Phone Line Networking Alliance (HomePNA)
Founded in 1998 by Conexant and ten other major industry leaders,
the Home Phoneline Networking Alliance (PNA) is an industry
association formed to define a standard
for and drive the adoption of home networking over existing phone lines.
HomePlug Powerline Alliance (HomePlug)
HomePlug is a non-profit industry association founded in April 2000 by
Conexant and twelve other major industry leaders. The association is committed
to
fostering an open specification for home networking products and services
built to leverage
the worldwide pervasiveness of residential power lines. The market opportunity
for both of these standards, along with others, is growing as the number
of households with more than one computer increases. Consumers will want
to network multiple
electronic devices in their homes, sharing high-speed Internet access among
all their connected products for a wide range of applications including
voice telephony,
PC networks and gaming.
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CX84200 Network Processor with lntegrated
Ethernet Switch
Single-Chip Solution with Integrated Five-Port Ethernet Switch
Conexant’s broadband communications portfolio includes
a comprehensive suite of semiconductor solutions that enable
the
digital home and
information network. The Conexant CX84200 Network Processor supports
complete networking system solutions for a wide variety of mainstream
applications in the residential and SOHO environments. Based
on a 75 MHz ARM7TDMI, this Network Processor is a single-chip
solution
with an integrated switch that supports five 10/100 Mbps Ethernet
ports.

In a Broadband Gateway application, the CX84200 Network Processor
can provide Internet access sharing capability for multiple
PCs, while supporting Ethernet, HomePNA (Phoneline), HomePlug
(Powerline),
IEEE 802.11 and other LAN-side networking platforms. For WAN
access, the unit supports Ethernet connectivity interoperable
with any broadband
modem. It is the ideal platform for a configurable broadband
gateway design that needs to accommodate many diverse WAN/LAN
topologies.
The device complies with IEEE 802.3 specification and includes
five embedded DSP-based 10Base-T/100Base-TX transceivers. An
auto negotiation
function determines the selection of either the 10Base-T or
100Base-TX mode.
Typical applications would be a Wireless Home Gateway including
an Ethernet WAN port to connect to a Broadband modem, four
Ethernet
LAN ports and an 802.11b access connecting to any Wi-Fi compatible
device.
Features
5 Ethernet ports, 1 M I I
Embedded RISC CPU, 75MHZ ARM7TDMI
Embedded switch engine
- Store-and-forward operation
- Non-blocking, full line speed capability
- Full-duplex (IEEE802.3x)and half-duplex flow control (Back pressure)
- Two priorities CoS, set by port, VLAN tag, TCP/IP TOS and customised type
- 6 port grouping VLAN (overlappable)
- MIB counters
- Sharing dynamic data buffer management, embedded SSRAM
- MAC look-up table read/write-able
- MAC address level security
- Bandwidth control
- Hashing scheme:direct-map or XOR
Embedded 10/100BaseT/TX PHY
- DSP based design
- 10BASE-T/100BASE-TX IEEE 802.3u Compliant
- Digital Decision Feedback Equaliser
- Integrated Baseline Wander Correction
- LEDs provided per port
Flash interface (512Kx8,512Kx16 up to 1Mx16)
SDRAM interface (1Mx16x2 up to 4Mx16x2)
2 UART interface, one for the modem interface
GPIO pins
LAN /WAN bandwidth prioritised
Single 25MHz crystal input for network
2.5/3.3V, 0.25u CMOS process, 208-pin PQFP
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Click
on image to view larger
Gateway
- Here’s
a block diagram of a typical home gateway product. This will
allow multiple devices to share onebroadband TCP/IP connection.
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CX82100
Home Network Processor
(185 MIPS Processor Targeting Firewall Applications)

Conexant's CX82100 Home Network Processor (HNP) is a single-chip,
high-performance, ARM940T-based processor integrated with multiple
network interface hardware functions and packaged in a 196-pin
CABGA. This 185 MIPS processor supports software functions to implement
a wide variety of complete networking system solutions for small
business, SOHO and consumer networking applications. This network
processor is designed and priced for the small business and home
networking market. Other network processors, designed for commercial
applications, are not optimised for typical small business and
home networking applications, such as residential gateways, firewalls,
switches and bridges. The CX82100 will enable our customers to
develop and market cost-effective, high-performance products. In
addition to a 144 MHz ARM940T core, the processor includes a dedicated
high-speed program memory bus, a Universal Serial Bus (USB) port,
an expansion bus, various General Purpose Input/Output (GPIO's)
and timers and two 802.3 MACs. Combining these capabilities on
a single chip, the CX82100 provides a cost-effective solution for
residential gateways, firewalls and bridges.
Features
Single-chip, high-performance controller with integrated network
interfaces
- 185 MIPS ARM940T processor
- Advanced Microcontroller Bus (AMB)
Advanced Microcontroller Bus Architecture (AMBA) with two internal buses
Advanced System Bus (ASB)
Advanced Peripheral Bus (APB)
- 16K x 32 internal ROM
- 8K x 32 internal RAM
- External Memory Controller (EMC)
- Two identical 802.3 Ethernet Media Access
Controller (EMAC)
- USB interface
- General Purpose Input/Output (GPIO)
- Timers
- Interrupt Controller (INTC)
- Clock generators
ARM940T processor
- 144-MHz ARM9TDMI core
- Advanced Peripheral Bus (APB) interface
- Separate 4 KB instruction and 4 KB data caches
- Write-back cache scheme and write buffer optimise performance and minimise
ASB traffic
- Five-stage pipeline consisting of fetch, decode, execute, memory and write
stages
- "TrackingICE" mode allows a conventional In-Circuit Emulator (ICE)
mode of operation
Dual Media Independent Interface (MIIs) for any = MII-7W-compatible PHY
Host Interface Expansion Bus
Dedicated 100MHz Bus to program memory
Serial interface to EEPROM
JTAG interface
General-purpose I/O (GPIO) lines
196-pin CABGA
2 10/100 EMACs
Expansion Bus (802.11b, etc)
SDRAM Controller
USB 1.1 Slave Port
15 x 15mm 196FPBGA
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CX82110
xDSL Ready Home Network Processor
(xDSL Ready HNP Platform)
In an xDSL Residential Gateway (RG) application, the CX82110
HNP can provide Internet access sharing capability for multiple PCs,
and supports Ethernet, HomePNA, HomePlug and other LAN-side home
networking platforms. For the Wide Area Network (WAN) platforms,
the unit supports Asymmetric Digital Subscriber Line (ADSL), High-bit-rate
Subscriber Line (HDSL) and Symmetrical Digital Subscriber Line (SDSL).
It is the ideal platform for a configurable xDSL RG design that needs
to accommodate many diverse WAN/LAN topologies. The CX82110 is based
on an ARM940T with an AMBA, which defines two internal buses - the
ASB and the APB. The 32-bit ASB is a high-performance, pipelined
bus and connects multiple bus masters and supports internal interfaces
to the processor, on-chip memory, external memory controller and
DMA controller. The 64-bit APB connects peripheral interface blocks
to the ASB and is designed for minimal power consumption and reduced
complexity.
The device uses Conexant's ARM940T Harvard Load/Store Architecture
cached processor macrocell with the ARM9TDMI 32-bit RISC-based Core.
Separate instruction and data caches with a memory protection unit
allow the memory to be segmented and protected simply and efficiently.
The ARM940T uses a 5-stage pipeline and interfaces to the other CX82110
blocks using unified address and data bus that are compatible with
the AMBA bus architecture.
Features
ARM940T processor
- Advanced Microcontroller Bus Architecture (AMBA) with two internal buses
Advanced System Bus
Advanced Peripheral Bus
- 16k x 32 internal ROM
- 8k x 32 internal RAM
- External Memory Controller (EMC) for glueless fast SDRAM interface
- Two identical 10/100 Mbps IEEE 802.3 Ethernet Media
Access Controllers (EMACS) with MII/7-WS interfaces
- General Purpose Input/Output (GPIO)
- Timers
- Interrupt Controller (INTC)
- Clock generators
- ARM9TDMI Core
- Advanced System Bus (ASB) interface
- Advanced Peripheral Bus (APB) interface
- Separate 4KB instruction and 4kB data caches
- Write-back cache scheme and write buffer optimise performance and minimise
ASB traffic
- Five-stage pipeline consisting of fetch, decode, execute, memory and write
stages
- Tracking In-Circuit Emulator (ICE) mode allows a conventional ICE mode of operation
Host parallel expansion bus to flash ROM and other peripherals
Dual Media Independent Interface (MII) to flash ROM, xDSL datapumps and other
devices
Parallel interface to SDRAM/SRAM
Serial interface to xDSL data pump
JTAG interface
40 General Purpose I/O lines, including:
- 30 available for application use
- 6 available for applications use if optional signals for EEPROM, host parallel
expansion bus and clock are not used
- 3 dedicated to systems signals
224-pin CABGA |
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CX8611x High Performance Network Processor
Conexant's
broadband communications portfolio includes a comprehensive suite
of semiconductor solutions that enable the
digital home and information network. The Conexant CX86111/3
Network Processor supports complete networking system solutions
for a wide
variety of applications in the residential, commercial, SOHO
(small office/home office) and ROBO (remote office/branch office)
environments.
Based on an ARM926EJ-S processor, the CX86111/3 operates at 200-300
MHz, and is powerful enough for the most intensive applications,
yet sufficiently flexible to enable designs that can be leveraged
into many different products. Also included is an integrated
memory management unit (MMU) that supports major operating systems
such
as Linux, VxWorks and WindowsCE Net.
In a broadband gateway application, the CX86111/3 Network Processor
can provide Internet access sharing for multiple PCs, while supporting
Ethernet, HomePNA, HomePlug, IEEE 802.11 a/b/g, USB, and other
LAN-side networking and connectivity platforms. Two Ethernet
Media Access
Controllers (EMACs) are integrated into the chip providing a
cost-effective solution for any gateway application.
For WAN access, the CX86111/3 Network Processor supports Ethernet
connectivity, as well as xDSL. It is the ideal platform for a
configurable broadband gateway design that can accommodate many
diverse WAN/LAN
topologies. The CX86113 has advanced serial and VoIP (Voice over
Internet Protocol) capabilities. It can support up to four lines
with G.7xx protocols running on Conexant voice coprocessors.
Both a VoIP phone and a VoIP gateway can be easily designed using
the
CX86113.
The CX86111/3 supports high-speed secure virtual private network
(VPN) implementations, with a triple data encryption standard
(3DES) designated hardware engine that accelerates IP security
protocol
(IPSEC) implementations performance. CX86111/3 is a highly flexible
solution due to its support for various bus technologies.
The CX86111/3 is based on the Advanced Microcontroller Bus Architecture
(AMBA 2.0) with two internal buses - the Multi-layer Advanced
Host Bus (AHB) and the Advanced Peripheral Bus (APB). The Multi-layer
AHB is a high-performance bus that connects multiple bus masters
and supports internal interfaces with an ARM926 processor, on-chip
memory, external memory controller, DMA controller and USB Host.
The APB connects peripheral interface blocks to the AHB.
Conexant's home networking products include network processors
and LAN solutions for residential gateway architecture supporting
bridging,
routing, security and wireless functionality. Our home network
processor products service the entire spectrum of broadband access
applications
from basic data connectivity to advanced, high speed and secure
voice and data networks.

Features
Supports various operating systems including VxWorks, Linux, WindowsCE
Net and eCos
Supports high-speed secure VPN implementations
PCI host for a wide range of applications including the 802.11a/b/g
wireless
protocols
USB host for connecting to peripherals such as a digital camera,
printer and
scanner (CX86113 only)
Advanced serial and VoIP capabilities
USB device for additional LAN connectivity
CX86111 - 200 MHz processor in a 256-pin FPBGA package
CX86113 - 300 MHz processor in a 324-pin FPBGA package
ARM926EJ -S Processor
Up to 300 MHz operation
MMU support enables Linux and WinCE
Separate 16 KB instruction and 16 KB data caches
Separate 16 KB instruction and 8 KB data TCMs
Tracking ICE mode allows a conventional ICE (in-circuit emulator)
mode of
operation
Java Accelerator
Internal Architecture
Advanced Microcontroller Bus Architecture (AMBA 2.0) with two internal
bus
- Multi-Layer Advanced Host Bus (AHB)
- Advanced Peripheral Bus (APB)
64 KB internal RAM
32 KB internal ROM
PCI Host/Bridge interface
Internal Architecture (cont.)
3DES hardware engine
External memory controller (EMC) with fast SDRAM interface addressing up to
128 Mb
High speed (1.5 Mbps) UART
Standard (115 kbps) UART |
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Physical
Layer Subsystems
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CX24611
10 Mbps HomePNA 2.0 Physical Layer Device
Conexant's CX24611 is a next-generation home networking solution
that uses existing telephone lines to connect multiple PCs, peripherals
and other devices. This solution complies with the HomePNA 2.0 specification
and supports 10 Mbps operation - offering speeds comparable with
10BaseT Ethernet, without the expense or effort of installing additional
network wiring. The CX24611 is the first single-chip home networking
PHY with an Analogue Front End (AFE) that can be easily integrated
into a variety of devices including Digital Subscriber Line (DSL)
and cable modems, residential gateways, firewalls, routers, switches,
PCs and embedded products such as Internet and multimedia appliances.
Packaged as a 100-pin Twin Quad Flat Pack (TQFP), the device implements
receiver and transmitter functions for HomePNA 2.0. The CX24611 features
a Media Independent Interface (MII) that provides superior flexibility
for system manufacturers, allowing them to integrate home networking
functionality into any device with an IEEE 802.3 MAC. This device
is a significant building block for the digital home. |
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RS7112
Multifunction Controller
The RS7112 multifunction Ethernet controller presents a simple
way to network PCs and peripherals in the home while sharing Internet
access. This highly integrated, low-cost and feature-rich solution
combines Conexant's experience with multifunction Ethernet controllers
and high-speed dial-up modems. The single-chip RS7112 supports HomePNA
1.0. The HomePNA phoneline network utilises existing telephone wiring
to connect computers and devices without interrupting phone service.
The RS7112 incorporates all IEEE 802.3 MAC functions, complete buffer
management, the (MII), 7-wire serial interface and a Flash ROM interface.
Additionally, the RS7112 supports both Conexant's HCF and HSF modems,
providing superior system flexibility. |
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Development
Kits
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Development
Kits are for customers that want more flexibility and customisation
capabilities. Typically development kit customers will need to
have a complete development environment that is operating system
dependent. Currently our CX821XX development kits are based on
WindRiver VxWorks OS. |
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CX82100
HNP Development Kit
This kit provides a development platform for designing residential
gateway products using the CX82100-11 processor. The development
board plus two Ethernet PHY daughter boards are included, plus a
5-volt, 2-amp universal wall plug power supply, documentation CD,
BSP software license agreement and a user's guide. |
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CX82110
xDSL Ready HNP Development Kit
This development platform allows for the design of broadband and
residential gateway products all in the same system. The kit includes
the development board with the CX82110 processor, two Ethernet PHY
daughter boards, a 12-volt, 2.5-amp universal power supply, documentation
CD and a user's guide. The universal nature of this kit enables customers
to develop a variety of applications through a collection of daughter
boards that are either available or in development such as: ADSL,
SDSL, VoIP, 10/100 PHY, HomePNA 2.0, HomePlug 1.0, 802.11b PC/Printer
Server and others.
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