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It's show time for Infineon

Posted: 16 Jul 2002 ?? ?Print Version ?Bookmark and Share

Keywords:broadband? easyport? cmos? serdes? oc192?

Infineon Technologies AG is unveiling a slew of broadband access and 10Gb optical ICs that the company believes will demonstrate its one-stop-shopping capability for line-card and access devices.

That includes the EasyPort 64b communications processor with extensive packet-processing and ATM cell-processing functionality, as well as the low-power, all-CMOS TenGiPHY XAUI-to-serial transceivers for 10Gb networking.

The company will also announce the Titan 768MD single-chip interface converter, which complies with both the serdes framer interface Level 4 (SFI-4) and Level 5 (SFI-5) specifications for OC-192 (10Gbps) and OC-768 (40Gbps) optical data rates, respectively.

The EasyPort processor rounds out the company's suite of broadband wireline-access offerings from the central office to the customer premises, said Ilan Bluvstein, senior marketing manager of Infineon North America's Access Division. Based on the MIPS64 5Kc processor, the controllers are designed for anything from a combination of multimedia, data and voice Internet and router device up to a multifunction ATM and IP-based application.

Separate planes

"A key aspect of the EasyPort's design is how we separated the control plane [MIPS processor] from the data plane," said Bluvstein. "We believe that this is necessary in going forward as data rates and processing requirements increase."

Bluvstein was referring to the use of coprocessors to perform voice, ATM-cell and packet processing, thereby allowing the MIPS processor to focus on the control functions for which it was intended. The coprocessors are supported by their own internal bus structure.

The first four ICs in the series are the EasyPort-100/200 processors for data only and the EasyPort-V100 and V200 voice-data processors. Common architectural features of all versions include the embedded-processor subsystem, ATM-cell processing with extensive quality-of-service features, packet-processing subsystem with an Ethernet media-access controller and high-level data link controllers, USB, dedicated direct-memory access and ATM Adaptation Layer 5.

Features of the integrated voice/data platforms include an AAL2 controller, a synchronous serial interface for control of companion subscriber line interface circuit devices and up to 32 HDLC accelerators. The 200MHz versions add a second pin-programmable Ethernet/MII port.

Multiple uplinks are supported, including traditional T1/E1 framers, standardized xDSL transceivers, as well as the company's own high-speed 10 Base S Ethernet over very high-data-rate DSL technology. When used in combination with Vinetic, Infineon's voice-over-packet/voice-over-cell technology, the platform supports up to 32 voice channels.

The TenGiPHY XAUI-to-serial transceivers, meanwhile, target 10Gb Ethernet line cards and come in two versions. The TenGiPHY-W is aimed squarely at WANs, while the TenGiPHY-L addresses LAN applications.

The devices are based on a 0.135m CMOS process and are both intended for use within Xenpak or XPAK fiber-optic modules for 10Gb Ethernet line cards, Ethernet backbones in local and metro networks, storage-area network interface cards and terabit routers.

However, it's in MAN applications that Infineon sees the greatest opportunity, said Subodh Toprani, general manager and vice president of Infineon's Optical Networking Division. "The access networks and long-haul/backbone networks are already well capable of handling increased traffic," he said. "But the MAN remains a bottleneck going forward and that's where we see the greatest opportunity."

The TenGiPHY devices complement the company's existing 10-G laser diode driver and transimpedance amplifier to round out the line-card offering for a complete solution.

? Patrick Mannion

EE Times

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