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NEC and VoicePump Announce Joint Reference Design for Toll-Quality, Cost-Effective Voice Over DSL Solutions

TOKYO and PALO ALTO, Calif., Feb. 26 /PRNewswire/ -- NEC Corporation (NEC) (Nasdaq: NIPNY; FTSE: 6701q.l; Toronto: 6701) with its semiconductor arm in the United States, NEC Electronics Inc., and VoicePump Inc., a DSP Group (Nasdaq: DSPG - news) subsidiary, today announced the joint development of a complete turnkey reference design for Integrated Access Devices (IADs) supporting Voice over Digital Subscriber Line (VoDSL) applications. The VoDSL501 reference design will allow customers to quickly bring to market devices such as DSL bridging and routing modems and broadband IADs for multi-tenant offices, apartment buildings and residential areas. The reference design combines a powerful NEC network controller and software with VoicePump's integrated digital signal processing (DSP) hardware and software and mixed-signal technologies for an integrated, versatile and cost-effective IAD solution.

Unlike the general-purpose DSP technology used in packet voice communication designs, the VoDSL501 reference design is specifically optimized for use in VoDSL applications. By integrating VoicePump's complete voice band solution for VoDSL functionality into the reference design, including support for multiple voice channels and codec support, customers realize substantial savings in development time and cost.

``The tremendous demand for bundling voice services with broadband access to homes and small businesses has increased the pressure on our customers to create next-generation integrated access devices and residential gateway platforms,'' said Kyuichi Hareyama, General Manager of NEC Corporation, 2nd System LSI Division. ``VoicePump's application-oriented solution combined with NEC's network controller provides an efficient, highly-integrated and cost-effective method for enabling system designers to bring their VoDSL applications to market quickly'', he added.

``VoicePump's VP140 DSP was specifically designed to meet the needs of VoDSL applications by integrating virtually all VoDSL-specific hardware and software components on a single chip,'' said Cole Erskine, Chief Technical Officer at VoicePump. ``Combining the VP140 with NEC's uPD98501 network enables the creation of next-generation VoDSL products that are more feature-rich and cost-effective than the competition.''

The VoDSL501 utilizes NEC's uPD98501 network controller for system control and protocol handling, VoicePump's VP140 DSP for voice processing, and a DSL physical layer (PHY) interface. The NEC uPD98501 network controller features NEC's high-performance 64-bit 100 MHz MIPS RISC VR4120A microprocessor core. The controller also has an asynchronous transfer mode (ATM) cell processor, a communications device-class universal serial bus (USB) controller, and two 10/100 Mbps Ethernet controllers. In addition, the uPD98501 supports ATM adaptation layer 2 (AAL2), a standard that supports multiple channels of packetized voice in parallel with broadband Internet data access.

VoicePump's VP140 is designed to function as the voiceband processing engine working in conjunction with the host processor. This provides product designers with an easy upgrade path for adding VoDSL capability to existing high-bandwidth ``data only'' applications. The VP140 is also fully compliant with DSL Forum TR-036 Annex A for Broadband Loop Emulation Services (BLES), offering toll-quality voice and the ability to add Custom Local Area Signaling Service (CLASS) such as Call Waiting/Caller ID. The VP140 integrates DSP Group's TeakLite(TM) programmable DSP core with all requisite peripherals to perform four packet voice channels on a single processor. The highly integrated DSP includes program/data memory, a host processor interface, an analog front end, and analog-to-digital and digital-to-analog converters. The VP140 family also integrates the necessary DSP firmware to perform vital DSP functions, including speech compression and decompression, echo cancellation and associated telephony signaling functions.

The VoDSL501 comes packaged with Wind River Systems, Inc.'s VxWorks® real-time operating system, as well as a free trial version of Wind River's Tornado®-II integrated development environment and C compiler.

A live demonstration of the VoDSL501 reference design will be shown at the VoicePump booth, #405, at the Spring 2001 Voice on the Net(TM) show, March 20-23, at the Phoenix Civic Center in Arizona.

NEC/VoicePump VoDSL Reference Design

Hardware
-- VoDSL501 reference board
-- Power adapter
-- Null modem cable
-- Two cross-over Ethernet cables (CAT5)
-- USB cable

Software
-- CD-ROM with 60-day free trial version of Wind River Systems Inc.'s Tornado®-II integrated development environment with C compiler and Wind River Systems Inc.'s VxWorks v5.4 real-time operating system
-- CD-ROM with Board Support Package (BSP) and image files of VP140, ATM, Ethernet, USB, DSL, and VR4120 devices

Documentation
-- VoDSL501 user guide
-- VoDSL501 design-in handbook (PCB schematic, Gerber file, software API)
-- Data sheets and data books -- NEC network controller (uPD98501) and VoicePump VP140
-- CD-ROM with BOM, Gerber file, assembly drawing and schematics

Pricing and Availability

The VoDSL501 will be available in April 2001 and will be priced at $60,000. Pricing and availability are subject to change.

About NEC Corporation

NEC Corporation is a leading provider of Internet solutions, dedicated to meeting the specialized needs of its customers in the key computer, network and electron device fields through its three market-focused in-house companies: NEC Solutions, NEC Networks and NEC Electron Devices. NEC Corporation, with its in-house companies, employs more than 150,000 people worldwide and saw net sales of 4,991 billion Yen (approx. U.S. $48 billion) in fiscal year 1999-2000. For further information, please visit the NEC home page at: http://www.nec-global.com .

About DSP Group

DSP Group, Inc., is a global leader in the development and marketing of high-performance, cost-effective, licensable digital signal processing cores. The company's family of DSP cores provides ideal solutions for low-power, cost-driven applications, such as cellular, broadband communications, VoIP, multimedia, advanced telecommunication systems, disk-drive controllers and many other types of embedded-control applications. By combining its DSP core technologies with its proprietary, advanced speech-processing algorithms, DSP Group also delivers a wide range of enabling, application-specific ICs for full-featured integrated telephony products and applications, including 900MHz/2.4GHz wireless technologies. DSP Group maintains an international presence with offices located around the globe. Additional information about DSP Group is available on the World Wide Web at http://www.dspg.com .

NOTE: NEC Electronics Inc. is either a registered trademark or trademark of NEC Corporation in the United States and/or other countries. Vr Series is a trademark of NEC Corporation. All other registered trademarks or trademarks are property of their respective owners. #10867

SOURCE: NEC Electronics, Inc.

Statements contained in this release may constitute forward-looking statements. These statements involve certain risks and uncertainties such as acceptance of the company's new products by existing OEM customers, potential customers and the company's ability continue to add licensees and to develop and produce its new products at competitive costs. These factors and other factors which may effect future operating results or our stock price are discussed under "FACTORS AFFECTING FUTURE OPERATING RESULTS' in our report on Form 10-Q for the quarter ended September 30, 2000, which has been filed with the Securities and Exchange Commission and is also available on our website (www.dspg.com) under Investor Relations.

Aston Bridgman
NEC Corporation
+011-81-3-3798-6511
Aston_Bridgman@HOPRD.ccgw.nec.co.jp

Cole Erskine
Chief Technical Officer
VoicePump, Inc.
650 323 3232 x 13
cole@voicepump.com