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AMCC Builds on Proven Design Expertise with New 3.3V Single-Chip PCI Interface.

Business Editors/High-Tech Writers

SAN DIEGO--(BUSINESS WIRE)--March 22, 2004

Low-Cost, 3.3V, Target-Only Single-Chip PCI Interface Provides

Designers with an Off-the-Shelf Product Compliant with the PCI 2.2

Standard, While Supporting Ease of Migration from Legacy Products to

Minimize Software Development Costs

Applied Micro Circuits Corp. (AMCC) announced today that it has extended its 3.3V Peripheral Component Interconnect (PCI) controller line with a Target-only single-chip interface that provides PCI board designers with an affordable, off-the-shelf, standard product. The new S5320 is compliant with the PCI 2.2 standard. The S5320 has 3.3V I/Os and will tolerate 5V signaling. Building on the proven design of AMCC's widely-installed S5920, S5933 and S5935 PCI interface devices, the S5320 provides a lower-cost solution for applications without bus mastering.

The S5320 is software compatible with AMCC's earlier S5920 interface, enabling customers to reduce both their design-in costs and time-to-market. The S5920 functionality was maintained to minimize the risk of migrating legacy designs to the 3.3V PCI bus environment. The S5320 is ideal for PCI peripheral applications such as communications and multimedia add-in cards, high-performance printer interfaces, instrumentation, data acquisition systems and other embedded applications.

The PCI bus is the standard interconnect protocol for a diverse range of system architectures including personal computers, and it allows a single add-in card to support multiple platforms. AMCC facilitates the support of multiple platforms by offering add-in board designers general purpose PCI solutions to meet various needs, including the Target-only applications addressed by the S5320, and the earlier S5933/S5935 with bus master control and DMA. The S5320 PCI controller provides the interface between the PCI bus and various synchronous and asynchronous 8-, 16- or 32-bit local bus connections up to 40MHz. It supports PCI local bus operation to 33MHz, and is capable of transferring data at the full PCI bandwidth of 132 megabytes.

An integrated 32-byte bi-directional FIFO buffer memory supports zero wait state burst operation or programmable wait states from zero through seven. For mailbox support, a direct Add-On mail box data strobe pin is provided, along with 8-, 16- and 32-bit PCI Add-On mail box registers with byte level status registers and mail box read/write interrupts. Four definable memory block Pass-Thru regions support one to four local bus address range decodes. The device supports an external non-volatile memory chip that stores operational configuration. Optionally, it can also be used for external BIOS memory space.

Design Support

Complementing the S5320 is AMCC's PCI "Matchmaker" Controller Developer's Kit, which provides a proven reference platform for prototyping applications. The kit has a modular design that allows hardware "breadboarding" as well as general evaluation of AMCC's S5320 PCI interface. Diagnostic and development utility software will be available to help the designer reduce time to market of both new and existing applications. The popularity of the company's earlier S5920/33/35 controllers have attracted several third party software developers to write Windows(TM) NT, Windows(TM) 98/2000 and Linux device drivers which are software compatible with the S5320, further reducing customer time to market. The PCI "Matchmaker" Controller Developer's Kit will be available in June 2004.


Packaged in a 176-pin low profile quad flat pack (LQFP), the AMCC S5320 uses a 3.3 volt power supply. The PCI interface device is currently sampling with volume production scheduled for May 2004. For more information on the S5320, visit

About AMCC

AMCC designs, develops, manufactures and markets silicon networking solutions for global wide area networks (WAN) and storage area networks (SAN). The company's proven design expertise, coupled with system-level knowledge and multiple silicon process technologies, provides integrated circuits that span the complete WAN PHY-to-fabric roadmap and a robust portfolio of networked storage products addressing Host Bus Adapters, storage array, switching and SAN extension requirements. The company's system solution portfolio addresses the high-performance needs of both transport and switching and routing applications within the evolving intelligent optical network, as well as Fibre Channel hardware and software products for high-growth Networked Storage markets. AMCC's corporate headquarters are located in San Diego. Sales and engineering offices are located throughout the world. For further information regarding AMCC, visit our Web site at

Forward-Looking Statements

The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Such forward-looking statements, including statements relating to the products discussed in this press release, are subject to a number of risks and uncertainties, including the risk that the products would not be successfully or timely developed, completed or manufactured or achieve market acceptance, risks relating to general economic conditions, as well as the risks and uncertainties set forth in the company's Annual Report on Form 10-K for the year ended March 31, 2003, and in other filings of the company with the Securities and Exchange Commission. As a result of these risks and uncertainties, actual results may differ materially from these forward-looking statements. The forward-looking statements contained in this news release are made as of the date hereof and AMCC does not assume any obligation to update any forward-looking statement.

Product photos, datasheets and application notes are available upon request. AMCC is a registered trademark of Applied Micro Circuits Corp.
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Publication:Business Wire
Geographic Code:1USA
Date:Mar 22, 2004
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