Frequently Asked Questions

1.0 HyperTransport™ Technology

1.1 What is HyperTransport™ Technology?
1.2 How can I get more information about HyperTransport™ technology?
1.3 Do I have to join the HyperTransport™ consortium to use the technology?


2.0 GDA and HyperTransport™
2.1 Who is GDA Technologies?
2.2 What is GDA's role in HyperTransport™ technology development?
2.3 What is GDA's HyperTransport™ program?
2.4 What is GDA HyperTransport™ Corner?
2.5 How can I find more information on GDA's HyperTransport™ program?
2.6 How do I become a member of GDA's HyperTransport™ program?


3.0 GDA's HyperTunnel IP

3.1 What is GDA's HyperTunnel IP?
3.2 What is a HyperTransporttunnel?
3.3 Does GDA provide HyperTransport™ end-device core?
3.4 What are the deliverables in HyperTunnel IP package?
3.5 What IO clock speeds are supported by HyperTunnel?
3.6 What technologies are targeted for this IP?
3.7 Is HyperTunnel silicon proven?
3.8 Are the HyperTransportPHY macros part of HyperTunnel?


4.0 Support program

4.1 What is the standard IP support package for HyperTunnel?
4.2 What additional services are available from GDA for creating my HyperTransport™ solution?
4.3 Will GDA provide core updates for to every revision of HyperTransportLink Specification?

5.0 HyperTunnel licensing details
5.1 When will HyperTunnel IP be available?
5.2 Who can license HyperTunnel?
5.3 What benefits will HyperTunnel IP provide to a licensee?
5.4 What are the different licensing schemes offered by GDA?
5.5 Is there an IP evaluation program?
5.6 How do I download a released version of the IP?
5.7 Will I be informed if there is a upgrade available?
5.8 What tools are supported?

 


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What is HyperTransport™ Technology?
HyperTransporttechnology is a high speed, low latency, scalable point-to-point link for interconnecting ICs on boards. It can be significantly faster than a PCI bus for an equivalent number of pins. HyperTransport, previously codenamed as Lightning Data Transport (LDT), provides the bandwidth and flexibility critical for today's networking and computing platforms while retaining the fundamental programming model of PCI. HyperTransportwas invented by AMD and perfected with the help of several partners throughout the industry. HyperTransportTechnology Consortium, a non-profit corporation, supports the future development and adoption of the HyperTransportspecifications. The technology targets networking, telecommunications, computers and embedded systems and any application where high speed, low latency and scalability are necessary.

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How can I get more information about HyperTransport™ technology?
Visit the HyperTransportconsortium web site at www.hypertransport.org. The FAQ in that site gives more information on the HyperTransporttechnology. The latest version of the HyperTransportI/O Link Specification (1.03) is now available for public download. Members of the consortium have access to all technical specifications and are invited to participate in consortium meetings.

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Do I have to join the HyperTransport™ consortium to use the technology?

Yes. Consortium members are granted with a license to use the HyperTransporttechnology in their products. The license is royalty free, however, there is a membership fee for joining the Consortium.

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Who is GDA Technologies?
GDA Technologies, Inc. is a leading Electronic Design Services (EDS) company with operations around the world. Positioned as a product design and development partner for networking, consumer and embedded markets, GDA provides IP enabled design technology services in the areas of IC, board, software and system design. Visit www.gdatech.com for more information on GDA and their services.

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What is GDA's role in HyperTransporttechnology development?
GDA is a contributor member of HyperTransportconsortium. GDA is committed to the development of HyperTransporttechnology and its adoption in to various applications. GDA offers a wide range of IP and design technology services to enable our customer's next-generation products with HyperTransporttechnology.

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What is GDA's HyperTransportprogram?
GDA's HyperTransportprogram is designed to accelerate time to market for next-generation HyperTransportbased products for their computing and networking partners. The program is a combination of intellectual property licensing and design technology services carefully tailored to accomplish this. RTL and verification IPs and services for design customization, integration, logic implementation, verification, physical design, board design, system validation and software design are some key components of this program.

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What is GDA HyperTransportcorner?
GDA HyperTransportcorner is a dedicated web server created to provide up to date information on GDA's HyperTransportprogram and web based services to its program partners.

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How can I find more information on GDA's HyperTransportprogram?
Visit GDA HyperTransportcorner for up to date information on GDA's HyperTransportprogram. For more information on the program and IP and services details you may contact the program coordinator by email.

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How do I become a member of GDA's HyperTransportprogram?
Members of this program are our partners who have licensed the HyperTransportIPs from us. Please contact the program coordinator by email for membership details.

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What is GDA's HyperTunnel IP?
HyperTunnel is a reusable RTL implementation of a HyperTransportTunnel design. It is a fully compliant, silicon-validated design with complete verification and synthesis environment. The design provides a highly flexible peripheral interface to user's logic in addition to the upstream and downstream HyperTransportLink interfaces. Please contact GDA's HyperTransportprogram coordinator by email for more information on the IP.

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What is a HyperTransporttunnel?
HyperTransportprovides a point-to-point physical connection for devices. In order to connect additional devices, additional HyperTransportinterfaces are required. A tunnel provides the simplest method of connecting multiple devices providing 2 HyperTransportinterfaces in addition to the device logic. Packets received at one interface and not destined for the tunnel device itself are passed through to the second interface. The specification for the functionality of the tunnel device is provided as part of the HyperTransportSpecification.

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Is GDA planning a HyperTransportend-device core?
We do not currently offer this core, but it is in our roadmap.

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What are the deliverables in HyperTunnel IP package?
> Verilog RTL view of the design
> Verification environment complete with models, analyzers and test cases
> Synthesis environment
> Documentation for design, simulation environment, and synthesis environment

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What IO clock speeds are supported by HyperTunnel?
This design supports up to 800 Mhz DDR. It can be configured to operate at four other lower speeds: 200, 400, 500 and 600 Mhz.

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What technology is targeted for this IP?
The design is targeted for 0.18u standard cell technologies or better.

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Is HyperTunnel silicon proven?
Yes.

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Are the HyperTransportPHY Macros part of HyperTunnel?
No. However, GDA could work with their partners to provide a complete IP solution for a particular technology including the PHY layer.

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What is GDA's standard IP support package?

> One year web based problem reporting and tracking
> On-site training on the design and deliverables
> Up to 80 hours of debug support
> Core updates for one year

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What additional services can be purchased from GDA for creating your HyperTransportsolution?
> Creation of netlist view for a specific technology
> Hard macro implementation for a specific technology
> Verification IPs
> Core customization
> Core Integration
> Complete IC design with HyperTunnel
> HyperTransportbased system design and validation
> Driver development

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Will GDA provide core updates for to every revision of HyperTransportLink Specification?
Yes. It is our intention to do provide core updates to cover future spec changes. However, the support and release schedule for any future changes in the specification will actually depend on the extent of change and the demand for those changes from our partners.

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When will HyperTunnel IP be available?
Jan 2002.

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Who can license this IP?
All consortium members can license the HyperTunnel IP. Consortium members are granted with a license to use the HyperTransporttechnology in their products. The license is royalty free, however, there is a membership fee for joining the Consortium. GDA will charge a licensing fee for the HyperTunnel core and support.

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What benefits will HyperTunnel IP provide to a licensee?
The fully compliant RTL view and the exhaustive verification environment along with GDA's expertise in this area could drastically cut down the time-to-market for the HyperTransport-based next generation products of our partners.

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What are the different licensing schemes offered by GDA?
Two kinds: One time use and multiple use schemes. Please contact the program coordinator by email for more details.

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Is there an IP evaluation program?
We do not currently provide this, but it is in our roadmap.

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How do I download a released version of the IP?
Downloads will be possible for members via FTP or HTTP secured using PGP or GPG encryption. Refer to directions in the member area or your notification by e-mail.

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Will I be informed if there is a upgrade available?
Yes, You will get an e-mail if there is an upgrade version if you are GDA's HyperTransportprogram.

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What tools are supported?
Simulation tools supported:
> Synopsys VCS
> Cadence Verilog-NC and
> Verilog-XL

Synthesis tools supported:
> Synopsys Design Compiler
> Cadence Buildgates on request

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Copyright 2001 GDA Technologies, Inc.
HyperTransport is the registered trademark of HyperTransportTechnology Consortium