samtec-vita574fmcplus-extender-application-note.pdf

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VITA 57.4 FMC+ Extender Application Note SEPTEMBER 2019 © Samtec, Inc.

VITA 57.4 FMC+ Extender Card For VITA 57.4 Applications Samtec Inc. 520 Park East Boulevard New Albany, IN 47151-1147 1-800-SAMTEC-9 info@samtec.com 2

COPYRIGHTS, TRADEMARKS AND PATENTS Product names used herein are trademarks of their respective owners. All information and material in this publication are property of Samtec, Inc. All related rights are reserved. Samtec, Inc. does not authorize customers to make copies of the content for any use. Terms of Use Use of this publication is limited to viewing the pages for evaluation or purchase. No permission is granted to the user to copy, print, distribute, transmit, display in public, or modify the contents of this document in any way. Disclaimer The information in this publication may change without notice. All materials published here are “As Is” and without implied or express warranties. Samtec, Inc. does not warrant that this publication will be without error, or that defects will be corrected. Samtec, Inc. makes every effort to present our customers an excellent and useful publication, but we do not warrant or represent the use of the materials here in terms of their accuracy, reliability or otherwise. Therefore, you agree that all access and use of this publication’s content is at your own risk. Updated Documentation Please visit www.samtec.com to get access to the latest documentation and to ensure that you have the latest version of this document. NEITHER SAMTEC, INC. NOR ANY PARTY INVOLVED IN CREATING, PRODUCING, OR DELIVERING THIS PUBLICATION SHALL BE LIABLE FOR ANY DIRECT, INCIDENTAL, CONSEQUENTIAL, INDIRECT, OR PUNITIVE DAMAGES ARISING OUT OF YOUR ACCESS, USE OR INABILITY TO ACCESS OR USE THIS PUBLICATION, OR ANY ERRORS OR OMISSIONS IN ITS CONTENT. 3

1 Abstract FPGA carrier card developers require easy-to-use options to confirm the operation of the VITA 57.4 FMC+ expansion connector typically found on these platforms. In some cases, the mating height of the standard FMC+ connectors may prevent fully leveraging the connectivity options of all FMC+ modules. The VITA 57.4 FMC+ Extender Card (REF-212564-01) has been designed for placement between FPGA Carrier Cards and FMC+ Modules. This increased space can be used for additional I/O expansion during development. The FMC+ Extender Card also provides a cost-effective option for extending the life of the FPGA Carrier Card HSPC connectors used as test platforms. It is ideal for benchtop testing, system debugging, probing, or FPGA development. The card provides FPGA designers an easy to use option for testing low-speed interfaces and high-speed multi-gigabit transceivers on any FPGA development board or FPGA carrier card. It can run system data or BER testing on all channels in parallel. This makes evaluation and development with an FPGA much easier. This paper will explore the following details of the FMC+ Extender Card: • Mechanical Dimensions and Assembly Features • Connector Pin Assignments and Block Diagrams • Qualification testing set-up and test results 4

2 Mechanical Dimensions The FMC+ Extender Card provides a variant of the mechanical dimensions of an FMC+ card defined within ANSI/VITA 57.4-2019 Section 3. The electromechanical interface between the mating HSPC connectors conforms to ANSI/VITA 57.4-2019 Section 3. Specific mechanical dimensions of the card are highlighted below. Figure 1 - Mechanical Dimensions for FMC+ Extender Card 5

3 Mechanical Design Features Since many of the applications that involve VITA 57.4 systems are on highly populated with sensitive components, it is important to have an easy way to access the FMC+ carrier. The FMC+ Extender Card provides several mechanical features that ease mating and unmating. The FMC+ Loopback Cards feature: • The FMC+ Loopback cards have been designed to work in conjunction with the Micro Jack Screw • Use JSOMs to carefully mate and unmate the FMC+ Loopback Cards to the FPGA carrier to avoid • An Allen-key unscrews and expands the jack screw, dividing the PCBs in a steady, even motion until the mezzanine is safely separated from its host. Standoff (JSOM). damages. 6

4 Connector Pin Assignments The FMC+ Extender Card conforms to the Connector Pin Assignments of the HSPC connector as defined within ANSI/VITA 57.4-2019 Section 5. The FMC+ Extender Card provides direct pass-through connectivity for all 560 pins from the HSPC male to HSPC female connectors. Specific pin assignments are highlighted below. Figure 2 - HSPC Connector Pin Assignments 7

5 Block Diagrams The FMC+ Extender Card provides basic throughput functionality for testing general FPGA carrier cards that contain the HSPC interface. Signals routed include: • Gigabit data signals (MGTs) • Gigabit reference clocks • Control lines including JTAG (including IPMI support), I2C, addressing, and reserved signals • All required power rails, sequencing, and control lines Specific high-level signal routing for both cards are highlighted below. Figure 3 - FMC+ Extender Card Block Diagram Additional signal routing and circuitry details are contained in the schematics for the FMC+ Extender. Schematics are available from Samtec under NDA. Please e-mail KitsAndBoards@samtec.com for more details. 8

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