FuturePlus Systems FS2334 Manuale utente

FuturePlus Systems

Corporation

DDR2 DIMM HIGH SPEED PROBE

FS2334

Users Manual

For use with Agilent Technologies Logic Analyzers

Revision 1.4

FuturePlus is a registered trademark of FuturePlus Systems Corporation

How to reach us.......................................................................................................................4

Product Warranty....................................................................................................................5

Limitation of warranty................................................................................................................... 5

Exclusive Remedies ....................................................................................................................................5

Assistance......................................................................................................................................... 5

Software License Agreement..................................................................................................6

License Agreement.......................................................................................................................... 6

Use of the software.......................................................................................................................... 6

Copies and Adaptations.................................................................................................................. 6

Ownership ....................................................................................................................................... 6

Sublicensing and Distribution........................................................................................................ 6

Introduction.............................................................................................................................7

Definitions........................................................................................................................................ 7

Logic Analyzer Modules..............................................................................................................................7

Logic Analyzer Machine..............................................................................................................................7

FS2334 Probe Description......................................................................................................8

Probe Technical Feature Summary .............................................................................................. 8

Probe Components.......................................................................................................................... 8

Signal Assignments on Probe Pods................................................................................................9

Signal Threshold Voltage Settings................................................................................................. 9

Connecting the DDR2 Probe to the Logic Analyzer.................................................................... 9

Test Points ..................................................................................................................................... 10

Connecting to your Target System.............................................................................................. 11

Signal Isolation on the Probe....................................................................................................... 11

Buffered signals on the probe...................................................................................................... 11

Recommended Logic Analyzer Card Requirements and Configuration files......................... 12

Software Requirements.........................................................................................................14

Setting up the 169xx Analyzer..................................................................................................... 14

169xx Licensing............................................................................................................................. 14

Loading 169xx configuration files and General Purpose Probe Feature................................. 14

Offline Analysis............................................................................................................................. 15

TimingZoom Analysis...........................................................................................................17

Decoding DDR Commands.......................................................................................................... 17

Taking a Trace, Triggering, and Seeing Measurement Results ............................................... 17

State Analysis........................................................................................................................18

Overview........................................................................................................................................ 18

State Analysis Operation – Read and Writes above 667MT/s....................................................................18

State Analysis Operation – Read and Write at 667MT/s or slower............................................................19

State Analysis Operation – Read or Write at 800MT/s ..............................................................................19

The process for setting sampling positions at speeds of 800MT/s:........................................... 20

State analysis calibration procedure ...........................................................................................................21

Adjusting the sampling positions with controlled stimulus ...................................................... 24

State Display.................................................................................................................................. 26

DDR2 Protocol Checking and Performance Tool (FS1140) ..............................................27

FS1140 Installation and Licensing .............................................................................................. 27

Loading the FS1140...................................................................................................................... 27

Setting up the FS1140 DDR2 Tool............................................................................................... 28

Functional and Performance Analysis – NOTE: The Functional Performance portion of this

software will NOT work with 2 FRAME configurations .......................................................... 29

Statistics......................................................................................................................................................29

Errors..........................................................................................................................................................29

Export.........................................................................................................................................................30

Repetitive Run............................................................................................................................................30

Timing Analysis ............................................................................................................................ 30

Export.........................................................................................................................................................30

Appendix................................................................................................................................32

FS2334 Signal to Logic Analyzer Connector and Channel Mapping ...................................... 32

How to reach us

For Technical Support:

FuturePlus Systems Corporation

36 Olde English Road

Bedford NH 03110

TEL: 603-471-2734

FAX: 603-471-2738

On the web http://www.futureplus.com

For Sales and Marketing Support:

FuturePlus Systems Corporation

TEL: 719-278-3540

FAX: 719-278-9586

On the web http://www.futureplus.com

FuturePlus Systems has technical sales representatives in several major

countries. For an up to date listing please see

http://www.futureplus.com/contact.html.

Product Warranty

Due to wide variety of possible customer target implementations, the FS2334

DDR2 DIMM probe has a 30 day acceptance period by the customer from the date

of receipt. If the customer does not contact FuturePlus Systems within 30 days of

the receipt of the product it will be said that the customer has accepted the

product. If the customer is not satisfied with the FS2334 DDR2 DIMM probe they

may return the FS2334 within 30 days for a refund.

This FuturePlus Systems product has a warranty against defects in material and

workmanship for a period of 1 year from the date of shipment. During the warranty

period, FuturePlus Systems will, at its option, either replace or repair products proven to

be defective. For warranty service or repair, this product must be returned to the factory.

For products returned to FuturePlus Systems for warranty service, the Buyer shall

prepay shipping charges to FuturePlus Systems and FuturePlus Systems shall pay

shipping charges to return the product to the Buyer. However, the Buyer shall pay all

shipping charges, duties, and taxes for products returned to FuturePlus Systems from

another country.

FuturePlus Systems warrants that its software and hardware designated by FuturePlus

Systems for use with an instrument will execute its programming instructions when

properly installed on that instrument. FuturePlus Systems does not warrant that the

operation of the hardware or software will be uninterrupted or error-free.

The foregoing warranty shall not apply to defects resulting from improper or inadequate

maintenance by the Buyer, Buyer-supplied software or interfacing, unauthorized

modification or misuse, or improper site preparation or maintenance. NO OTHER

WARRANTY IS EXPRESSED OR IMPLIED. FUTUREPLUS SYSTEMS

SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY

AND FITNESS FOR A PARTICULAR PURPOSE.

Exclusive Remedies

THE REMEDIES PROVIDED HEREIN ARE BUYER’S SOLE AND EXCLUSIVE

REMEDIES. FUTUREPLUS SYSTEMS SHALL NOT BE LIABLE FOR ANY DIRECT,

INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER

BASED ON CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.

Product maintenance agreements and other customer assistance agreements are

available for FuturePlus Systems products. For assistance, contact the factory.

Limitation of warranty

Assistance

Software License Agreement

IMPORTANT - Please read this license agreement carefully before opening the media

envelope. Rights in the software are offered only on the condition that the customer

agrees to all terms and conditions of the license agreement. Opening the media

envelope indicates your acceptance of these terms and conditions. If you do not agree

to the licensing agreement, you may return the unopened package for a full refund.

In return for payment for this product, FuturePlus Systems grants the Customer a

SINGLE user LICENSE in the software subject to the following:

Customer may use the software on any one Agilent mainframe logic analysis system.

•Customer may make copies or adaptations of the software.

•Customer may not reverse assemble or decompile the software.

•Are allowed for archival purpose only.

•When copying for adaptation is an essential step in the use of the software with the logic

analyzer and/or logic analysis mainframe so long as the copies and adaptations are used in no

other manner. Customer has no right to copy software unless it acquires an appropriate license

to reproduce from FuturePlus Systems.

•Customer agrees that it does not have any title or ownership of the software, other than the

physical media.

•Customer acknowledges and agrees that the software is copyrighted and protected under the

•Transfer of the right of ownership shall only be done with the consent of FuturePlus Systems.

Customer may not sublicensing the software or distribute copies of the software to the public in

physical media or by electronic means or any other means without the prior written consent of

FuturePlus Systems.

License Agreement

Use of the software

Copies and Adaptations

Ownership

Sublicensing and Distribution

Introduction

Thank you for purchasing the FuturePlus Systems FS2334 DDR2 DIMM Interposer

Logic Analyzer Probe. We think you will find the FS2334, along with your Agilent

Technologies Logic Analyzer, a valuable tool for helping to characterize and debug your

DDR2-based systems. This Users Guide will provide the information you need to install,

configure, and use the DDR2 Probe. If you have any questions about this Guide or use

of this probe, please contact FuturePlus Systems Corporation.

Definitions

Logic Analyzer Modules

"Module" - A set of logic analyzer cards that have been configured (via cables

connecting the cards) to operate as a single logic analyzer whose total available

channels is the sum of the channels on each card. A trigger within a module can be

specified using all of the channels of that module. Each module may be further broken

up into "Machines”. A single module may not extend beyond a single 5 card 16700

frame or 6 card 16900 frame.

Logic Analyzer Machine

"Machine" - A set of logic analyzer pods from a logic analyzer module grouped together

to operate as a single state or timing analyzer.

FS2334 Probe Description

The FS2334 DDR2 Probe allows you to perform timing analysis measurements on

DDR2 DIMM busses. It also provides a Protocol Decoder with the capability of providing

State analysis of both Read and Write activity is provided by using the dual sample

mode feature available on the 169xx.

The interposer design of this probe allows any DDR2 connection to be probed while it

supports a DDR2 DIMM module.

Probe Technical Feature Summary

•Quick and easy connection between the DDR2 240 pin DIMM connector and Agilent

Logic Analyzers.

•Interposer design does not consume a DDR2 slot.

•Complete and accurate state analysis up to 800MT/s.

•Available Protocol Checking capability (VBA license required) software.

•Uses Auto Sample Position Set-up (EyeFinder) and Auto Threshold Set-up to locate

tight DDR2 data valid windows for optimal state data capture.

Probe Components

The following components have been shipped with your FS2334 DDR2 Probe:

•FS2334 DDR2 DIMM Probe

•Supplemental DC power supply.

•This Users Guide and other information on CD-ROM.

•CD-ROM with the following software install files:

•FS1136 DDR2 Protocol decoder software and configuration files for 169xx

analyzers or offline analysis of 800MT/s data traffic

•FS1117 DDR2 Protocol Decoder software and configuration files for 169xx

analyzers or offline analysis of data traffic <= 667MT/s.

•FS1140 Protocol Checking software.

•Software Entitlement Certificate for Windows based FS1136, FS1117 and FS1140

software.

•Quick Start Sheet.

Signal Assignments on Probe Pods

The overlap in the bit ranges (for DQxx) signals between pods occurs because the bits

are assigned to pods in the order that they appear physically on the DDR2 DIMM

connector, which is not strictly in logical bit order. This allows the Probe layout to better

match stub lengths among all DQxx signals.

See the Appendix for a detailed list of how Logic Analyzer Channels are mapped to

signals and DDR2 pins.

Signal Threshold Voltage Settings

The standard voltage threshold for the logic analyzer pods is defined as 900mV. This is

based on the SSTL2-1.8V signaling used by the DDR2 DIMM bus. The configuration

files provided with this product set-up the threshold voltages for both the Data and

Command pods to 900mV. Design differences between target platforms or overvoltage

settings may require adjustment of the logic analyzers threshold for optimal signal

capture. The use of Eye Scan can be very helpful in determining where to set these

thresholds.

NOTE: The optimal settings may need to be defined either through trial and error

or by using Eye Scan. Accurate data capture is very dependent on optimizing

these settings and changes of as little as 50mV may have a significant effect.

Connecting the DDR2 Probe to the Logic Analyzer

The FS2334 DDR2 Probe requires up to 7 logic analyzer cards depending on whether

state (Read and Write - quadruple sampled), state (Read or Write - dual sampled), or

timing measurements are desired. See Timing and State configuration information

below.

At this time the user may find it easier to connect the logic analyzer cables to the probe

before inserting the probe into the target system. The FS2334 probe has fourteen 90 pin

pod connections which mate directly to Agilent Logic analyzer cards. Adapter cables are

not required. Once a configuration file is loaded refer to the General Purpose Probe

feature in the Agilent 1690x Overview tab for cable connections.

FS2334 Frontside layout

FS2334 Backside layout

Test Points

There are several test point on the board.

The first set of test points are used to select which signals go to the Clk input and the

D15 input of Header 2. The shipping configuration for the FS2334 is to have S0 wired to

the Clk input, which is TP3 wired to TP1. This is done in the factory by soldering a short

wire between the 2 test points.

If CKE0 is to be used as a Clk input then TP7 is wired to TP1 and S0 is brought to the

D15 input by wiring TP3 to TP2.

Header 3 Header 4 Header 5

Header 14

Header 1 Header 6 Header 7 Header 8

Header 13

Header 9

Header 2

Header 11 Header 10 Header 12

TP 5

TP 6 TP 4

TP 1,2,3,7

1.25”

Indice

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