Wilder Technologies SATA 2.5 Test Adapter Dokumentacja Pobierz pdf (Strona 57)

Agilent Technologies, Inc.

Agilent Technologies, Inc. 57 SATA PHY, TSG & OOB Test MOI v.1.1 Revision 1.4

Test OOB-07 – COMINIT Gap Detection Windows

Purpose: To verify that the COMINIT Gap Detection Windows of the Product Under Test’s (PUT’s) receiver are

within the conformance limits.

References:

[1] Serial ATA Revision 3.0, 7.2.1, Table 34 – OOB Specifications

[2] Ibid, 7.2.2.6.8

[3] Ibid, 7.4.25

[4] SATA Interoperability Program Unified Test Document, 2.18.7 – COMINIT Gap Detection Windows

Resource Requirements:

Same as for OOB-02.

See Appendix A for details.

Last Template Modification: March 25, 2009 (Version 1.02)

Discussion:

Reference [1] specifies the Transmitted Signal conformance limits for SATA products. This specification

includes conformance limits for the COMINIT Gap Detection Windows. Reference [2] provides the definition of

this term for the purposes of SATA testing. Reference [3] defines the measurement requirements for this test.

Test Setup:

The OOB Tests are designed to be run concurrently for simplicity. Since the initiation of a COMRESET

from a products or pattern generator will force a hard reset in a products, the following OOB tests can all be

performed using an Agilent 81134A 3.35Gbps Programmable Pulse/Pattern Generator to generate the

nominal OOB COMRESET and COMWAKE bursts, as well as to stress the min in-spec, max in-spec, min

out-of-spec and max out-of-spec timing conditions for inter-burst gaps. The Agilent oscilloscope, which is

running the N5411B SATA test software, will control both the pattern generator stimulus as well as the

oscilloscope acquisition and processing parameters, providing fully automated control and repeatability of

the OOB test sequence in successive fashion. A COMRESET is issued from the generator prior to running

each test to ensure products reset, but in some cases, it may still be necessary to remove power from the

products under test temporarily to allow the products to exit from a BIST controlled mode and return to

normal operation.

Test Procedure:

This parameter is covered by Agilent Technologies, Inc. N5411B automated SATA compliance software,

revision 1.02 or later. Either “PASS” or “FAIL” is shown for the products COMINIT Gap Detection

Windows test in the report generated at the completion of the testing.

Observable Results:

Verify that the products consistently response to each COMINIT/COMWAKE sequence under the

following sequence parameters:

6 x (COMINIT/COMRESET burst + 480UI gap)

+1 x (45,000UI gap)

Verify that the products continues response to each COMINIT/COMWAKE sequence when COMINIT gap

is changed to 459UI and 501UI.

Verify that the products does not enter speed negotiation when COMINIT gap is changed to 259UI and

791UI.

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 86 87

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Wilder Technologies SATA 2.5 Test Adapter Dokumentacja Strona 57