Ellisys USB Explorer 280, Руководство пользователя

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Link Layer Tests | 73 of 124
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The test fails if the PUT does not transition to Recovery when the
PM_LC_TIMER expires (5.0225us).
3. After Examiner completes this test case, clear the U1/U2 registers through the CV prompt.
Specification Reference
Sections 7.2.4.2.1#1 ● 7.2.4.2.3#6 ● 7.3.4#6
7.22 PM_ENTRY_TIMER Timeout Test (Upstream Port
Only)
Test Summary
This test verifies that the PUT transitions to U1 when the PM_ENTRY_TIMER expires.
Test Steps and Expected Results
1. Examiner performs steps 1 to 3 of 7.23 (Accepted Power Management Transaction for U1
Test - Upstream Port Only).
2. Examiner does not transmit LPMA when it receives LAU.
The value of PM_ENTRY_TIMER deadline is 6us, but is given a “calculated
test time” expiration of 9.545us. This calculated test time is defined in the
USB 3.0 Link Layer Test Specification, Section 4. Please refer to that
document for details.
The test fails if the PUT does not transition to U1 when the PM_ENTRY_TIMER
expires (9.545us), or if the PUT sends any packet or LFPS.
Specification Reference
Sections 7.2.4.2.1#3 ● 7.2.4.2.3#8,10,12
7.23 Accepted Power Management Transaction for U1
Test (Upstream Port Only)
Test Summary
This test verifies that the PUT transitions to U1 if it receives an LGO_U1.
Test Steps and Expected Results
1. Examiner performs steps 1 to 4 of TD7.1 (Link Bring-Up Test) to bring the link to U0.