Connect-Tek USB-16 Manual do Utilizador descarregar pdf (Página 38)

Host High Speed Electrical Test Procedure Revision 1.4

EL_7 A USB 2.0 HS driver must have monotonic data transitions over the vertical openings

specified in the appropriate eye pattern template.

Reference documents: USB 2.0 Specification, Section 7.1.2.2.

Port P1 P2 P3 P4 P5

PASS

FAIL

NA

 Pass

 Fail

 N/A

 Comments:

A.1.4 Host Controller Packet Parameters (EL_21, EL_22, EL_23, EL_25,

EL_55)

EL_21 The SYNC field for all transmitted packets (not repeated packets) must begin with a 32-

bit SYNC field.

Reference documents: USB 2.0 Specification, Section 8.2.

SOF SYNC field

 Pass

 Fail

 N/A

Comments:

Data Packet SYNC field

 Pass

 Fail

 N/A

 Comments:

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