Connect-Tek USB-16 Manual de usuario descargar pdf (Pagina 41)

Host High Speed Electrical Test Procedure Revision 1.4

41

For Review and Discussion Only

Draft Document Subject to Revision or Rejection

Not For Publication or General Distribution

Overall Result:

 Pass

 Fail

 N/A

 Comments:

A.1.6 Host CHIRP Timing (EL_33, EL_34, EL_35)

EL_33 Downstream ports start sending and alternating sequence of Chirp Ks and Chirp Js

within 100 μs after the device Chirp K stops.

Reference documents: USB 2.0 Specification, Section 7.1.7.5.

 Pass

 Fail

 N/A

 Comments:

EL_34 Downstream port Chirp K and Chirp J durations must be between 40 μs and 60 μs.

Reference documents: USB 2.0 Specification, Section 7.1.7.5.

 Pass

 Fail

 N/A

 Comments:

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