Connect-Tek USB-16 Bedienungsanleitung PDF herunterladen (Seite 4)

Host High Speed Electrical Test Procedure Revision 1.4

Table of Contents

1 Introduction ..............................................................................................................5

2 Purpose......................................................................................................................5

3 Recommended Equipment.......................................................................................6

3.1 Equipment Setup........................................................................................................7

3.1.1 Test Equipment Setup Diskettes.....................................................................7

3.1.2 Digital Sampling Oscilloscope.........................................................................7

3.2 Operating Systems, Software, Drivers, and Setup Files .........................................8

3.2.1 Operating Systems ...........................................................................................8

3.3 Special Purpose Software ..........................................................................................8

3.3.1 Test Equipment Setup Files ............................................................................9

3.4 Test fixture..................................................................................................................9

4 Test Procedure........................................................................................................11

4.1 Test Record...............................................................................................................11

4.2 Vendor and Product Information...........................................................................11

4.3 Legacy USB Compliance Tests................................................................................11

4.4 Host High-speed Signal Quality (EL_2, EL_3, EL_6, EL_7) ...............................12

4.5 Host Controller Packet Parameters (EL_21, EL_22,

EL_23, EL_25, EL_55).............................................................................................17

4.6 Host Disconnect Detect (EL_36, EL_37) ................................................................25

4.7 Host CHIRP Timing (EL_33, EL_34, EL_35).......................................................27

4.8 Host Suspend/Resume timing (EL_39, EL_41)......................................................29

4.9 Host Test J/K, SE0_NAK (EL_8, EL_9) ................................................................33

A.1 Host High-speed Electrical Test Data...................................................................35

A.1.1 Vendor and Product Information...........................................................................35

A.1.2 Legacy USB Compliance Tests................................................................................36

A.1.3 Host High-speed Signal Quality (EL_2, EL_3, EL_6, EL_7) ...............................36

A.1.4 Host Controller Packet Parameters (EL_21, EL_22, EL_23, EL_25, EL_55)....38

A.1.5 Host Disconnect Detect (EL_36, EL_37).................................................................40

A.1.6 Host CHIRP Timing (EL_33, EL_34, EL_35)........................................................41

A.1.7 Host Suspend/Resume timing (EL_39, EL_41).....................................................42

A.1.8 Host Test J/K, SE0_NAK (EL_8, EL_9) ................................................................43

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Connect-Tek USB-16 Bedienungsanleitung Seite 4