Connect-Tek USB-16 Manuale Utente Scaricare il pdf (Pagina 21)

Host High Speed Electrical Test Procedure Revision 1.4

10. The results consist of EL_25 the EOP length (number of bits) of the second packet on the

oscilloscope and should be 8 bits.

Note: Please note that the EOP could appear as a negative going pulse, or a positive going

pulse on differential measurement. The following figure illustrates the positive going pulse.

Figure 12: Host Packet EOP

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 43 44

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Connect-Tek USB-16 Manuale Utente Pagina 21