Teledyne-lecroy USB2-HSIC Decoder Manuel d'utilisateur télécharger pdf (Page 22)

USB2/USB2-HSIC Decode and Trigger

4. In Compare Type, choose to compare Data Values or Data Lengths to find a match.

5. If you chose to compare lengths, enter the Cmp. Opr. (operator) and Length (in bytes) that define the

trigger criteria (e.g., Trigger if Data0 length is greater than 4 bytes).

If you chose to compare values, enter the Cmp. Opr. (operator), At position, and a reference Data (1-16

Bytes) pattern that define the trigger criteria (e.g., Trigger if the value at position x in Data0 is equal to y).

TRIGGER ON HANDSHAKE PATTERN

1. Choose Pattern Type Packet and Category Handshake.

2. Select the handshake type that will fire the trigger: Any Type, ACK, NAK, STALL, NYET (High Speed only),

or Error) (High Speed only).

TRIGGER ON USER-DEFINED PATTERN

1. Choose Pattern Type Packet and Category User Define.

2. Choose to enter values in Binary or Hexadecimal (Hex) format. The selection propagates throughout the

entire trigger setup. Toggling between formats does not result in loss of information, but will transform

the appearance of values.

3. In Data (1-16 Bytes), enter the pattern that will fire the trigger.

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Teledyne-lecroy USB2-HSIC Decoder Manuel d'utilisateur Page 22