HP E1459A Data Available Event Detection Flowchart

INPutn:CLOCk[:SOURce]EXT

Set External Clock Source

INPutn:DEBounce:TIMe <time>

Optionally, set the

Debounce Time

Enable the DAV Detection

Wait for the Event to Occur.

Do one of the following:

1.Poll the Port Summary Register

2.Poll the Status Subsystem

3.Use SRQ to interrupt

[SENSe:]EVENt:PORTn:DAVailable:ENABle <state>

[SENSe:]EVENt:PSUMmary:DAV?

STATus:OPERation:PSUMmary:CONDition?

STATus:OPERation:PSUMmary:ENABle <mask> STATus:OPERation:ENABle 512

*SRE128

Read the data and clear the

MEASure:DIGital:DATAn:type:VALue?

MEASure:DIGital:DATAn:type:BITm?

event detector register

 

 

Figure 2-2. HP E1459A Data Available Event Detection Flowchart

36 Using the HP E1459A Module