Measurement-computing Digital HS Manuale Utente Pagina 15

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Polarity Selection for the iEND Control Line
2.2.2.2.6 S2-6 iDATA POL: Input Data Polarity
The input data bits can be active high or active low. For example, if a data byte of
&h07 is transferred from the input port with the iData Polarity selected for active low
operation, the data byte received by the IEEE 488 controller will be &hF8.
At power on, iRESET, Device Clear (DCL) or Selected Device Clear (SDC), the 16-
bit digital input latches are forced to a Not Full condition. Default setting is active
high.
OPEN
S2
iDATA POL
87654321
Active Low iDATA
OPEN
S2
iDATA POL
87654321
Active High iDATA
(default)
Polarity Selection for the Input Port Data Lines
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