National Instruments 622 Series, User Manual

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M Series User Manual
Pause Trigger
The Pause Trigger signal can be used to pause the acquisition any time the signal deasserts. It is
generated from internal or external sources. A multiplexer selects a signal from the _i bus; its
output is called Selected Pause Trigger.
Figure B-18. Pause Trigger and the Analog Input Timing Engine
Figure B-19.
Pause Trigger Timing Diagram
S t a rt Trigger
Termin a l
S elected Reference Trigger Reference Trigger
Termin a l
Termin a l
S elected Sa mple Clock
Termin a l
Termin a l
Termin a l
S elected S t a rt Trigger
RT S I
Termin a l
Termin a l
Termin a l
S elected P aus e Trigger
S I
Co u nter
Block
S I2
Co u nter
Block
S I_TC
Sa mple Clock Time bas e
S ync Sa mple Clock Time bas e
Convert Clock Time bas e
S ync Convert Clock Time bas e
S I S t a rt
S I2_TC
p_AI_Convert
S t a rt
1
P aus e Trigger
_i
POUT
S elected P aus e Trigger
S ync Convert Clock Time bas e
P aus e Trigger
t
3 4
t
3 6
t
3 7
t
3 7
t
3 7
t
3 5
t
3 5
t
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