ADLINK PCI-9846 - Manual (Page 25)

Introduction 15
Triggering
Specification Value
Trigger Sources
Software, TRG IO (front panel SMB connector),
analog trigger from CH0~CH3, PXI STAR, PXI
Trigger Bus[0..7], SSI bus
Trigger Modes
Pre-trigger, Post-trigger, Middle-trigger, Delay-
trigger
TRG IO, as input port
Connector type
SMB
Compatibility 3.3 V LVTTL, 5 V tolerant
Input Level
High threshold (V
IH
): 2.0 V, minimum
Low threshold (V
IL
): 0.8 V, maximum
Maximum Input Overload -0.5 V to +5.5 V
Trigger Polarity
Rising edge or falling edge, software program-
mable
Minimum Pulse Width 20 ns
TRG IO, as output port
Connector Type
SMB
Compatibility 3.3 V TTL
Output Level
High threshold (VOH): 2.4V, minimum
Low threshold (VOL): 0.2, maximum
Driving Capability 8 mA
Minimum Output Pulse
Width
20 ns
Analog Trigger
Sources
AI channel 0 - 3
Trigger Slope Rising or falling, software selectable
Trigger Level Range Full scale input range
Trigger Level Resolution 8-bit, 256 steps in full scale range
Table 1-9: Triggering