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OTRIG_ STS
Operation
Initial
Content
15
RO
0
OTRIG_EN
OTRIG_LEVEL
OTRIG_STS
Page 14 of 32
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Not used
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RW
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OTRIG_EN
Bit
ProDAQ 3940 Relay Function Card User Manual
OTRIG_LEVEL
3940-XX-UM
This bit is the output trigger enable bit. If this bit is cleared no output
trigger will be sent to MB. If this bit is set output trigger to MB will be
generated if trigger source becomes active.
Write
0: output trigger disabled
1: output trigger enabled
Read
Gives the last written value
USAGE
 Output trigger enabling bit
This bit is for selection of the output trigger generating mode:
Pulse – after a rising edge of a trigger source pulse of 125 ns width
will be generated independently of trigger source high level duration
Level – after a rising edge a trigger source output trigger level will
follow the level of trigger source.
Write
0: output trigger generating mode set to pulse
1: output trigger generating mode set to level
Read
Gives the last written value
USAGE
 When working with interrupts to the host the level mode should
be set
The state of the output trigger line.
Write
No effect
Read
0: output trigger inactive
1: output trigger active
USAGE
 When working with interrupts to the host this bit should be
used by the interrupt routing to determine the interrupt source
Copyright, © 2002 Bustec Production Ltd.