Keithley 2002

IEEE-488 Reference
3-13
Figure 3-9
Trigger event status
(B14 - B2)
(B15) (B1) (B0)
OR
Trigger
Condition Register
Trigger Event
Enable Register
Seq 1 = Sequence 1 (Set bit indicates that the
2002 is in the trigger layer of Sequence 1)
& = Logical AND
OR = Logical OR
PTR = Positive Transition Register
NTR = Negative Transition Register
&
&
0
Seq1
(B14 - B2)
(B15)
(B1) (B0)
0
Seq1
(B14 - B2)
(B15)
(B1) (B0)
0
Always
Zero
Seq1
PTR
NTR
Trigger
Transition Filter
Trigger Event
Register
(B14 - B2)
(B15) (B1) (B0)
Seq1
To Waiting for Trigger
Bit (Trig) of Operation
Event Condition Register
(See Figure 3-6).