76 Chapter 3
Theory of Operation
Waveform Playback
• End of Scenario
The current scenario is completed before jumping to the new scenario. The jump
latency is the longer of either the jump immediate latency or the length of the
remaining part of the current waveform. If the remaining part of the scenario is
less than the jump immediate latency, the scenario is repeated one more time
before jumping.
Scenario Start/Jump Trigger Source
It is possible to start a scenario, or to jump to a new scenario using one of five
inputs. There are four external trigger inputs and a host trigger source. The host
trigger source is a register in the play table that can be written to by the host
processor. The host processor provides the user a way to start the scenario, or create
a jump event. The latency for a scenario jump is established by the jump mode.
Refer to
“Waveform Play Flow Chart” on page 77 and “Scenario and
Sequence Play Flow Charts” on page 78
.
The Jump Trigger condition is satisfied either by a waveform jump event, or by a
scenario jump trigger event when the scenario jump mode is set to “End of
Waveform.”
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