User`s guide

Signal Concepts
3-15
It’s important to note that frame-based processing will introduce a certain
amount of latency into a process due to the inherent lag in buffering the initial
frame. In many instances, however, it is possible to select frame sizes that
improve throughput without creating unacceptable latencies.
Accelerating Simulations
Simulation also benefits from frame-based processing. In this case, it is the
overhead of block-to-block communications that is reduced by propagating
frames rather than individual samples.
acquire 16 samples ISR
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Frame-based operation