Versal Adaptive SoC Technical Reference Manual (AM011)

Document ID
Release Date
1.6 English

The system counter can be used to generate one or more event streams to generate periodic wake-up events. An event stream might be used for these reasons:

  • To impose a timeout on a wait-for-event polling loop
  • To safeguard against any programming error that means an expected event is not generated

Event Stream

An event stream is configured by these selections:

  • Selecting which bit from the bottom 16 bits of a counter triggers the event, which determines the frequency of the events in the stream
  • Selecting whether the event is generated on each 0 to 1 transition or each 1 to 0 transition of the selected counter bit