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A ClockTimer64 provides support for counting a number of ticks at the rate determined by the input clock. When the countdown reaches zero, the timer can send a signal to another component. That component can return a value that will cause the timer to start counting down again. Setting up a timer is very efficient, and no host processing time is used while a counter is counting down: when a timer is started, the scheduler precomputes the finish time. This version of the timer provides 64 bit resolution. This model is written in C++.
This component provides a mechanism for other components to schedule a callback after a number of ticks at a given ClockSignal rate.
An active ClockTimer64 component incurs no simulation overhead. For best performance, avoid having your performance-critical code frequently cancel timers or query the number of remaining ticks.
Table 3-58 Ports