Xilinx LogiCORE IP v1.02a Product Manual page 34

The PIT Timer parameter tab showing the parameters for one of the four timers is shown in
Figure 4-4.
X-Ref Target - Figure 4-4
• Use PIT - Enable the Programmable Interval Timer.
• Number of Bits for Timer - The maximum number of cycles to count before stopping
or restarting.
• Shall Counter Value be Readable - The Programmable Interval Timer counter is
readable by software when this parameter is set. Unless resource usage is very critical it
is recommended to keep this enabled.
• Define Prescaler - Selects a prescaler as source for the Programmable Interval Timer
count. When no prescaler is selected the core input clock is used. Any Programmable
Interval Timer or Fixed Interval Timer can be used as prescaler, as well as a dedicated
external enable input.
• Generate Interrupt - Generate an interrupt when the Programmable Interval Timer has
counted down to zero.
The GPO parameter tab showing the parameters for one of the four General Purpose Output
ports is shown in
I/O Module v1.02a
PG052 October 16, 2012
Figure 4-4: PIT Timers Parameter Tab
Figure 4-5.
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