2.3. Reset Release Intel FPGA IP
Intel requires that you either use the Reset Release Intel FPGA IP or the INIT_DONE signal routed back in through a pin to
hold your design in reset until configuration is complete.
The Reset Release Intel FPGA IP is available in the Intel Quartus Prime Software. This IP consists of a single output signal,
nINIT_DONE. The nINIT_DONE signal is the core version of the INIT_DONE pin and has the same function in both FPGA First
and HPS First configuration modes. Intel recommends that you hold your design in reset while the nINIT_DONE signal is high
or while the INIT_DONE pin is low.
When you instantiate the Reset Release IP in your design, the SDM drives the nINIT_DONE signal. Consequently, the IP does
not consume any FPGA fabric resources, but does require routing resources.
Figure 6. Reset Release Intel FPGA IP nINIT_DONE Internal Connection
Board
nINIT_DONE
Reset
Application Logic
Intel FPGA
Reset Release IP
2. Intel Agilex Configuration Details
UG-20205 | 2019.10.09
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