Conf_Done And Init_Done - Intel Agilex Configuration User Manual

6. Intel Agilex Debugging Guide
UG-20205 | 2019.10.09
Note:
does not go low for PR failures or failures using the JTAG configuration scheme.
nSTATUS
Generally, the Intel Agilex device changes the value of
example, after POR,
drives
nSTATUS
In previous device families the deassertion of
devices, when using Avalon-ST configuration scheme, after the Intel Agilex device drives
monitor the
AVST_READY
asserts if an error occurs during configuration. The pulse ranges from 0.5 ms to 10 ms.
nSTATUS
assertion is asynchronous to data error detection. Intel Agilex devices do not support the auto-restart
nSTATUS
configuration after error option.
Previous device families implement the
. Consequently, you cannot wire OR an Intel Agilex
nSTATUS
families.
Debugging Suggestions
Ensure
nSTATUS
need to power cycle the PCB.

6.7.3. CONF_DONE and INIT_DONE

For Intel Agilex devices, both
implement the
CONF_DONE
OR an Intel Agilex
and
CONF_DONE
to
INIT_DONE SDM_IO16
these pins in the Intel Quartus Prime Software or in the Intel Quartus Prime settings file, (
are low prior to and during configuration.
INIT_DONE
data.
INIT_DONE
Note: The entire device does not enter user mode simultaneously.Intel recommends that you include the
IP on page 23 to hold your application logic in the reset state until the entire FPGA fabric is in user mode.
Send Feedback
asserts after
nSTATUS nCONFIG
high.
nSTATUS
signal to determine when the device is ready to accept configuration data.
nSTATUS
acknowledges . If
nCONFIG nSTATUS
and
CONF_DONE INIT_DONE
and pins as open drains with a weak internal pull-up. Consequently, you cannot wire
INIT_DONE
or signal with the
CONF_DONE INIT_DONE
behave as these signals behaved in earlier device families. If you assign
INIT_DONE
and , weak internal pull-downs pull these pins low at power-on reset. Ensure you specify
SDM_IO0
asserts when the device enters user mode.
to follow the value of
nSTATUS
asserts. When the host drives
indicates the device is ready for configuration. For Intel Agilex
as an open drain with a weak internal pull-up. Intel Agilex always drives
signal with the
nSTATUS
is not following , the FPGA may not have exited POR. You may
nCONFIG
share multiplexed
SDM_IO
signal from previous device families. Otherwise,
nSTATUS
asserts when the device finishes receiving configuration
CONF_DONE
, except after an error. For
nCONFIG
high, the Intel Agilex device
nCONFIG
high, you must also
nSTATUS
signal from earlier device
nSTATUS
pins. Previous device families
CONF_DONE
). and
.qsf CONF_DONE
Reset Release Intel FPGA
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