•
When the MSEL setting on the PCB is not JTAG, if you use the JTAG interface for reconfiguration after an initial
reconfiguration using AS or the Avalon-ST interface, the .sof must be in the file format you specified in the Intel Quartus
Prime project. For example, if you initially configure the MSEL pins for AS configuration and configure using the AS
scheme, a subsequent JTAG reconfiguration using a .sof generated for Avalon-ST fails.
•
Clearing the RSU_STATUS command after the JTAG reconfiguration depends on your Intel Quartus Prime software version.
In earlier Intel Quartus Prime software versions, the RSU_STATUS is not cleared after the JTAG reconfiguration. Starting
with the Intel Quartus Prime 20.3 version, the system clears the RSU_STATUS after the JTAG reconfiguration.
•
Ensure that during the power up, no external component drives the nSTATUS signal low.
•
If the JTAG configuration is failing when MSEL is set to AS configuration mode, erase the QSPI flash device by loading
the .jic file in the Intel Quartus Prime Programmer without configuring the helper image, start erasing the QSPI flash
device, and then power cycle the board before retrying the JTAG configuration.
3. Intel Agilex Configuration Schemes
683673 | 2021.10.29
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