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ZzSun
Visitor
Visitor
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Registered: ‎08-27-2020

After switching to QSPI mode, init_ B signal is always at low level, and when JTAG is connected, the following warning will be given

After switching to QSPI mode, init_ B signal is always at low level, and when JTAG is connected, the following warning will be given:

CRITICAL WARNING: [Labtools 27-3421] xczu27dr_0 PL Power Status OFF, cannot connect PL TAP. Check POR_B signal.

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abommera
Xilinx Employee
Xilinx Employee
113 Views
Registered: ‎10-12-2018

Hi @ZzSun,

>> Make sure all your power rails are above threshold levels before and during the configuration.

>> Are you configuring FPGA from QSPI flash? Seems your bit file might be corrupted. Can you try without bit file in your boot image?

Thanks & Regards
Anil B
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