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TDA3MV: issues when osc1 was removed

Part Number: TDA3MV

Dear Champs,

When customer removed osc1 in their custom board, they found below issues related with QSPI flash.

Is there any relation between SYS_CLK2(or osc1) and QSPI flash?

1. When qspiFlashWriter_m4)release.xem4 load & run to flash QSPI flash, there was halt occurred after selecting device type.

2. With osc1 attached, they have found below message from SBL when boot-up.

But, when they removed osc1 in their HW, they found below new message.

Could you please check why this osc1 removing in HW will impact to QSPI flash?

I could not find any relation between SYS_CLK2 and QSPI flash in CTT tool and TRM.

And, customer also has some trouble to use CTT tool.

Could you please let me know how they can apply CTT tool output(register dump(rd1 & rd2 file)?) in their SW?

Thanks and Best Regards,