MKL17Z64VFM4 MCU,Why do enter BOOT ROOM endless loop?I should how to set FOPT for to run my application

[thoomanwang]

I use a MKL17Z64VFM MCU,when i run debug, system enter BOOT ROOM mode,and it is a endless loop,Should i how to set FOPT ?

I hava try to many combination，But result is same.

[Robin_Shen]

Please read "13.3.3 Start-up Process" of KL17P64M48SF2RM and then check these conditions:

Best Regards,

Robin

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[thoomanwang]

because the board is my manual solder,i do not find a tin ball link NMI to gnd

Thanks

Thooman