Cannot debug custom board with lpc54S016 controller, gets struck in ResetISR()

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Cannot debug custom board with lpc54S016 controller, gets struck in ResetISR()

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NVazquez
Contributor IV

I tried to debug the code on one of our new prototype board, but I get struck in ResetISR()

 

 

I get this screen when I enter into debug section,

NVazquez_0-1657058265900.png

 

When I hit pause I get struck here,

 

NVazquez_1-1657058290958.png

 

I think something is not right with the BootROM.

Not sure what's going on, any help is appreciated. 

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NVazquez
Contributor IV

I created a new project and added parts from the old project. Right now the new project is exactly the same as old one( in which debug didn't work ), but I can debug the new project. 

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NVazquez
Contributor IV

I created a new project and added parts from the old project. Right now the new project is exactly the same as old one( in which debug didn't work ), but I can debug the new project. 

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xiangjun_rong
NXP TechSupport
NXP TechSupport

Hi,

I do not think the phenomenon is related is BOOT ROM.

I suppose that your hardware has issue, which force the LPC54s016 to reset constantly.

pls check the power supply pins, spifi flash, clock...

BR

XiangJun Rong

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NVazquez
Contributor IV

I tried to write a small code with initialization, and I was able to program the board and also debug the code. Can we eliminate that there might be something wrong with the hardware?  

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