S32k146 power-on periodic reset

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S32k146 power-on periodic reset

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luoxin1
Contributor I

S32k146 debugging encountered a problem, a board that has never burned the program, the reset signal is periodically reset, unable to burn. The programmer used v9.5 JLINK.

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danielmartynek
NXP TechSupport
NXP TechSupport

Hello,

The periodic reset caused by core lockups is expected as the Flash is blank. 

How do you program the MCU and what is the output of the programmer?

If you use a script, basic connection steps are described in AN12130 Production Flash Programming Best Practices for S32K1xx MCUs.

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BR, Daniel

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79vlfdy
Contributor I

Hello.. Daniel

I have the same problem. So, the community were checked.

But,  it has not yet been resolved.

Can you help me?  A detailed description is required.

If possible, please check the below.

[build tool]

1. S/W tool : S32K Design Studio & PE-micro

2. H/W tool : S32K146 EVB

                     Self-developed product(proto type)

[Problem]

1. Proto-type board is not work.

     -. PE-micro do not recognize Proto-type.

     -. (Proto-type)Reset pin toggles about every 120us.

2. S32K146 EVB board is not work.

     -. PE-micro do not recognize (JTAG mode)

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