HardFault MKE14 PMSM sensorless

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HardFault MKE14 PMSM sensorless

Contributor I

We are using MKE14F256VLH16 to drive sensorless PMSM. We are using SDK 2.7.0. When we made our custom board, we have removed external crystal and enable internal RC oscillator clock source.

Everything works great but sometime it gives hard fault randomly like:

1. The processor has escalated a configurable-priority exception to HardFault
     A bus fault has occured on an instruction prefetch (CFSR IBUSERR, BFAR)

2. A coprocessor access error has occured (CFSR NOCP)

3. An instruction executed with invalid EPSR, T or EPSR, IT filed (CFSR, INVSTATE)

We are seeking quick and paid help from NXP.

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NXP Employee
NXP Employee

Hi Ghanshyambhai Sangani


For a quick support experience, please take a look at our paid services in NXP Engineering Services to get a quote for the support services that you need.


Please let me know if you need any more information, or if you're interested in our free support instead.



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