MPC5746C getting stuck in IVOR1_Handler and ADC_ER_IRQHandler

[Bhuvaneshwaran_K]

Hai,

MPC5746C is getting stuck with a IVOR1_Handler and ADC_ER_IRQHandler after operating normally for 5 hours.

#define configCPU_CLOCK_HZ ( 16000000UL )
#define configTICK_RATE_HZ ( ( TickType_t ) 1000 )

#define configMAX_PRIORITIES ( 23 )

FreeRTOS is being used.

Can you help us in this regard?

[Bhuvaneshwaran_K]

This is how the registers look like when the IVOR1_Handler occurs.

[petervlna]

Hello,

Ok, so you hava exception on read/write on address 0x12.

Which is expected if you read from reserved area:

Make sure your SW and linker is aligned with your device memory range.

Best regards,
Peter

[petervlna]

Hello,

OK, first of all check the FCCU, for possible faults latched. Registers NCFSx.

Also check MCSR:

Best regards,

Peter