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MPC5644a read/write flexcan registers error

Question asked by Hao Wu on Apr 29, 2019
Latest reply on May 16, 2019 by David Tosenovjan

Hello, Guys. i am working on MPC 5644A flexcan module.  Any read/write to flexcan registers makes my program jump to below portion of  ivor_branch_table() and stuck there forever. Any suggestion where do i go wrong is highly appreciated!

 

asm void ivor_branch_table()

{

...

IVOR1trap: b IVOR1trap // Machine check / (NMI) interrupt handler
                                       // ISI, ITLB Error on first instruction fetch for an exception handler
                                       // Parity Error signaled on cache access
                                        // External bus error

...

}

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