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TMS320F280039C: Lin can not work

Part Number: TMS320F280039C
Other Parts Discussed in Thread: C2000WARE

Hi expert,

Customer wants to  configured Lin in Sci mode, but they found the data reception interrupt cannot be entered.

They located the reason in RXENA and TXENA cannot be written to 1.

Below is the configue code:

they also tried bit field method. but still not work.

And I alos tried the demo code in C2000ware, it can not set these bits to 1, either.

Could you kindly help to give some suggestion?

BR

Emma