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C5509A repeated Interrupts During CPU Domain Idle. (CLKGEN Domain Active)

Shinji Ueda
Expert 5440 points

Other Parts Discussed in Thread: TMS320VC5509A

Hi champs,

My customer has a question about C5509A errata.

TMS320VC5509A Silicon Errata(SPRZ200E P.28),
In case of CLKGEN in idle and the external interrupt is driven low to wake up the CPU,
repeated interrupt will be generated until the external interrupt signal driven high after the CPU wakes up.

Customer's case is CPU in idle (CLKGEN is active).
But repeated interrupt generated until the external interrupt signal driven high after the CPU wakes up.

Is this problem is same as a errata?
Is there other cause?

Regards,
Shinji Ueda