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systemPowerDown can not work on TMS570lc4357

jian li93
Prodigy 120 points

Hi,

I want to use RTI interrupt to wake up DOZE or SNOOZE mode which entry by using systemPowerDown  functon. But after calling systemPowerDown , I can not get RTI interrupt and CPU stopped. 

RTI interrupt can work well if I do not call systemPowerDown  .

So what else should I do to wake CPU by rti interrupt?

thanks

li jian