CCS/UCD3138: One of the fast interrupts is triggered, but the other interrupt flag bits are 1

user5006419

Part Number: UCD3138

Tool/software: Code Composer Studio

question : One of the fast interrupts is triggered, but the other interrupt flag bits are 1

For example ,Fast interrupt is triggered by acomp_C , FaultMuxRegs.FAULTMUXINTSTAT.bit.ACOMP_B=1 , the other interrupt flag bits are 1 ( FaultMuxRegs.FAULTMUXINTSTAT.bit.ACOMP_C , FaultMuxRegs.FAULTMUXINTSTAT.bit.ACOMP_D ) .

Is this normal?

What's the solution?

over 7 years ago

0 Yitzhak Bolurian over 7 years ago

TI__Mastermind 18370 points

Do you read the register FaultMuxRegs.FAULTMUXINTSTAT once in the beginning of your program?

This will clear the register after powerup.

I have seen at times that during the powerup these bits are randomly set and need to be cleared.

Regards,

Power management

Power management forum

CCS/UCD3138: One of the fast interrupts is triggered, but the other interrupt flag bits are 1