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Why does CANCTL0.SYNCH always equal to ZERO!?

Question asked by everk image on Aug 2, 2018
Latest reply on Aug 13, 2018 by Edward Karpicz

My MPU is MC9S12XEP,and it has 4 CAN channel,i use CAN0,1,4.

I config CAN4 outpin to PM4,5.

The config functions is almost same,

After configuration,

CAN0CTL0 = 0x14;

CAN1CTL0 = 0x14;

CAN4CTL0 = 0x04;   //no SYNCH

and the result is CAN0,1 woks fine,but no pulse output from PM4,5.

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