Sergey Sivoshapka

HCS12X MSCAN and ISR priority

Discussion created by Sergey Sivoshapka on May 14, 2012
Latest reply on May 18, 2012 by kef

Hi for All,

 

I`m use MSCAN MC9S12XET256MAG.

 

Module MSCAN is interrupt driven with priority 3.

If I use additional timer interrupt with priority 5 than CAN messages is lost ( not passed ).

 

Why?

 Best regards.

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