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How to operate vector interrupt with the main clock?

Last Updated:12/26/2017


Is it necessary to input an instruction that makes the CPU clock the main clock at the beginning of the vector interrupt to operate the vector interrupt with the main clock?


It is necessary to start oscillation of the main clock after releasing from the standby (STOP / HALT) mode.  
After the oscillation stabilizes, you have to switch to the main clock.
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RL78 Family
78K Family