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CHAPTER 24
STANDBY FUNCTION
User’s Manual U12697EJ4V1UD
Figure 24-5. Operations After Releasing HALT Mode (4/4)
(6) HALT mode which the interrupt is held, which is enabled in an instruction that interrupt requests are
temporarily held
HALT mode release
Interrupt servicing
Main routine
MOV STBC, #byte
EI
Interrupt request
Interruption held for the
space of eight clocks
(7) Conflict between HALT mode setting instruction and interrupt
Interrupt servicing
Main routine
MOV STBC, #byte
Execute instruction up to 6th clock
Interrupt request
HALT mode not executed