MC68HC908JK1 Datasheet, PDF (82/210 Pages) Motorola, Inc – MC68HC908JK1

System Integration Module (SIM)
FROM RESET
YES
BREAIKBINTTSEERTR?UPT?
NO
YES
I BIT SET?
NO
IRQ
YES
INTERRUPT?
NO
TIMER
INTERRUPT?
NO
(As many interrupts as exist on chip)
YES
STACK CPU REGISTERS.
SET I BIT.
LOAD PC WITH INTERRUPT VECTOR.
Technical Data
82
FETCH NEXT
INSTRUCTION
SWI
YES
INSTRUCTION?
NO
RTI
YES
INSTRUCTION?
NO
UNSTACK CPU REGISTERS.
EXECUTE INSTRUCTION.
Figure 7-8. Interrupt Processing
System Integration Module (SIM)
MC68H(R)C908JL3 — Rev. 1.0
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