MC68HC08JK1 Datasheet, PDF (76/198 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
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
76
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)
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Go to: www.freescale.com
MC68H(R)C08JL3 — Rev. 4
MOTOROLA