MC68HC08AZ60 Datasheet, PDF (95/452 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
System Integration Module (SIM)
Program Exception Control
FROM RESET
YES
BREAIKBINTTSEERTR?UPT?
NO
YES
I BIT SET?
NO
IRQ
INTERRUPT?
NO
(AS MANY INTERRUPTS
AS EXIST ON CHIP)
YES
STACK CPU REGISTERS.
SET I BIT.
LOAD PC WITH INTERRUPT VECTOR.
13-sim
MOTOROLA
FETCH NEXT
INSTRUCTION.
SWI
YES
INSTRUCTION?
NO
RTI
YES
INSTRUCTION?
NO
UNSTACK CPU REGISTERS.
EXECUTE INSTRUCTION.
Figure 9. Interrupt Processing
MC68HC08AZ60 — Rev 1.0
System Integration Module (SIM)
95
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