MC68HC908JB16_13 Datasheet, PDF (109/332 Pages) Freescale Semiconductor, Inc – Microcontrollers

FROM RESET
System Integration Module (SIM)
BREAIKBINTTSEERTR?UPT?
YES
NO
YES
I BIT SET?
NO
USB
YES
INTERRUPT?
NO
IRQ
YES
INTERRUPT?
NO
(As many interrupts as exist on chip)
STACK CPU REGISTERS.
SET I BIT.
LOAD PC WITH INTERRUPT VECTOR.
FETCH NEXT
INSTRUCTION.
SWI
YES
INSTRUCTION?
NO
RTI
YES
INSTRUCTION?
NO
UNSTACK CPU REGISTERS.
EXECUTE INSTRUCTION.
Figure 8-8. Interrupt Processing
MC68HC908JB16 — Rev. 1.1
Freescale Semiconductor
System Integration Module (SIM)
Technical Data
109