MC68HC908JL3E Datasheet, PDF (88/226 Pages) Motorola, Inc – Microcontrollers

System Integration Module (SIM)
FROM RESET
YES
BREAIKBINTTSEERTR?UPT?
NO
YES
I BIT SET?
NO
IRQ
YES
INTERRUPT?
NO
TIMER
YES
INTERRUPT?
NO
(As many interrupts as exist on chip)
STACK CPU REGISTERS.
SET I BIT.
LOAD PC WITH INTERRUPT VECTOR.
Technical Data
88
FETCH NEXT
INSTRUCTION
SWI
YES
INSTRUCTION?
NO
RTI
YES
INSTRUCTION?
NO
UNSTACK CPU REGISTERS.
EXECUTE INSTRUCTION.
Figure 7-8. Interrupt Processing
MC68H(R)C908JL3E/JK3E/JK1E — Rev. 2.0
System Integration Module (SIM)
MOTOROLA