MC68HC908KX8 Datasheet, PDF (89/310 Pages) Motorola, Inc – Microcontrollers

System Integration Module (SIM)
Program Exception Control
FROM RESET
YES
I BIT SET?
NO
IRQ1
YES
INTERRUPT
?
NO
ICG CLK MON ^YES
INTERRUPT
?
NO
OTHER
YES
INTERRUPTS
?
NO
STACK CPU REGISTERS
SET I BIT
LOAD PC WITH INTERRUPT VECTOR
FETCH NEXT
INSTRUCTION
SWI
INSTRUCTION
YES
?
NO
RTI
INSTRUCTION
YES
?
NO
UNSTACK CPU REGISTERS
EXECUTE INSTRUCTION
Figure 6-9. Interrupt Processing
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
MOTOROLA
System Integration Module (SIM)
Technical Data
89