MC68HC908GP20 Datasheet, PDF (78/406 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

FROM RESET
BREAK
INTERRUPT
?
NO
YES
YES
IIBBIITTSSEETT??
NO
IRQ
INTERRUPT
?
NO
YES
CGM
INTERRUPT
?
NO
YES
OTHER
INTERRUPTS
?
NO
YES
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 4-6. Interrupt Processing
Advance Information
78
MC68HC908GP20 — Rev 2.1
Freescale Semiconductor