Datasheet

System Integration Module (SIM)
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
230 Freescale Semiconductor
Figure 15-10. Interrupt Processing
NO
NO
NO
YES
NO
NO
YES
NO
YES
YES
FROM RESET
I BIT SET?
IRQ
INTERRUPT
CGM
INTERRUPT
FETCH NEXT
INSTRUCTION
UNSTACK CPU REGISTERS
STACK CPU REGISTERS
SET I BIT
LOAD PC WITH INTERRUPT VECTOR
EXECUTE INSTRUCTION
YES
YES
I BIT SET?
YES
OTHER
INTERRUPTS
NO
SWI
INSTRUCTION
RTI
INSTRUCTION
?
?
?
?
?
BREAK
INTERRUPT
?