Datasheet

Resets and Interrupts
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
174 Freescale Semiconductor
Figure 14-5. Interrupt Processing
NO
NO
NO
YES
NO
NO
YES
NO
YES
YES
FROM RESET
BREAK
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?
INTERRUPT
YES
OTHER
INTERRUPTS
NO
SWI
INSTRUCTION
RTI
INSTRUCTION
?
?
?
?
?
?