MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 180

• Manufacturer Part Number: MC68HC708AS48
• Description: Advance Information
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

External Interrupt
Advance Information
180
YES
INSTRUCTION?
INSTRUCTION?
INSTRUCTION.
Figure 14-3. IRQ Interrupt Flowchart
External Interrupt
FROM RESET
INTERRUPT?
FETCH NEXT
I BIT SET?
SWI
RTI
NO
NO
NO
NO
YES
YES
YES
LOAD PC WITH INTERRUPT VECTOR.
UNSTACK CPU REGISTERS.
STACK CPU REGISTERS.
EXECUTE INSTRUCTION.
SET I BIT.
MC68HC708AS48
MOTOROLA
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Rev. 4.0