MC68HC705J MOTOROLA [Motorola, Inc], MC68HC705J Datasheet - Page 78

• Manufacturer Part Number: MC68HC705J
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Resets and Interrupts
Technical Data
78
YES
INSTRUCTION?
INSTRUCTION?
INSTRUCTION
FROM RESET
INTERRUPT?
INTERRUPT?
FETCH NEXT
EXTERNAL
Resets and Interrupts
I BIT SET?
TIMER
SWI
RTI
NO
NO
NO
NO
NO
Figure 4-7. Interrupt Flowchart
YES
YES
YES
YES
LOAD PC WITH INTERRUPT VECTOR
EXECUTE INSTRUCTION
UNSTACK CCR, A, X, PC
STACK PC, X, A, CCR
CLEAR IRQ LATCH
SET I BIT
MC68HC705J1A — Rev. 4.0
MOTOROLA