MC68HC05K1 FREESCALE [Freescale Semiconductor, Inc], MC68HC05K1 Datasheet - Page 52

• Manufacturer Part Number: MC68HC05K1
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Technical Data
Technical Data
Figure 4-4
Freescale Semiconductor, Inc.
For More Information On This Product,
YES
shows the sequence of events caused by an interrupt.
Go to: www.freescale.com
INSTRUCTION?
INSTRUCTION?
INSTRUCTION
FETCH NEXT
INTERRUPT?
INTERRUPT?
EXTERNAL
I BIT SET?
RESET
TIMER
FROM
SWI
RTI
Figure 4-4. Interrupt Flowchart
NO
NO
NO
NO
NO
Interrupts
YES
YES
YES
YES
LOAD PC WITH INTERRUPT VECTOR
MC68HC05K0 • MC68HC05K1 — Rev. 2.0
EXECUTE INSTRUCTION
UNSTACK CCR, A, X, PC
STACK PC, X, A, CCR
CLEAR IRQF BIT
SET I BIT