mc68hc05j1avp Freescale Semiconductor, Inc, mc68hc05j1avp Datasheet - Page 48

• Manufacturer Part Number: mc68hc05j1avp
• Description: M68hc05 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Interrupts
Technical Data
48
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
UNSTACK CCR, A, X, PCH, PCL
STACK PCL, PCH, X, A, CCR
EXECUTE INSTRUCTION
CLEAR IRQ LATCH
SET I BIT
MC68HC05J1A — Rev. 3.0
MOTOROLA