mc68hc08qa24 Freescale Semiconductor, Inc, mc68hc08qa24 Datasheet - Page 184

• Manufacturer Part Number: mc68hc08qa24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

External Interrupt (IRQ)
Technical Data
182
YES
External Interrupt (IRQ)
INSTRUCTION?
INSTRUCTION?
Figure 15-2. IRQ Interrupt Flowchart
INSTRUCTION
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
EXECUTE INSTRUCTION
STACK CPU REGISTERS
SET I BIT
Freescale Semiconductor
MC68HC08QA24