MC68HC08AS32A Datasheet, PDF (208/296 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
System Integration Module (SIM)
FROM RESET
Data Sheet
208
YES
BREAIKBINTTSEERTR?UPT?
NO
YES
I BIT SET?
NO
IRQ0
YES
INTERRUPT?
NO
IRQ1
YES
INTERRUPT?
NO
AS MANY INTERRUPTS
AS EXIST ON CHIP
STACK CPU REGISTERS
SET I BIT
LOAD PC WITH INTERRUPT VECTOR
FETCH NEXT
INSTRUCTION
SWI
YES
INSTRUCTION?
NO
RTI
YES
INSTRUCTION?
NO
UNSTACK CPU REGISTERS
EXECUTE INSTRUCTION
Figure 14-11. Interrupt Processing
System Integration Module (SIM)
For More Information On This Product,
Go to: www.freescale.com
MC68HC08AS32A — Rev. 1
MOTOROLA