MC68HC908MR8 Datasheet, PDF (101/372 Pages) Motorola, Inc – Microcontrollers

FROM RESET
System Integration Module (SIM)
Exception Control
BREAIKBINTTSEERTR?UPT?
YES
NO
YES
I BIT SET?
NO
INT0
YES
INTERRUPT?
NO
INT1
INTERRUPT?
NO
AS MANY INTERRUPTS AS EXIST ON CHIP
YES
STACK CPU REGISTERS
SET I BIT
LOAD PC WITH INTERRUPT VECTOR
FETCH NEXT
INSTRUCTION
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
SWI
YES
INSTRUCTION?
NO
RTI
YES
INSTRUCTION?
NO
UNSTACK CPU REGISTERS
EXECUTE INSTRUCTION
Figure 7-9. Interrupt Processing
System Integration Module (SIM)
Technical Data
101