MC68HC908JB8 Datasheet, PDF (105/286 Pages) Motorola, Inc – MICROCONTROLLERS

FROM RESET
BREAK
YES
INTERRUPT
?
NO
YES
IIBBIITTSSEETT??
NO
IRQ
YES
INTERRUPT
?
NO
USB
YES
INTERRUPT
?
NO
OTHER
YES
INTERRUPTS
?
NO
System Integration Module (SIM)
Exception Control
STACK CPU REGISTERS
SET I BIT
LOAD PC WITH INTERRUPT VECTOR
FETCH NEXT
INSTRUCTION
SWI
INSTRUCTION
YES
?
NO
RTI
INSTRUCTION
YES
?
NO
UNSTACK CPU REGISTERS
EXECUTE INSTRUCTION
Figure 8-8. Interrupt Processing
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
System Integration Module (SIM)
Technical Data
105