MC68HC908GT16 Datasheet, PDF (79/412 Pages) Motorola, Inc – Microcontrollers

Resets and Interrupts
Interrupts
FROM RESET
BREAK
YES
INTERRUPT
?
NO
YES
I BIT SET?
NO
IRQ
YES
INTERRUPT
?
NO
ICG
YES
INTERRUPT
?
NO
OTHER
YES
INTERRUPTS
?
NO
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 4-6. Interrupt Processing
MC68HC908GT16 • MC68HC908GT8 — Rev. 2
MOTOROLA
Resets and Interrupts
Technical Data
79