XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 238

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

External Interrupt Module (IRQ)
Technical Data
238
YES
External Interrupt Module (IRQ)
INSTRUCTION?
INSTRUCTION?
INSTRUCTION.
Figure 17-2. IRQ Interrupt Flowchart
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.
STACK CPU REGISTERS.
EXECUTE INSTRUCTION.
SET I BIT.
MC68HC908AZ60A — Rev 2.0
MOTOROLA