mc68hc705j2 Freescale Semiconductor, Inc, mc68hc705j2 Datasheet - Page 51

• Manufacturer Part Number: mc68hc705j2
• Description: 8-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC705J2
YES
Figure 5-3. Interrupt Flowchart
INSTRUCTION.
INSTRUCTION
INSTRUCTION
FETCH NEXT
INTERRUPT
INTERRUPT
INTERRUPT
EXTERNAL
MASK SET
RESET
FROM
TIMER
RESETS AND INTERRUPTS
SWI
RTI
?
?
?
?
?
NO
NO
NO
NO
NO
YES
YES
YES
YES
RESTORE REGISTERS
CCR, A, X, PCH, PCL
INSTRUCTION.
FROM STACK
STACK PCL, PCH, X, A, CCR
SET INTERRUPT MASK.
LOAD PC WITH VECTOR:
MC68HC705J2 NATIVE MOD
TIMER: $0FF8, $0FF9
EXTERNAL: $0FFA, $0FFB
SOFTWARE: $0FFC, $0FFD
MC68HC05J1 EMULATION M
TIMER: $07F8, $07F9
EXTERNAL: $07FA, $07FB
SOFTWARE: $07FC, $07FD
EXECUTE
CLEAR IRQ
REQUEST
LATCH.
MOTOROLA
5-5