MC68HC705J MOTOROLA [Motorola, Inc], MC68HC705J Datasheet - Page 77

• Manufacturer Part Number: MC68HC705J
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC705J1A — Rev. 4.0
MOTOROLA
Function
interrupts
1. The COP watchdog is programmable in the mask option register.
Software
interrupt
External
interrupt
STACKING
Reset
(SWI)
Timer
ORDER
5
4
3
2
1
UNSTACKING
ORDER
1
2
3
4
5
illegal address
Table 4-4. Reset/Interrupt Vector Addresses
IRQ/V
watchdog
RESET pin
User code
Power-on
RTIF bit
Source
TOF bit
Resets and Interrupts
COP
Figure 4-6. Interrupt Stacking Order
PP
pin
(1)
PROGRAM COUNTER (HIGH BYTE)
PROGRAM COUNTER (LOW BYTE)
TOIE bit
RTIE bit
CONDITION CODE REGISTER
Local
Mask
None
None
IRQE
INDEX REGISTER
ACCUMULATOR
•
•
•
•
•
•
Global
Mask
None
None
I bit
I bit
(1 = Highest)
Same priority
as instruction
Priority
1
2
3
$00C0 (BOTTOM OF STACK)
$00C1
$00C2
$00FD
$00FE
$00FF (TOP OF STACK)
Resets and Interrupts
•
•
•
•
•
•
$07FC–$07FD
$07FE–$07FF
$07FA–$07FB
$07F8–$07F9
Technical Data
Address
Vector
Interrupts
77