MC68HC705KJ1 Datasheet, PDF (76/108 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Resets and Interrupts
UNSTACKING
•
ORDER
•
•
$00C0 (BOTTOM OF STACK)
$00C1
$00C2
•
•
•
5
1
4
2
3
3
2
4
1
5
CONDITION CODE REGISTER
ACCUMULATOR
INDEX REGISTER
PROGRAM COUNTER (HIGH BYTE)
PROGRAM COUNTER (LOW BYTE)
STACKING
ORDER
•
•
•
•
•
•
$00FD
$00FE
$00FF (TOP OF STACK)
Figure 8-6. Interrupt Stacking Order
Table 8-4. Reset/Interrupt Vector Addresses
Function
Reset
Software Interrupt
(SWI)
Source
Power-On
RESET Pin
COP Watchdog⁽¹⁾
Illegal Address
User Code
Local
Mask
None
Global
Mask
None
None
None
External Interrupt
Timer Interrupts
IRQ/V_PP Pin
RTIF Bit
TOF Bit
IRQE
I Bit
RTIE Bit
TOIE Bit
I Bit
1. The COP watchdog is programmable in the mask option register.
Priority
(1 = Highest)
1
Same Priority
as Instruction
2
3
Vector
Address
$07FE–$07FF
$07FC–$07FD
$07FA–$07FB
$07F8–$07F9
MC68HC705KJ1 • MC68HRC705KJ1 • MC68HLC705KJ1 Data Sheet, Rev. 4.1
76
Freescale Semiconductor