mc68hc05j1avp Freescale Semiconductor, Inc, mc68hc05j1avp Datasheet - Page 47

• Manufacturer Part Number: mc68hc05j1avp
• Description: M68hc05 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC05J1A — Rev. 3.0
MOTOROLA
Table 4-1
assignments.
Function
1. The COP watchdog is a mask option.
2. Port A external interrupt capability is a mask option.
interrupts
Software
interrupt
External
interrupt
STACKING
Reset
Freescale Semiconductor, Inc.
(SWI)
Timer
ORDER
5
4
3
2
1
For More Information On This Product,
UNSTACKING
ORDER
summarizes the reset and interrupt sources and vector
1
2
3
4
5
COP watchdog
illegal address
Table 4-1. Reset/Interrupt Vector Addresses
Go to: www.freescale.com
RESET pin
User code
PA3 pin
PA2 pin
PA1 pin
PA0 pin
Power-on
Source
RTIF bit
TOF bit
IRQ pin
(2)
(2)
(2)
(2)
Interrupts
Figure 4-3. Stacking Order
(1)
PROGRAM COUNTER (HIGH BYTE)
PROGRAM COUNTER (LOW BYTE)
CONDITION CODE REGISTER
TOFE bit
IRQE bit
RTIE bit
Local
Mask
None
None
INDEX REGISTER
ACCUMULATOR
•
•
•
•
•
•
Global
Mask
None
None
None
None
None
I bit
I bit
(1 = Highest)
Same priority
as instruction
Priority
1
1
1
1
2
3
$00C0 (BOTTOM OF STACK)
$00C1
$00C2
$00FD
$00FE
$00FF (TOP OF STACK)
Interrupt Processing
•
•
•
•
•
•
Vector Address
$07FC–$07FD
$07FA–$07FB
$07FE–$07FF
$07F8–$07F9
Technical Data
Interrupts
47