MC68HC705C9ACB MOTOROLA [Motorola, Inc], MC68HC705C9ACB Datasheet - Page 55

• Manufacturer Part Number: MC68HC705C9ACB
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC705C9A — Rev. 4.0
MOTOROLA
RESTORE REGISTERS
FROM STACK:
CCR,A,X,PC
Y
Freescale Semiconductor, Inc.
Y
For More Information On This Product,
Figure 4-1. Interrupt Flowchart
IRQ OR PORT B
INSTRUCTION
INSTRUCTION
EXTERNAL
INTERRUPT
INSTRUCTION
FROM RESET
INSTRUCTION
INTERRUPT
INTERNAL
INTERRUPT
FETCH NEXT
INTERRUPT
INTERNAL
EXECUTE
INTERNAL
TIMER
IN CCR
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SET?
I BIT
SWI
RTI
SPI
SCI
?
?
N
N
N
N
N
N
N
Interrupts
Y
Y
Y
Y
Y
CLEAR IRQ
REQUEST
LATCH
TIMER: $3FF8-$3FF9
SWI: $3FFC-$3FFD
LOAD PC FROM:
IRQ: $3FFA-$3FFB
SCI: $3FF6-$3FF7
SPI: $3FF4-$3FF5
CC REGISTER
SET I BIT IN
PC,X,A,CCR
STACK
Advance Information
SPI Interrupt
Interrupts
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