mc68ec040v Freescale Semiconductor, Inc, mc68ec040v Datasheet - Page 216

• Manufacturer Part Number: mc68ec040v
• Description: M68040 User Manual
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
Figure 8-1. General Exception Processing Flowchart
Freescale Semiconductor, Inc.
NOTE: These blocks vary for reset and interrupt exceptions.
EXECUTE EXCEPTION
BEGIN INSTRUCTION
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TO STACK FRAME
SAVE CONTENTS
FETCH VECTOR
SAVE INTERNAL
LONG WORDS
PREFETCH 4
OTHERWISE
COPY OF SR
OTHERWISE
(SEE NOTE)
(SEE NOTE)
OTHERWISE
EXECUTION
HANDLER
T1, T0 0
NUMBER
ENTRY
EXIT
S 1
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M68040 USER’S MANUAL
ADDRESS ERROR
BUS ERROR
BUS ERROR OR
BUS ERROR
(DOUBLE BUS FAULT)
(DOUBLE BUS FAULT)
(DOUBLE BUS FAULT)
(PST3–PST0 = $5)
HALTED STATE
EXIT
8- 3