MC68306FC16 Datasheet, PDF (81/191 Pages) Motorola, Inc – Integrated EC000 Processor

ENTRY
SAVE INTERNAL
COPY OF SR
S ±1
T ±0
(SEE NOTE)
FETCH VECTOR
NUMBER
OTHERWISE
BUS ERROR
SAVE CONTENTS
TO STACK FRAME
(SEE NOTE)
(DOUBLE BUS FAULT)
OTHERWISE
BUS ERROR
EXECUTE EXCEPTION
HANDLER
(DOUBLE BUS FAULT)
OTHERWISE
BEGIN INSTRUCTION
EXECUTION
BUS ERROR OR
ADDRESS ERROR
(DOUBLE BUS FAULT)
EXIT
EXIT
NOTE: These blocks vary for reset and interrupt exceptions.
EC28
Figure 4-3. General Exception Processing Flowchart
MOTOROLA
MC68306 USER'S MANUAL
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