mc68ec040v Freescale Semiconductor, Inc, mc68ec040v Datasheet - Page 102

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

4- 18
Alternate Master Read Hit
(Snoop Control = 10
— Invalidate)
Alternate Master Write Hit
(Snoop Control = 10
—Invalidate)
Alternate Master Write Hit
(Snoop Control = 01
— Sink Data and
Size
Alternate Master Write Hit
(Snoop Control = 01
— Sink Data and
Size = Line)
Cache Operation
Line)
Table 4-4. Data-Cache Line State Transitions (Continued)
I10 Not Possible
I11 Not Possible
I12 Not Possible
I13 Not Possible
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Invalid Cases
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V10 No action; go to invalid
V11 No action; go to invalid
V12 No action; go to invalid
V13 No action; go to invalid
Current State
state.
state.
state.
state.
Valid Cases
D10 Inhibit memory and
D11 No action; go to invalid
D12 Inhibit memory and
D13 No action; go to invalid
source data; go to
invalid state
state.
sink data; set Dn bits
of modified long
words; remain in
current state.
state.
Dirty Cases
MOTOROLA