mc68ec040v Freescale Semiconductor, Inc, mc68ec040v Datasheet - Page 81

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

3- 32
* Refers to either instruction or data transparent translation register.
TABLE SEARCH
ABORT CYCLE
OPERATION
TAKE ACCESS ERROR
ABORT CYCLE
(WRITE OR RMW CYCLE)
EXCEPTION
(M = 0) AND
(WRITE OR RMW CYCLE)]
Figure 3-22. Address Translation Flowchart
ATC MISS
Freescale Semiconductor, Inc.
[(W = 1) AND
(R = 0) OR
For More Information On This Product,
UPA
CM
PA
M68040 USER'S MANUAL
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OTHERWISE
OTHERWISE
OTHERWISE
ATC ENTRY [U1,U0]
ATC ENTRY [PA]
ATC ENTRY [CM]
ATC HIT
ENTRY
EXIT
UPA
PA
CM
OTHERWISE
LOGICAL ADDRESS
TTR1* [U1,U0]
TTR1* [CM]
LOGICAL ADDRESS
EXIT
MATCHES WITH
(TTR1*[W] = 1) AND
(WRITE OR RMW
TTRx*
OTHERWISE
ACCESS)
TAKE ACCESS ERROR
ABORT CYCLE
EXCEPTION
MATCHES WITH TTR0*
LOGICAL ADDRESS
(TTR0*[W] = 1) AND
(WRITE OR RMW
ACCESS)
UPA
PA
CM
LOGICAL ADDRESS
TTR0* [U1,U0]
OTHERWISE
TTR0* [CM]
EXIT
MOTOROLA