MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 81
MC68EC040RC25
Manufacturer Part Number
MC68EC040RC25
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040RC25.pdf
(442 pages)
Specifications of MC68EC040RC25
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
25MHz
Instruction Set Architecture
RISC
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
179
Package Type
PGA
Lead Free Status / Rohs Status
Supplier Unconfirmed
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* Refers to either instruction or data transparent translation register.
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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
Go to: www.freescale.com
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
OTHERWISE
TTR0* [U1,U0]
TTR0* [CM]
EXIT
MOTOROLA
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