MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 81

• Manufacturer Part Number: MC68EC040RC25
• Manufacturer: Freescale Semiconductor

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

3-32
* 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