MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 100

• 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

4-16
ABBREVIATIONS:
WT—WRITE-THROUGH MODE
CB—COPYBACK MODE
SNOOP OPERATION INDICATES:
READ OR WRITE / SNOOP CONTROL
ENCODING
I4—CPU WRITE MISS/WT
I7—CINV
I8—CPUSH
D7—CINV
D8—CPUSH
D10—SNOOP READ
D11—SNOOP WRITE HIT/
D13—SNOOP WRITE HIT/SINK
HIT/INVALIDATE
INVALIDATE
DATA & SIZE = LINE
INVALID
I3—CPU WRITE MISS/CB
Figure 4-6. Data-Cache Line State Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
V7—CINV
V8—CPUSH
V10—SNOOP READ HIT/INVALIDATE
V11—SNOOP WRITE HIT/INVALIDATE
V12—SNOOP WRITE HIT/SINK DATA &
V13—SNOOP WRITE HIT/SINK DATA &
M68040 USER'S MANUAL
Go to: www.freescale.com
SIZE = LINE
SIZE = LINE
I1—CPU READ MISS
DIRTY
D2—CPU READ HIT
D3—CPU WRITE MISS/CB
D4—CPU WRITE MISS/WT
D5—CPU WRITE HIT/CB
D6—CPU WRITE HIT/WT
D9—SNOOP READ HIT/LEAVE DIRTY
D12—SNOOP WRITE HIT/SINK DATA
& SIZE = LINE
V3—CPU WRITE MISS/CB
V5—CPU WRITE HIT/CB
D1—CPU READ MISS
VALID
V1—CPU READ MISS
V2—CPU READ HIT
V4—CPU WRITE MISS/WT
V6—CPU WRITE HIT/WT
V9—SNOOP READ HIT/LEAVE DIRTY
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