MC68LC040RC40A Freescale Semiconductor, MC68LC040RC40A Datasheet - Page 326
MC68LC040RC40A
Manufacturer Part Number
MC68LC040RC40A
Description
IC MPU 32BIT 40MHZ 179-PGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040FE33A.pdf
(442 pages)
Specifications of MC68LC040RC40A
Processor Type
M680x0 32-Bit
Speed
40MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
179-PGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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10.7.3 Timings in the Floating-Point Unit
Times in parentheses are the total time that the stage uses to execute an instruction even
though the stage can pass data to the next stage earlier. So that 2(3) in the conversion
stage means that the instruction takes two cycles to execute, but this stage is actually
busy for three cycles.
MOTOROLA
FADD,FSUB
FMUL
FDIV
Instruction
Opclass
0
0
0
0
0
0
2
2
2
2
2
2
2
2
2
0
0
0
0
2
2
2
2
2
2
2
2
0
0
0
0
2
2
2
Size
S,D
S,D
S,D
S,D
S,D
S,D
S,D
S,D
S,D
S,D
S,D
S,D
—
—
—
—
—
—
—
—
—
—
—
—
X
X
X
X
X
X
X
X
X
Freescale Semiconductor, Inc.
For More Information On This Product,
Precision
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Any
Go to: www.freescale.com
M68040 USER’S MANUAL
Norm,Norm
Norm,Norm
Norm,Norm
Norm,Norm
Norm,Norm
Norm,Norm
Norm,Norm
Norm,Norm
Norm,Zero
Norm,Zero
Norm,Zero
Operands
Zero,Zero
Zero,Zero
Zero,Zero
— ,NAN
— ,NAN
— ,NAN
— ,Zero
— ,NAN
— ,Zero
— ,NAN
— ,Zero
— ,NAN
— ,Zero
— ,NAN
— ,Zero
— ,Inf
— ,Inf
— ,Inf
— ,Inf
— ,Inf
— ,Inf
— ,Inf
— ,Inf
Conversion
2(3)
2(3)
2(3)
2(3)
3(4)
3(4)
2(3)
2(3)
3(4)
2(3)
2(3)
4
4
4
4
4
4
5
5
5
4
4
4
4
4
4
5
5
5
4
4
4
4
4
Execution
37.5
37.5
3
3
0
0
0
3
3
0
0
0
3
3
0
0
0
5
0
0
0
5
0
0
0
5
0
0
0
0
0
0
0
0
Normalization
2(3)
2(3)
2(3)
2(3)
2(3)
2(3)
2(3)
2(3)
2(3)
2(3)
2(3)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10-35
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