MC68040FE25A Freescale Semiconductor, MC68040FE25A Datasheet - Page 289
MC68040FE25A
Manufacturer Part Number
MC68040FE25A
Description
IC MICROPROCESSOR 32BIT 184-CQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68EC040FE33A.pdf
(442 pages)
Specifications of MC68040FE25A
Processor Type
M680x0 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
184-CQFP
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
Surface Mount
Pin Count
184
Package Type
CQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68040FE25A
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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MOTOROLA
CMDREG1B
ETEMP
STAG
E1
T
CMDREG1B
ETEMP
STAG
FPTEMP
DTAG
E1
T
CMDREG1B
ETEMP
STAG
WBTEMP
E1
T
CMDREG1B
FPTEMP
STAG
E1
T
CMDREG3B
WBTEMP
WBTE15
E3
T
FSAVE State
Frame Field
Table 9-16. State Frame Field Information (Continued)
FMOVE Instruction Command Word
Unrounded Source Operand from Floating-Point Register, with SNAN bit set.
Source Operand Tag, indicated NAN.
Always 1
Always 1
Exception Instruction Command Word
Source operand is converted to extended precision.
Source Operand Tag
Destination operand tag, if any.
Always 1
Always 0
FMOVE Instruction Command Word
Unrounded Source Operand from Floating-Point Register
Source Operand Tag
Always 1
Always 1
Exception Instruction Command Word
Source Operand Tag = Normalized
Always 1
Always 0
Encoded Exception Instruction Command Word
to the correct precision.
Bit 15 of the intermediate result's 16-bit exponent = 0 for overflow.
Always 1
Either 1 or 0
Destination operand, if any, is converted to extended precision.
Contains the rounded integer used to check for erroneous integer overflow.
Intermediate result with mantissa rounded to correct precision.
WBTS, WBTE, and WBTM equal the intermediate result with mantissa rounded
Freescale Semiconductor, Inc.
For More Information On This Product,
OVFL (FADD, FSUB, FMUL, FDIV, and FSQRT)
OVFL (FMOVE to Register, FABS, and FNEG)
OPERR (For Opclass 000 and 010)
Go to: www.freescale.com
M68040 USER’S MANUAL
OPERR (For Opclass 011)
SNAN (For Opclass 011)
Contents
9- 45
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