MOTOROLA
M68040 USER’S MANUAL
xxiii
LIST OF TABLES (Continued)
Table
Page
Number
Title
Number
8-5
Write-Back Data Alignment .......................................................................... 8-27
8-6
Access Error Stack Frame Combinations ....................................................8-31
9-1
Floating-Point Control Register Encodings .................................................. 9-3
9-2
MC68040 FPU Data Formats and Data Types ............................................ 9-7
9-3
Single-Precision Real Format Summary ...................................................... 9-8
9-4
Double-Precision Real Format Summary..................................................... 9-9
9-5
Extended-Precision Real Format Summary ................................................. 9-10
9-6
Packed Decimal Real Format Summary ...................................................... 9-11
9-7
Floating-Point Condition Code Encodings.................................................... 9-17
9-8
Floating-Point Conditional Tests .................................................................. 9-19
9-9
Floating-Point Exception Vectors ................................................................. 9-20
9-10
Unimplemented Instructions .........................................................................9-21
9-11
Possible Operand Errors Exceptions ........................................................... 9-29
9-12
Overflow Rounding Mode Values................................................................. 9-32
9-13
Underflow Rounding Mode Values............................................................... 9-34
9-14
Possible Divide by Zero Exceptions ............................................................. 9-36
9-15
Divide by Zero Rounding Mode Values........................................................ 9-37
9-16
State Frame Field Information ......................................................................9-44
10-1
Instruction Timing Index ............................................................................... 10-1
10-2
Number of Memory Accesses ...................................................................... 10-3
10-3
CINV Timing .................................................................................................10-8
10-4
CPUSH Best and Worst Case Timing .......................................................... 10-8
11-1
Maximum Power Dissipation for Output Buffer Mode Configuration ............ 11-13
11-2
Thermal Parameters with No Heat Sink or Airflow ....................................... 11-17
11-3
Thermal Parameters with Forced Airflow and
No Heat Sink for the MC68040 .................................................................. 11-18
11-4
Thermal Parameters with Forced Airflow and
No Heat Sink for the MC68LC040 and MC68EC040 ................................. 11-19
11-5
Thermal Parameters with Heat Sink and No Airflow .................................... 11-21
11-6
Thermal Parameters with Heat Sink and Airflow.......................................... 11-22
C-1
Additional MC68040V and MC68EC040V Signals....................................... C-2
C-2
Bus Encodings During LPSTOP Broadcast Cycle ....................................... C-4
C-3
IEEE Standard 1149.1A Instructions............................................................ C-12
E-1
MC68040 Floating-Point Instructions ........................................................... E-2
E-2
MC68040FPSP Floating-Point Instructions.................................................. E-3
E-3
Support for Data Types and Data Formats .................................................. E-4
E-4
Exception Conditions ................................................................................... E-4
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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