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MC68LC040RC25A Datasheet, PDF (21/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual
Freescale Semiconductor, Inc.
LIST OF TABLES (Continued)
Table
Number
Title
Page
Number
8-5 Write-Back Data Alignment .......................................................................... 8-27
8-6 Access Error Stack Frame Combinations ....................................................8-31
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
9-9
9-10
9-11
9-12
9-13
9-14
9-15
9-16
Floating-Point Control Register Encodings .................................................. 9-3
MC68040 FPU Data Formats and Data Types ............................................ 9-7
Single-Precision Real Format Summary ...................................................... 9-8
Double-Precision Real Format Summary..................................................... 9-9
Extended-Precision Real Format Summary ................................................. 9-10
Packed Decimal Real Format Summary ...................................................... 9-11
Floating-Point Condition Code Encodings....................................................9-17
Floating-Point Conditional Tests .................................................................. 9-19
Floating-Point Exception Vectors ................................................................. 9-20
Unimplemented Instructions .........................................................................9-21
Possible Operand Errors Exceptions ........................................................... 9-29
Overflow Rounding Mode Values ................................ ................................. 9-32
Underflow Rounding Mode Values............................................................... 9-34
Possible Divide by Zero Exceptions ............................................................. 9-36
Divide by Zero Rounding Mode Values ................................ ........................ 9-37
State Frame Field Information ......................................................................9-44
10-1
10-2
10-3
10-4
Instruction Timing Index ...............................................................................10-1
Number of Memory Accesses ...................................................................... 10-3
CINV Timing .................................................................................................10-8
CPUSH Best and Worst Case Timing .......................................................... 10-8
11-1
11-2
11-3
11-4
11-5
11-6
Maximum Power Dissipation for Output Buffer Mode Configuration ............ 11-13
Thermal Parameters with No Heat Sink or Airflow ....................................... 11-17
Thermal Parameters with Forced Airflow and
No Heat Sink for the MC68040 .................................................................. 11-18
Thermal Parameters with Forced Airflow and
No Heat Sink for the MC68LC040 and MC68EC040 ................................. 11-19
Thermal Parameters with Heat Sink and No Airflow .................................... 11-21
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
MOTOROLA
M68040 USER’S MANUAL
xxiii
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