M68040 查看數據表（PDF） - Motorola => Freescale
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M68040 Datasheet PDF : 442 Pages
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Freescale Semiconductor, Inc.
TABLE OF CONTENTS (Continued)
Paragraph
Number
Title
Page
Number
9.7.5
9.7.5.1
9.7.5.2
9.7.6
9.7.7
9.8
Underflow ..........................................................................................9-33
Maskable Exception Conditions .....................................................9-34
Nonmaskable Exception Conditions .............................................. 9-34
Divide by Zero....................................................................................9-36
Inexact Result ....................................................................................9-36
Floating-Point State Frames..................................................................9-39
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.7.1
10.7.2
10.7.3
Section 10
Instruction Timings
Overview ...............................................................................................10-3
Instruction Timing Examples ................................................................. 10-5
CINV and CPUSH Instruction Timing.................................................... 10-8
MOVE Instruction Timing ...................................................................... 10-9
Miscellaneous Integer Unit Instruction Timings..................................... 10-11
Integer Unit Instruction Timings ............................................................10-13
Floating-Point Unit Instruction Timings .................................................10-29
Miscellaneous Integer Unit Support Timings ..................................... 10-29
Integer Unit Support Timings .............................................................10-30
Timings in the Floating-Point Unit ......................................................10-35
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.8.1
11.8.2
11.9
11.9.1
11.9.2
11.9.3
11.9.4
Section 11
MC68040 Electrical and Thermal Characteristics
Maximum Ratings .................................................................................11-1
Thermal Characteristics ........................................................................ 11-1
DC Electrical Specifications ..................................................................11-2
Power Dissipation .................................................................................11-2
Clock AC Timing Specifications ............................................................11-3
Output AC Timing Specifications ..........................................................11-4
Input AC Timing Specifications ............................................................. 11-5
MC68040 Thermal Device Characteristics............................................ 11-12
MC68040 Die and Package ...............................................................11-12
MC68040 Power Considerations .......................................................11-12
MC68040 Thermal Management Techniques .......................................11-14
Still Air................................................................................................11-17
Forced Air ..........................................................................................11-18
With Heat Sink ...................................................................................11-19
With Heat Sink and Forced Air ..........................................................11-22
MOTOROLA
M68040 USER’S MANUAL
xiii
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