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MC68340 データシート(Datasheet) 10 Page - Freescale Semiconductor, Inc

部品番号. MC68340
部品情報  Integrated Processor with DMA User’s Manual
ダウンロード  441 Pages
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メーカー  FREESCALE [Freescale Semiconductor, Inc]
ホームページ  http://www.freescale.com
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 10 page
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11/2/95
SECTION 1: OVERVIEW
UM Rev 1
MOTOROLA
MC68340 USER'S MANUAL
ix
TABLE OF CONTENTS (Continued)
Paragraph
Page
Number
Title
Number
5.4.2.3
Changing Privilege Level........................................................................5-39
5.5
Exception Processing ......................................................................................5-39
5.5.1
Exception Vectors.........................................................................................5-40
5.5.1.1
Types of Exceptions .................................................................................5-41
5.5.1.2
Exception Processing Sequence ..........................................................5-41
5.5.1.3
Exception Stack Frame............................................................................5-42
5.5.1.4
Multiple Exceptions ..................................................................................5-42
5.5.2
Processing of Specific Exceptions ............................................................5-44
5.5.2.1
Reset ...........................................................................................................5-44
5.5.2.2
Bus Error.....................................................................................................5-46
5.5.2.3
Address Error.............................................................................................5-46
5.5.2.4
Instruction Traps........................................................................................5-47
5.5.2.5
Software Breakpoints...............................................................................5-47
5.5.2.6
Hardware Breakpoints.............................................................................5-48
5.5.2.7
Format Error ...............................................................................................5-48
5.5.2.8
Illegal or Unimplemented Instructions ..................................................5-48
5.5.2.9
Privilege Violations...................................................................................5-49
5.5.2.10
Tracing........................................................................................................5-50
5.5.2.11
Interrupts.....................................................................................................5-51
5.5.2.12
Return from Exception..............................................................................5-52
5.5.3
Fault Recovery...............................................................................................5-53
5.5.3.1
Types of Faults ..........................................................................................5-55
5.5.3.1.1
Type I—Released Write Faults ...........................................................5-55
5.5.3.1.2
Type II—Prefetch, Operand, RMW, and MOVEP Faults.................5-56
5.5.3.1.3
Type III—Faults During MOVEM Operand Transfer .......................5-57
5.5.3.1.4
Type IV—Faults During Exception Processing ...............................5-57
5.5.3.2
Correcting a Fault .....................................................................................5-57
5.5.3.2.1
Type I—Completing Released Writes via Software .......................5-57
5.5.3.2.2
Type I—Completing Released Writes via RTE................................5-57
5.5.3.2.3
Type II—Correcting Faults via RTE....................................................5-58
5.5.3.2.4
Type III—Correcting Faults via Software..........................................5-58
5.5.3.2.5
Type III—Correcting Faults by Conversion and Restart.................5-58
5.5.3.2.6
Type III—Correcting Faults via RTE...................................................5-59
5.5.3.2.7
Type IV—Correcting Faults via Software .........................................5-59
5.5.4
CPU32 Stack Frames ..................................................................................5-60
5.5.4.1
Four-Word Stack Frame ..........................................................................5-60
5.5.4.2
Six-Word Stack Frame.............................................................................5-60
5.5.4.3
Bus Error Stack Frame.............................................................................5-60
5.6
Development Support......................................................................................5-63
5.6.1
CPU32 Integrated Development Support................................................5-63
5.6.1.1
Background Debug Mode (BDM) Overview ........................................5-64
5.6.1.2
Deterministic Opcode Tracking Overview............................................5-64
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com




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