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Motorola MC68030 User Manual

Motorola MC68030
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MOTOROLA
MC68030 USER’S MANUAL
xliii
LIST OF TABLES
Table
Number
Title
Page
Number
1-1 Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
1-2 Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
2-1 IS–I/IS Memory Indirection Encodings. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
3-1 Data Movement Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
3-2 Integer Arithmetic Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
3-3 Logical Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
3-4 Shift and Rotate Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
3-5 Bit Manipulation Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
3-6 Bit Field Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
3-7 BCD Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
3-8 Program Control Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
3-9 System Control Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
3-10 MMU Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
3-11 Multiprocessor Operations (Read-Modify-Write) . . . . . . . . . . . . . . . . . . . . 3-13
3-12 Condition Code Computations (Sheet 1 of 2) . . . . . . . . . . . . . . . . . . . . . . 3-15
3-13 Conditional Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
3-14 Instruction Set Summary (Sheet 1 of 5). . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
4-1 Address Space Encodings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
5-1 Signal Index (Sheet 1 of 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-2 Signal Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
7-1 DSACK
Codes and Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7-2 Size Signal Encoding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7-3 Address OffsetEncodings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7-4 Data Bus Requirements for Read Cycles. . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
7-5 MC68030 Internal to External Data Bus. . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
7-6 Memory Alignment and Port Size Influence on Write Bus Cycles . . . . . . . 7-19
7-7 Data Bus Write Enable Signals for Byte, Word, and Long-Word Ports . . . 7-23
7-8 DSACK
, BERR, and HALT Assertion Results . . . . . . . . . . . . . . . . . . . . . . 7-79
7-9 STERM
, BERR, and HALT Assertion Results . . . . . . . . . . . . . . . . . . . . . . 7-81
8-1 Exception Vector Assignments (Sheet 2 of 2) . . . . . . . . . . . . . . . . . . . . . . 8-2
8-2 Exception Vector Assignments (Sheet 1 of 2) . . . . . . . . . . . . . . . . . . . . . . 8-3
8-3 Microsequencer STATUS
Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
8-4 Tracing Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
8-5 Interrupt Levels and Mask Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
8-6 Exception Priority Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24

Table of Contents

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Motorola MC68030 Specifications

General IconGeneral
BrandMotorola
ModelMC68030
CategoryComputer Hardware
LanguageEnglish

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