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MC68LC060 Datasheet(PDF) 7 Page - Motorola, Inc |
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MC68LC060 Datasheet(HTML) 7 Page - Motorola, Inc |
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7 / 416 page  MOTOROLA M68060 USER’S MANUAL ix TABLE OF CONTENTS Section 1 Introduction 1.1 Differences Among M68060 Family Members.............................................. 1-3 1.1.1 MC68LC060................................................................................................ 1-3 1.1.2 MC68EC060 ............................................................................................... 1-3 1.1.2.1 Address Translation Differences .............................................................. 1-3 1.1.2.2 Instruction Differences .............................................................................. 1-3 1.2 Features........................................................................................................ 1-4 1.3 Architecture................................................................................................... 1-4 1.4 Processor Overview...................................................................................... 1-5 1.4.1 Functional Blocks........................................................................................ 1-5 1.4.2 Integer Unit ................................................................................................. 1-7 1.4.2.1 Instruction Fetch Unit................................................................................ 1-7 1.4.2.2 Integer Unit ............................................................................................... 1-8 1.4.2.3 Floating-Point Unit .................................................................................... 1-8 1.4.2.4 Memory Units ........................................................................................... 1-9 1.4.2.5 Address Translation Caches .................................................................... 1-9 1.4.2.6 Instruction and Data Caches .................................................................... 1-9 1.4.2.6.1 Cache Organization.............................................................................. 1-10 1.4.2.6.2 Cache Coherency................................................................................. 1-10 1.4.3 Bus Controller ........................................................................................... 1-10 1.5 Processing States ....................................................................................... 1-10 1.6 Programming Model.................................................................................... 1-11 1.7 Data Format Summary................................................................................ 1-14 1.8 Addressing Capabilities Summary .............................................................. 1-14 1.9 Instruction Set Overview ............................................................................. 1-15 1.10 Notational Conventions............................................................................... 1-21 Section 2 Signal Description 2.1 Address and Control Signals ........................................................................ 2-3 2.1.1 Address Bus (A31–A0) ............................................................................... 2-3 2.1.2 Cycle Long-Word Address (CLA) ............................................................... 2-4 2.2 Data Bus (D31–D0)....................................................................................... 2-4 2.3 Transfer Attribute Signals ............................................................................. 2-4 2.3.1 Transfer Cycle Type (TT1, TT0) ................................................................. 2-4 2.3.2 Transfer Cycle Modifier (TM2–TM0) ........................................................... 2-4 2.3.3 Transfer Line Number (TLN1, TLN0) .......................................................... 2-5 2.3.4 User-Programmable Page Attributes (UPA1, UPA0).................................. 2-5 2.3.5 Read/Write (R/W) ....................................................................................... 2-6 |
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