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MC68EC040FE25B Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc |
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MC68EC040FE25B Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc |
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4 / 442 page  vi M68040 USER’S MANUAL MOTOROLA TABLE OF CONTENTS Paragraph Page Number Title Number Section 1 Introduction 1.1 Differences ............................................................................................ 1-1 1.1.1 MC68040V and MC68LC040 ............................................................ 1-1 1.1.2 MC68EC040 and MC68EC040V ....................................................... 1-2 1.2 Features ................................................................................................ 1-3 1.3 Extensions to the M68000 Family ......................................................... 1-3 1.4 Functional Blocks .................................................................................. 1-3 1.5 Processing States ................................................................................. 1-5 1.6 Programming Model .............................................................................. 1-5 1.7 Data Format Summary.......................................................................... 1-9 1.8 Addressing Capabilities Summary ........................................................ 1-9 1.9 Notational Conventions ......................................................................... 1-11 1.10 Instruction Set Overview ....................................................................... 1-13 Section 2 Integer Unit 2.1 Integer Unit Pipeline.............................................................................. 2-1 2.2 Integer Unit Register Description .......................................................... 2-4 2.2.1 Integer Unit User Programming Model .............................................. 2-4 2.2.1.1 Data Registers (D7–D0) ................................................................2-4 2.2.1.2 Address Registers (A6–A0) ........................................................... 2-4 2.2.1.3 System Stack Pointer (A7) .............................................................2-5 2.2.1.4 Program Counter ........................................................................... 2-5 2.2.1.5 Condition Code Register ................................................................2-5 2.2.2 Integer Unit Supervisor Programming Model .................................... 2-5 2.2.2.1 Interrupt and Master Stack Pointers ..............................................2-6 2.2.2.2 Status Register .............................................................................. 2-7 2.2.2.3 Vector Base Register ..................................................................... 2-7 2.2.2.4 Alternate Function Code Registers ................................................ 2-7 2.2.2.5 Cache Control Register ................................................................. 2-8 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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