Download TSC693E Memory Controller / User`s Manual
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TSC693E TABLE OF CONTENTS Page 1. 1.1. 1.2. 1.2.1. 1.2.2. 1.3. 1.4. 1.4.1. 1.4.2. 1.4.3. INTRODUCTION ....................................................................................... 4 Scope ......................................................................................................... 4 Documents................................................................................................. 5 Applicable Documents............................................................................ 5 Reference Documents ............................................................................. 5 Glossary..................................................................................................... 6 Definitions................................................................................................. 7 Bit Numbering ........................................................................................ 7 Signal Names .......................................................................................... 7 Registers.................................................................................................. 7 2. 2.1. GENERAL OVERVIEW OF ERC32.......................................................... 8 ERC32 Overview ...................................................................................... 8 3. 3.1. 3.2. 3.2.1. 3.2.2. 3.2.2.1. 3.2.3. 3.2.3.1. 3.2.4. 3.2.5. 3.2.5.1. 3.2.6. 3.3. 3.4. 3.5. 3.5.1. 3.5.2. 3.5.3. 3.5.4. 3.5.5. 3.6. 3.7. 3.7.1. 3.7.2. 3.7.3. 3.8. 3.9. 3.9.1. 3.9.2. 3.9.3. MEMORY CONTROLLER FUNCTIONS............................................... 10 Data Types............................................................................................... 12 Memory Interface .................................................................................... 12 Memory Control Signals....................................................................... 12 RAM ..................................................................................................... 12 Extended RAM ................................................................................... 13 Boot PROM .......................................................................................... 14 Extended PROM................................................................................. 14 Exchange Memory ................................................................................ 15 I/O ......................................................................................................... 15 Extended I/O....................................................................................... 17 MEC Memory Map............................................................................... 18 DMA Interface......................................................................................... 19 Bus Arbiter .............................................................................................. 20 Execution Modes..................................................................................... 20 Reset Mode ........................................................................................... 22 Run Mode.............................................................................................. 22 System Halt Mode................................................................................. 22 Power-Down Mode............................................................................... 23 Error Halt Mode.................................................................................... 23 Wait-State and Timeout Generator.......................................................... 23 Memory Access Protection...................................................................... 24 Unimplemented Areas .......................................................................... 24 RAM Write Access Protection.............................................................. 25 Boot PROM Write Protection............................................................... 26 Register Access Protection...................................................................... 26 EDAC ...................................................................................................... 27 Check Bit Generator.............................................................................. 28 Syndrome Generator ............................................................................. 29 Syndrome Detector ............................................................................... 30 MATRA MHS Rev. D (10 Apr. 97) 2