Texas Instruments - DM648 DSP

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Contents

TMS320DM647 DM648 DSP DDR2 Memory Controller User s Guide Literature Number SPRUEK5A October 2007 Tfxas Instruments 2 SPRUEK5A October 2007 Submit Documentation Feedback Contents Preface 6 1 Introduction 9 1 1 Purpose of the Peripheral 9 1 2 Features 9 1 3 Functional Block Diagram 9 1 4 Industry Standard s Compliance Statement 10 2 Peripheral Architecture 11 2 1 Clock Control 11 2 2 Memory Map 11 2 3 Signal Descriptions 11 2 4 Protocol Description s 13 2 5 Memory Width and Byte Alignment 18 2 6 Address Mapping 19 2 7 DDR2 Memory Controller Interface 22 2 8 Refresh Scheduling 25 2 9 Self Refresh Mode 26 2 10 Reset Considerations 26 2 11 DDR2 SDRAM Memory Initialization 27 2 12 Interrupt Support 28 ...