M65727FP Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

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M65727FP

MPEG2 MOTION ESTIMATION LSI

MITSUBISHI ELECTRIC  

DISTRIBUTION RESTRICTED. COPYRIGHT RESERVED 1995

CONTENTS

1. Outline

1.1 Outline

1.2 Characteristics

2. Pin Listing and Description

2.1 Pin Listing

2.2 Pin Description

2.2.1 Data I/O Ports

2.2.2 System Control Pins

2.2.3 Input Pins for Sync. Signals

2.2.4 Pins Specifying Operational Modes

2.2.5 Others

3. Outline of Functions

3.1 Outline

3.2 Block Configuration

3.2.1 Input Unit

3.2.2 Integer Pel Unit

3.2.3 Motion Detection Unit

3.2.4 Half-Pel/Dual-Prime Unit

3.2.5 Output Unit

3.3 Operation modes

3.3.1 Field/Frame/Field Dual-Prime/Frame Dual-Prime

3.3.2 Horizontal Search Range

3.3.3 Vertical Search Range

3.3.4 Search range expansion for Vertical Direction

3.3.5 Half-Pel Precision/Integer-Pel Precision

3.3.6 External Frame Memory Data Format

3.3.7 Operation Modes and Output Data

3.3.8 Operation Modes and Dynamic Control Signals

4. Operations

4.1 Reset Operation

4.2 Wait Operation

4.3 Motion Estimation Operation

4.3.1 Search Window Image Input for Field/Frame mode

4.3.2 Search Window Image Input for Dual-Prime mode

4.3.3 Template MB Data Input

4.3.4 Output Request

4.3.5 Activation of Execution Cycle

4.3.6 Dynamic Control Input

4.3.7 Number of Cycles Needed (from Data Input to Data Output)

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