GDC21D401B Ver la hoja de datos (PDF) - Hyundai Micro Electronics

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GDC21D401B

Video Decoder

Hyundai Micro Electronics 

GDC21D401B

TABLE OF CONTENTS

1. General Description ............................................................................................................5

2. Features...............................................................................................................................5

3. Pin Description....................................................................................................................6

4. Block Diagram ...................................................................................................................10

5. Functional Description .....................................................................................................11

5.1 Initialization and Decoding Start ...................................................................................11

5.2 Picture Decoding ..........................................................................................................11

5.3 STC (System Time Clock) Generation..........................................................................12

5.4 DTS (Decoding Time Stamp) Synchronization..............................................................12

5.5 Error Concealment .......................................................................................................12

5.6 User Data Read............................................................................................................12

5.7 Bitstream Buffer Over/Underflow..................................................................................13

5.8 VLD (Variable Length Decoder) ....................................................................................13

5.9 Inverse Quantization ....................................................................................................13

5.10 IDCT (Inverse Discrete Cosine Transform) .................................................................13

5.11 MC(Motion Compensation) .........................................................................................13

5.12 Transport Interface .....................................................................................................14

5.13 Host Interface.............................................................................................................15

5.14 Video Data Output Format..........................................................................................20

5.15 Video Data Output Timing ..........................................................................................21

5.16 SDRAM Interface .......................................................................................................22

6. Electrical Specification .....................................................................................................24

6.1 Absolute Maximum Rating............................................................................................24

6.2 Recommended Operating Range .................................................................................24

6.3 DC Characteristics (VDD = 3.3 V±10%, TA = 0 ~ 70¡ É) ................................................24

6.4 AC Characteristics (VDD = 3.3 V±10%, TA = 0 ~ 70¡ É) ................................................25

7. Package Mechanical Data .................................................................................................26

7.1 Package Pin Out ..........................................................................................................26

7.2 Physical Dimension ......................................................................................................29

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