GDC21D401B
目录
1.概述............................................................................................................5
2 。 Features...............................................................................................................................5
3.脚Description....................................................................................................................6
4.框图...................................................................................................................10
5.功能描述.....................................................................................................11
5.1初始化和解码开始............................................. ...................................... 11
5.2图象解码..........................................................................................................11
5.3 STC（系统时钟）产生.......................................... ................................ 12
5.4 DTS （解码时间戳）同步.......................................... .................... 12
5.5错误隐藏.......................................................................................................12
5.6用户数据Read............................................................................................................12
5.7码流缓冲区溢出/下溢............................................ ...................................... 13
5.8 VLD （可变长解码器） ........................................... ......................................... 13
5.9反量化....................................................................................................13
5.10的IDCT （逆离散余弦变换） .......................................... ....................... 13
5.11 MC （运动补偿） ............................................ ............................................. 13
5.12传输接口.....................................................................................................14
5.13主机Interface.............................................................................................................15
5.14视频数据输出格式............................................. ............................................. 20
5.15视频数据输出时序............................................. ............................................. 21
5.16 SDRAM接口.......................................................................................................22
6.电气规格.....................................................................................................24
6.1绝对最大额定值.............................................. .............................................. 24
6.2推荐工作范围.............................................. ................................... 24
6.3直流特性（ VDD = 3.3V ± 10 ％ ， TA = 0 70
................................................24
)
6.4交流特性（ VDD = 3.3V ± 10 ％ ， TA = 0 70
................................................25
)
7.包装机械数据............................................. .................................................. ..26
7.1封装引脚输出..........................................................................................................26
7.2物理尺寸......................................................................................................29
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