CS8422
6.10.2软件模式控制........................................................................................................ 34
7.采样速率转换器（ SRC ） .......................................... .................................................. ...... 37
7.1 SRC数据的分辨率和抖动............................................ .................................................. ..... 37
7.1.1硬件模式控制........................................................................................................ 37
7.1.2软件模式控制.......................................................................................................... 37
7.2 SRC锁定.................................................................................................................................. 37
7.3 SRC静音.................................................................................................................................... 38
7.4 SRC主时钟......................................................................................................................... 38
7.4.1硬件模式控制........................................................................................................ 39
7.4.2软件模式控制.......................................................................................................... 39
8.硬件模式控制.......................................................................................................... 39
8.1硬件模式串行音频端口控制........................................... .......................................... 40
9.软件模式控制........................................................................................................... 42
9.1控制端口说明................................................................................................................ 42
9.1.1 SPI模式............................................................................................................................... 42
9.1.2 IC模式................................................................................................................................ 43
9.1.3存储器地址指针（ MAP） ......................................... .................................................. 43
10.注册快速参考...................................................................................................... 44
11.软件寄存器位定义............................................ .......................................... 47
11.1 CS8422内径和版本寄存器（ 01H ） ............................................ ......................................... 47
11.2时钟控制（ 02H ） ...................................................................................................................... 47
11.3接收器输入控制（ 03H ） ........................................................................................................ 48
11.4接收数据控制（ 04H ） ........................................................................................................ 48
11.5 GPO控制1（ 05H ） .................................................................................................................... 50
11.6 GPO控制2 （ 06H ） .................................................................................................................... 50
11.7串行音频输入时钟控制（ 07H ） ......................................... ............................................... 50
11.8 SRC输出串口时钟控制（ 08H ） ........................................ ....................................... 51
11.9恢复主时钟比率控制&杂项。 （ 09H ） .............................. ................. 52
11.10数据路由控制（ 0AH ） ......................................................................................................... 52
11.11串行音频数据输入格式（值0Bh ） ......................................... .............................................. 53
11.12串行音频输出数据格式 - SDOUT1 （ 0CH ） ....................................... ............................ 54
11.13串行音频输出数据格式 - SDOUT2 （ 0DH ） ....................................... ........................... 55
11.14接收器错误取消屏蔽（ 0EH ） ........................................... .................................................. 。 56
11.15中断取消屏蔽（0Fh ） ......................................................................................................... 56
11.16中断模式（ 10H ） .................................................................................................................. 57
11.17接收机信道状态（ 11H ） ........................................... .................................................. .... 57
11.18格式检测状态（ 12H ） ........................................................................................................ 58
11.19接收器错误（ 13H ） ................................................................................................................. 58
11.20中断状态（ 14H） ................................................................................................................ 59
11.21 PLL状态（ 15H） ....................................................................................................................... 60
11.22接收状态（ 16小时） ............................................................................................................... 61
11.23 FS / XTI比（ 17H - 18H） ........................................................................................................... 62
11.24 Q信子码（19H - 22H ） ........................................ .................................................. ...... 62
11.25通道状态寄存器（ 23H - 2CH） ......................................... .............................................. 62
11.26 IEC61937 PC / PD突发序言（ 2DH - 30H） ..................................... .................................... 63
12.应用................................................................................................................................. 64
12.1复位，断电和启动........................................ .................................................. ..... 64
12.2电源，接地和PCB布局......................................... ........................................ 64
12.3外部接收器组成.............................................. .................................................. ... 64
12.3.1衰减输入信号..................................................................................................... 65
12.3.2隔离变压器的要求............................................ ....................................... 66
12.4通道状态缓存管理............................................. ............................................... 66
12.4.1 AES3通道状态（C ）位管理....................................... ................................. 66
12.4.2访问电子缓冲........................................................................................................ 67
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