CS4202
4.4传输至PC_Beep音量寄存器（指数0AH ） .......................................... ................................ 24
4.5手机音量寄存器（指数0CH ） .......................................... ...................................... 24
4.6麦克风音量寄存器（指数0EH ） .......................................... .............................. 25
4.7模拟调音台输入增益寄存器（指数10H - 18H） ..................................... ................ 26
4.8输入MUX选择寄存器（指数为1Ah ） ......................................... .................................... 27
4.9录音增益寄存器（索引代上） .......................................... ......................................... 28
4.10通用寄存器（指数20H） .......................................... ............................... 29
4.11掉电控制/状态寄存器（指数26H ） ........................................ ................... 30
4.12扩展音频ID寄存器（指数28H ） ......................................... ............................... 31
4.13扩展音频状态/控制寄存器（指数2AH ） ....................................... ............. 32
4.14音频采样率控制寄存器（代下指数 - 32H ） ..................................... ......... 33
4.15 S / PDIF控制寄存器（指数3AH ） ........................................ ..................................... 34
4.16扩展调制解调器ID寄存器（指数三通遥控） ......................................... ........................... 35
4.17扩展Modem状态/控制寄存器（指数3EH ） ....................................... .......... 35
4.18 GPIO引脚配置寄存器（指数4通道） ......................................... ....................... 35
4.19 GPIO引脚极性/类型配置寄存器（指数4EH ） ..................................... .... 36
4.20 GPIO引脚置顶寄存器（指数50H ） ......................................... ................................... 36
4.21 GPIO引脚唤醒屏蔽寄存器（指数52H ） ........................................ ....................... 37
4.22 GPIO引脚状态寄存器（指数54H ） ......................................... ................................... 37
4.23 AC模式控制寄存器（指数5EH ） ......................................... ................................. 37
4.24杂项。晶振控制寄存器（指数60H ） ........................................... .......................... 39
4.25串口控制寄存器（指数为6Ah ） ......................................... ............................... 40
4.26 BIOS ，驱动程序接口控制寄存器（指数70H - 72小时） ..................................... ....... 41
4.27 BIOS ，驱动程序接口状态寄存器（指数7安） ....................................... ................. 41
4.28供应商ID1寄存器（指数7CH ） .......................................... ......................................... 42
4.29供应商注册ID2 （指数把7Eh ） .......................................... ......................................... 42
5.串行数据口........................................................................................................... 43
5.1概述.......................................................................................................................... 43
5.2多通道扩展............................................. .................................................. .. 43
5.3串行数据格式......................................................................................................... 44
6.索尼/飞利浦数字接口（S / PDIF ） ...................................... ............................. 45
7.独有的功能...................................................................................................... 45
8.电源管理....................................................................................................... 46
8.1 AC '97复位模式........................................................................................................ 46
8.1.1冷复位.......................................................................................................... 46
8.1.2热复位........................................................................................................ 46
8.1.3新热复位............................................ .................................................. .. 46
8.1.4寄存器复位............................................. .................................................. ..... 46
8.2掉电控制....................................................................................................... 47
9.的时钟频率............................................................................................................................. 49
9.1 PLL操作（外部时钟） ........................................... ............................................ 49
9.2 24.576MHz的晶振工作............................................. ........................................... 49
9.3二次编解码操作.............................................. ............................................. 49
10.模拟硬件描述............................................. .................................. 51
10.1模拟输入................................................................................................................. 51
10.1.1线路输入........................................................................................................ 51
10.1.2 CD输入............................................................................................................ 51
10.1.3麦克风输入............................................. ............................................... 51
10.1.4电脑提示音输入............................................ .................................................. ..... 52
10.1.5手机输入....................................................................................................... 52
10.2模拟输出.............................................................................................................. 52
10.2.1立体声输出............................................. .................................................. ... 52
10.2.2单声道输出..................................................................................................... 53
10.3其他模拟信号.............................................. ......................................... 53
DS549PP2
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