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数据表
双通道, 20位, AC'97 2.3编解码器
立体声麦克风和麦克风/杰克传感
特点
该数据表的修订版CC1零件和超越
高性能
Σ∆
技术
AC'97 2.3版本投诉
20位全双工立体声ADC &数模转换器
独立的采样率ADC &数模转换器
5线AC-Link协议合规
20位SPDIF输出
全立体声麦克风前置放大器
内部接口侦测的耳机& LINE_OUT
内置麦克风输入传感
数码电脑提示音选项
扩展AC'97 2.3页面寄存器
数码就绪状态
通用I / O
水晶消除电路
耳机驱动能力( 50毫瓦)
0分贝, 10分贝, 20dB,使30分贝麦克风增益
能力
+ 3.3V ( STAC9767 )和+5 V( STAC9766 )模拟
电源选项
引脚与STAC9700 / 56分之21兼容
与STAC9750 / 52兼容100 %
IDT环绕声( SS3D )立体声增强
节能动态功耗模式
多编解码器选项(英特尔AC'97版本2.3 )
六个模拟线路电平输入
103分贝SNR线 - 线
STAC9766/9767
相关资料
数据表
参考设计
描述
IDT的STAC9766 / 9767 (修订版CC1及以后)的
通用20位,全双工,音频编解码器CON组
形成以AC'97的模拟组件规范
(音频编解码器97组件规范修订版2.3 ) 。
该STAC9766 / 9767集成了IDT专有的
Σ∆
技术的AC'97 CODEC设计实现
DAC信噪比超过103分贝的。
这些DAC , ADC和混频器集成了模拟I /
操作系统,其中包括四个模拟线路电平立体声输入, 2
模拟线路电平单声道输入,两个立体声输出,以及一个
单声道输出信道。该STAC9766 / 9767包含数字
输入/支持现代PC系统的输出能力
使用支持SPDIF格式的输出。
该STAC9766 / 9767是一个标准的双声道立体声
编解码器。与IDT的耳机驱动能力,流浆
手机可以驱动与没有外部放大器。
该STAC9766 / 9767可以被用作一个二级
编解码器,用STAC9700 / 21 /56/ 08 /84 /50/ 52的革命制度党
玛丽,在多个编解码器的配置符合该
AC'97修订版2.3规范。这种配置可以亲
韦迪真正的六声道,支持DVD所需的AC- 3播放
应用程序。
该STAC9766 / 9767经由五线连通
AC -Link的任何数字AC'97的组件,提供了灵活性
相容性在音频系统的设计。
包装在一个AC'97兼容的48引脚TQFP封装,该
STAC9766 / 9767可以放置在主板上的, daugh-
之三板, PCI , AMR , CNR , MDC或ACR卡。
该STAC9766 / 9767提供可变采样率Digi-
河谷 - 模拟(DA)和模 - 数(AD )转换,
混合和模拟处理。
支持的音频采样率48KHz的包括,为44.1KHz ,
为32KHz , 22.05kHz时, 16KHz的, 11.025KHz ,和8千赫;额外
tional率在STAC9766 / 9767支持软
音频驱动程序。所有的ADC和DAC ,20位分辨率运行
化。
该STAC9766 / 9767包含
全立体声麦克风
关键的特定连接的阳离子
模拟LINE_OUT信噪比: 103分贝
数字DAC SNR : 95分贝
数字ADC SNR : 85分贝
全面的总谐波失真: 0.002 %
输入通道之间的串扰: -70分贝
杂散抑制音: 100分贝
IDT®
1
STAC9766/9767
V 7.4 12/06
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
STAC9766/9767
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
PC音频
目录
1.产品简介...................................................................................................................... 6
1.1 。特点(修订CC1及以后) ........................................... .................................................. 6 ..
1.2 。描述........................................................................................................................................ 6
1.3 。 STAC9766 / 9767块图........................................................................................................ 8
1.4 。主要规格............................................................................................................................. 8
1.5 。相关资料.............................................................................................................................. 8
1.6 。其他支持............................................................................................................................. 8
2.特性和规格............................................. ............................ 9
2.1 。电气规格..................................................................................................................... 9
2.2 。 AC时序特性............................................................................................................... 13
3.典型连接图............................................. .......................................... 17
3.1 。拆分独立电源工作............................................. ....................................... 18
4.控制器,编码器和AC- LINK ......................................... ........................................ 20
4.1 。 AC链路物理接口................................................................................................................ 20
4.2 。控制器单CODEC ............................................................................................................ 20
4.3 。控制器,多种编解码器........................................................................................................ 22
4.4 。时钟多个编解码器实现............................................. .................................. 23
4.5 。 AC链路电源管理............................................................................................................ 24
5. AC- LINK数字接口........................................... .................................................. 0.27
5.1 。概观......................................................................................................................................... 27
5.2 。 AC链路串行接口协议...................................................................................................... 28
5.3 。 AC- link输出帧( SDATA_OUT ) .......................................... .................................................. 31
5.4 。 AC- LINK输入框( SDATA_IN ) .......................................... .................................................. ........ 34
5.5 。交联互操作性要求和建议........................................... ............ 38
5.6 。时隙分配音频............................................................................................................. 39
6. STAC9766 / 9767 MIXER ..........................................................................................................41
6.1 。调音台说明............................................................................................................................. 41
6.2 。混频器功能图.............................................................................................................. 42
6.3 。混频器的模拟输入......................................................................................................................... 43
6.4 。混频器模拟输出....................................................................................................................... 43
7. SPDIF和PC BEEP .............................................................................................................44
7.1 。 SPDIF数字多路复用器...........................................................................................................................44
7.2 。 PC蜂鸣实施................................................................................................................ 44
8.编程寄存器.............................................. ................................................. 46
8.1 。注册说明...................................................................................................................... 47
8.2 。通用输入输出& ............................................. .................................................. .... 65
8.3 。扩展CODEC寄存器页面结构定义............................................ ...................... 68
8.4 。 STAC9766 / 9767页面寄存器............................................. .................................................. .. 69
8.5 。供应商ID1和ID2 (指数7CH和把7Eh ) ........................................ .............................................. 79
9.低功耗模式...........................................................................................................81
10.多编解码器支持............................................. ............................................... 83
10.1 。小学/中学CODEC选择............................................. ............................................. 83
10.2 。二次编解码器寄存器访问定义............................................. ............................. 84
11.测试性........................................................................................................................85
11.1 。 ATE测试模式............................................................................................................................. 85
12.订购信息.............................................. .................................................. ..86
12.1 。 STAC9766 / 9767系列选件和部件顺序号......................................... .................. 86
13引脚说明................................................................................................................87
13.1 。数字I / O ...................................................................................................................................... 88
13.2 。过滤器/参考.......................................................................................................................... 88
13.3 。模拟量I / O .................................................................................................................................... 89
13.4 。电源和接地信号.......................................................................................................... 90
IDT®
2
STAC9766/9767
V 7.4 12/06
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
STAC9766/9767
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
PC音频
14.封装图...........................................................................................................91
14.1 。 48引脚LQFP .................................................................................................................................. 91
15.回流焊简介............................................. .................................................. 92
15.1 。标准的回流焊温度曲线数据........................................................................................................ 92
15.2 。无铅工艺 - 包装分类回流温度.......................................... ....... 93
16.附录A :编程寄存器........................................... .......................... 94
17.修订历史.............................................................................................................96
IDT®
3
STAC9766/9767
V 7.4 12/06
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
STAC9766/9767
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
PC音频
图列表
图1.框图.................................................................................................................................. 8
图2.冷复位时序......................................................................................................................... 13
图3.热复位时序........................................................................................................................13
图4.时钟时序................................................................................................................................ 14
图5.数据建立和保持时间......................................................................................................... 15
图6.信号上升和下降时间定时......................................... .................................................. ..... 15
图7. AC -Link的低功耗模式时序........................................ .................................................. ........ 16
图8. ATE测试模式时序..................................................................................................................16
图9.典型的连接图.......................................................................................................... 17
图10.分割独立电源工作.......................................... ....................................... 19
图11. AC-链接到它的同伴控制器........................................ .................................................. 20
图12.编解码器的时钟源检测........................................... .................................................. .... 21
图13. STAC9766 / 9767掉电时序.......................................... ................................................ 24
图14.双向与插槽分配AC-Link帧..................................... ............................... 27
图15. AC -Link的音频输出帧...................................................................................................... 31
图16.开始的音频输出帧......................................... .................................................. ........ 31
图17. STAC9766 / 9767音频输入框......................................... .................................................. 34
图18.启动音频输入帧的..................................................................................................... 35
图19.双向与时隙分配AC-Link帧..................................... ............................... 39
图20. STAC9766 2声道混音功能框图........................................ ............................... 42
图21. STAC9767 2声道混音功能框图........................................ ............................... 42
STAC9766 / 9767关机/开机流图22.示例...................................... ..................... 81
图23.关机/开机流程,提供模拟还活着....................................... ................................ 82
图24.引脚说明图纸............................................................................................................... 87
图25. 48引脚LQFP封装和封装尺寸...................................... ..................... 91
图26.回流焊简介................................................................................................................... 92
IDT®
4
STAC9766/9767
V 7.4 12/06
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
STAC9766/9767
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
PC音频
表格清单
表1.时钟模式配置............................................................................................................... 14
表2.常见的时钟和源......................................................................................................... 15
表3.推荐的编解码器ID捆包........................................... .................................................. 23
表4. AC- link输出插槽(从控制器发送) .................................... ............................... 27
表5. AC - LINK输入插槽(从CODEC传输) ................................... ................................ 28
表6. VRA行为.................................................................................................................................. 29
表7.输出插槽0位定义............................................................................................................. 32
表8.命令地址端口位分配.......................................... .............................................. 33
表9.状态地址端口位分配.......................................... .................................................. .. 36
表10.状态数据端口位分配.......................................... .................................................. ...... 36
表11.主要CODEC解决:插槽0标记位....................................... ......................................... 38
表12.二次编解码器寻址:插槽0标记位....................................... ...................................... 38
表13. AC- LINK输入插槽编解码...................................................................................................... 39
表14. AC- LINK输入插槽从CODEC ........................................ .................................................. ........ 39
表15. AC- link输出插槽专用于音频....................................... ............................................... 40
表16. AC- LINK输入插槽专用于音频....................................... .................................................. 40
表17.音频中断插槽说明...................................................................................................... 40
表18.数字PC蜂鸣范例............................................................................................................. 45
表19.编程寄存器................................................................................................................. 46
表20.扩展音频ID寄存器的功能.......................................... ................................................ 60
表21. AMAP标准...........................................................................................................................62
表22.硬件支持采样率........................................... .................................................. 63
表23.支持的杰克和麦克风感应功能......................................... ........................................... 72
表24.寄存器68H默认值................................................................................................................. 73
表25.增益或衰减的例子....................................................................................................... 73
表26.寄存器68H / 01H第位概述........................................ .................................................. ... 74
表27.感觉到位(输出) ................................................................................................................... 75
表28.感觉到位(输入) ...................................................................................................................... 76
表29.低功耗模式......................................................................................................................... 81
表30.编解码器ID选择.....................................................................................................................83
表31.二次编解码器寄存器访问时隙0位定义....................................... .................... 84
表32.测试模式激活.....................................................................................................................85
表33. ATE测试模式操作............................................................................................................. 85
表34. STAC9766 / 9767订购信息.......................................... ................................................ 86
表35.数字连接信号............................................................................................................. 88
表36.过滤器和电压参考........................................... .................................................. ..... 88
表37.模拟信号的连接........................................................................................................... 89
表38.电源和接地信号............................................................................................................ 90
IDT®
5
STAC9766/9767
V 7.4 12/06
双通道, 20位, AC'97 2.3编解码器与立体声麦克风和麦克风/杰克传感
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