数据表

双声道HD音频编解码器MODEM

&数字双麦克风INTERFACES

描述

该STAC9250 / 9251顷高保真双声道音频编解码器

符合高清晰度音频（ HD音频）规范

由英特尔定义的。该STAC9250 / 9251实现了双芯片音频

和调制解调器实现集成的“系统端”

对Silicon Labs的调制解调器解决方案的功能。该STAC9250 /

9251提供了一个直接的接口， Silicon Labs的“侧线”英特

碎电路。这种整合可以节省开支SAC-无

rificing音频保真度和调制解调器功能。该STAC9251还

实现了一个直接接口两个数字麦克风，支持 -

荷兰国际集团先进波束成形的应用，并导致

语音应用提高质量。

STAC9250/9251

从Silicon Labs的集成调制解调器功能

1

支持降低BOM成本

接口直接从线路侧集成电路

SILICON LABS

支持双芯片音频加调制解调器功能

支持从软件调制解调器的实现

摩托罗拉和其他与Silicon Labs的兼容

芯片组

支持主板实现消除MDC

卡与连接器成本

减少电路板空间

减少外部元件数量

特点

高集成的HD音频产品

2路PC音频编解码器

调制解调器“系统端”功能

1

双数字麦克风接口（ STAC9251 ）

双通道DAC和ADC ，24位采样

决议

集成的耳机放大器

立体声模拟麦克风

支持立体声麦克风

麦克风增益0 ， 10 ， 20 ， 30 ， 40分贝

S / PDIF输入和输出

对于插孔任务重新分配的通用插口功能

可调输出VREF

数字PC蜂鸣所有输出

采用48引脚LQFP封装环境

双声道高清晰度音频编解码器

调制解调器和双数字麦克风接口

高性能

Σ

技术

采样率高达192 kHz

100分贝DAC SNR

1.调制解调器功能只能与一个“行用

一边“ DAA集成电路， Si3080或类似的，可

从Silicon Labs公司（ www.silabs.com ） 。

IDT

1

STAC9250/9251

V 1.1 102706

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

STAC9250/9251

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

PC音频

目录

1.描述........................................................................................................................... 9

1.1 。概观........................................................................................................................................... 9

1.2 。产品特点............................................................................................................................................ 9

1.3 。描述...................................................................................................................................... 10

2.特点............................................................................................................... 11

2.1 。音频保真度.................................................................................................................................. 11

2.2 。电气规格................................................................................................................... 11

2.3 。 STAC9250 / 9251 5V模拟性能特点........................................... ................... 13

2.4 。 STAC9250 / 9251 4V的模拟性能特点........................................... ................... 14

2.5 。 STAC9250 / 9251 3.3V的模拟性能特点.......................................... ................. 14

2.6 。耗电量........................................................................................................................ 15

3.详细说明......................................................................................................16

3.1 。 SPDIF输入..................................................................................................................................... 16

3.2 。 SPDIF输出.................................................................................................................................. 16

3.3 。数字麦克风支持（仅STAC9251 ） ........................................... ...................................... 16

3.4 。 SILABS系统端调制解调器........................................................................................................... 16

3.5 。单声道输出......................................................................................................................................... 16

3.6 。耳机驱动器（限制） ............................................. .................................................. .... 17

3.7 。万能插座 ............................................................................................................................ 17

4.功能框图............................................. ........................................... 18

4.1 。 STAC9250 ....................................................................................................................................... 18

4.2 。 STAC9251 ....................................................................................................................................... 19

5.小工具信息......................................................................................................... 20

5.1 。部件图 - STAC9250 .......................................................................................................... 20

5.2 。部件图 - STAC9251 .......................................................................................................... 21

5.3 。窗口小部件列表 - STAC9250 / 9251 ........................................................................................................ 22

5.4 。根节点（ NID = 0×00） .................................................................................................................. 23

5.5 。 AFG节点（ NID = 0×01 ） .................................................................................................................. 24

5.6 。 DAC0Cnvtr节点（ NID = 0×02 ） ....................................................................................................... 39

5.7 。 ADC0Cnvtr节点（ NID = 0×03） ....................................................................................................... 43

5.8 。 SPDIFinCnvtr节点（ NID = 0×04 ） ........................................... .................................................. ...... 48

5.9 。 SPDIFoutCnvtr节点（ NID = 0×05 ） ........................................... .................................................. .... 54

5.10 。 DAC0Mux节点（ NID = 0×06 ） ....................................................................................................... 59

5.11 。 DigInPin节点（ NID = 0×07 ） .......................................................................................................... 62

5.12 。 DigOutPin节点（ NID = 0×08 ） ....................................................................................................... 68

5.13 。 ADC0VolMux节点（ NID = 0×09 ） ........................................... .................................................. ..... 73

5.14 。 MasterVol节点（ NID = 0x0E的） ....................................................................................................... 77

5.15 。 InPortMux节点（ NID =为0x0F ） ....................................................................................................... 80

5.16 。 PortAPin节点（ NID = 0x0A的） ......................................................................................................... 84

5.17 。 PortDPin节点（ NID = 0X0D ） ........................................................................................................ 89

5.18 。 PortCPin节点（ NID = 0x0C的） ........................................................................................................ 95

5.19 。 PortBPin节点（ NID = 0x0B中） ....................................................................................................... 101

5.20 。 MonoOutPin节点（ NID = 0×10 ） ........................................... .................................................. 107 ....

5.21 。 CDPin节点（ NID = 0x11的） ........................................................................................................... 112

5.22 。 MonoOutMix节点（ NID = ×12 ） ........................................... .................................................. 115 ....

5.23 。 PCBeep节点（ NID = 0x13）均禁用........................................................................................................ 117

5.24 。 ADC0InMux节点（ NID = 0×14 ） ........................................... .................................................. ..... 120

5.25 。 DigMicPin节点（ NID = 0x15执行）（ STAC9251只） ....................................... .................................. 125

6.订购信息.............................................. .................................................. 129 ..

6.1 。 STAC9250 / 9251系列选件和部件顺序号......................................... .................. 129

6.2 。 STAC9250 / 9251引脚图....................................................................................................... 130

6.3 。针表STAC9250 / 9251 ...................................................................................................... 131

7.封装图纸......................................................................................................... 133

IDT

2

STAC9250/9251

V 1.1 102706

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

STAC9250/9251

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

PC音频

7.1 。 48引脚LQFP .................................................................................................................................. 133

8.回流焊简介............................................. .................................................. 134

8.1 。标准的回流焊温度曲线数据........................................................................................................ 134

8.2 。无铅工艺 - 包装分类回流温度.......................................... 135 .......

9.修订历史............................................................................................................. 136

图列表

图1. STAC9250功能框图........................................... ................................................ 18

图2. STAC9250功能框图........................................... ................................................ 19

图3. STAC9250小部件图.......................................................................................................... 20

图4. STAC9251小部件图.......................................................................................................... 21

图5. STAC9250 / 9251引脚图..................................................................................................... 130

图6. 48引脚LQFP封装和封装尺寸...................................... ..................... 133

图7.回流焊简介................................................................................................................... 134

表格清单

表1.数字电源消耗............................................................................................................. 15

表2. 5V模拟电源功耗....................................................................................................... 15

表3.高清晰度音频控件........................................................................................................... 22

表4根PnpID命令动词格式.......................................... .................................................. .... 23

表5根PnpID命令响应格式.......................................... ............................................. 23

表6根REVID命令动词格式.......................................... .................................................. .... 23

表7.根REVID命令响应格式.......................................... ............................................. 23

表8.根的nodeinfo命令动词格式.......................................... ................................................. 24

表9.根的nodeinfo命令响应格式.......................................... ........................................ 24

表10. AFG复位命令动词格式.......................................... .................................................. 24 ..

表11. AFG复位命令响应格式.......................................... ............................................ 25

表12. AFG的nodeinfo命令动词格式.......................................... ............................................... 25

表13. AFG的nodeinfo命令响应格式.......................................... ....................................... 25

表14. AFG类型命令动词格式.......................................... .................................................. .... 26

表15. AFG类型命令响应格式.......................................... ............................................. 26

表16. AFG GrpCap命令动词格式.......................................... ................................................. 26

表17. AFG GrpCap命令响应格式.......................................... ......................................... 26

表18. AFG FrmtCap命令动词格式.......................................... ................................................ 27

表19. AFG FrmtCap命令响应格式.......................................... ....................................... 27

表20. AFG StreamCap命令动词格式.......................................... ............................................ 28

表21. AFG StreamCap命令响应格式.......................................... ................................... 28

表22. AFG PwrCap命令动词格式.......................................... ................................................. 28

表23. AFG PwrCap命令响应格式.......................................... ........................................ 29

表24. AFG GPIOCap命令动词格式.......................................... .............................................. 29

表25. AFG GPIOCap命令响应格式.......................................... ...................................... 30

表26. AFG OutAmpCap命令动词格式.......................................... .......................................... 30

表27. AFG OutAmpCap命令响应格式.......................................... ................................. 30

表28. AFG PwrState命令动词格式.......................................... ............................................... 31

表29. AFG PwrState命令响应格式.......................................... ....................................... 31

表30. AFG UnsolResp命令动词格式.......................................... ............................................ 31

表31. AFG UnsolResp命令响应格式.......................................... .................................... 32

表32. AFG GPIO命令动词格式.......................................... .................................................. ... 32

IDT

3

STAC9250/9251

V 1.1 102706

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

STAC9250/9251

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

PC音频

表33. AFG GPIO命令响应格式.......................................... ............................................ 32

表34. AFG GPIOEn命令动词格式.......................................... ................................................ 33

表35. AFG GPIOEn命令响应格式.......................................... ........................................ 33

表36. AFG GPIODIR命令动词格式.......................................... ................................................ 34

表37. AFG GPIODIR命令响应格式.......................................... ........................................ 34

表38. AFG GPIOWake命令动词格式.......................................... ............................................ 35

表39. AFG GPIOWake命令响应格式.......................................... ................................... 35

表40. AFG GPIOUnsolEn命令动词格式.......................................... ....................................... 35

表41. AFG GPIOUnsolEn命令响应格式.......................................... ............................... 36

表42. AFG GPIOSticky命令动词格式.......................................... ........................................... 36

表43. AFG GPIOSticky命令响应格式.......................................... ................................... 37

表44. AFG SYSID命令动词格式.......................................... .................................................. .. 37

表45. AFG SYSID命令响应格式.......................................... ............................................ 38

表46. AFG DigMic （对于STAC9251只）命令动词格式..................................... ...................... 38

表47. AFG DigMic （对于STAC9251只）命令响应格式..................................... ............. 38

表48. DAC0Cnvtr FRMT命令动词格式.......................................... ............................................ 39

表49. DAC0Cnvtr FRMT命令响应格式.......................................... ................................... 39

表50. DAC0Cnvtr WCAP命令动词格式.......................................... ......................................... 40

表51. DAC0Cnvtr WCAP命令响应格式.......................................... ................................ 40

表52. DAC0Cnvtr PwrState命令动词格式.......................................... .................................... 41

表53. DAC0Cnvtr PwrState命令响应格式.......................................... ............................ 41

表54. DAC0Cnvtr流命令动词格式.......................................... ....................................... 42

表55. DAC0Cnvtr流命令响应格式.......................................... ............................... 42

表56. ADC0Cnvtr FRMT命令动词格式.......................................... ............................................ 43

表57. ADC0Cnvtr FRMT命令响应格式.......................................... ................................... 43

表58. ADC0Cnvtr WCAP命令动词格式.......................................... ......................................... 44

表59. ADC0Cnvtr WCAP命令响应格式.......................................... ................................ 44

表60. ADC0Cnvtr ConnLen命令动词格式.......................................... .................................... 45

表61. ADC0Cnvtr ConnLen命令响应格式.......................................... ............................ 45

表62. ADC0Cnvtr ConnLst命令动词格式.......................................... ...................................... 46

表63. ADC0Cnvtr ConnLst命令响应格式.......................................... ............................. 46

表64. ADC0Cnvtr ProcState命令动词格式.......................................... ................................... 46

表65. ADC0Cnvtr ProcState命令响应格式.......................................... ........................... 46

表66. ADC0Cnvtr PwrState命令动词格式.......................................... .................................... 47

表67. ADC0Cnvtr PwrState命令响应格式.......................................... ............................ 47

表68. ADC0Cnvtr流命令动词格式.......................................... ....................................... 47

表69. ADC0Cnvtr流命令响应格式.......................................... ............................... 47

表70. SPDIFinCnvtr FRMT命令动词格式.......................................... ........................................ 48

表71. SPDIFinCnvtr FRMT命令响应格式.......................................... ............................... 48

表72. SPDIFinCnvtr WCAP命令动词格式.......................................... ..................................... 49

表73. SPDIFinCnvtr WCAP命令响应格式.......................................... ............................. 49

表74. SPDIFinCnvtr FrmtCap命令动词格式.......................................... ................................. 50

表75. SPDIFinCnvtr FrmtCap命令响应格式.......................................... ......................... 50

表76. SPDIFinCnvtr StreamCap命令动词格式.......................................... ............................. 51

表77. SPDIFinCnvtr StreamCap命令响应格式.......................................... .................... 52

表78. SPDIFinCnvtr ConnLen命令动词格式.......................................... ................................. 52

表79. SPDIFinCnvtr ConnLen命令响应格式.......................................... ........................ 52

表80. SPDIFinCnvtr ConnLst命令动词格式.......................................... .................................. 52

表81. SPDIFinCnvtr ConnLst命令响应格式.......................................... ......................... 53

表82. SPDIFinCnvtr流命令动词格式.......................................... .................................... 53

表83. SPDIFinCnvtr流命令响应格式.......................................... ........................... 53

表84. SPDIFinCnvtr DigCtl命令动词格式.......................................... ..................................... 53

表85. SPDIFinCnvtr DigCtl命令响应格式.......................................... ............................. 54

表86. SPDIFoutCnvtr FRMT命令动词格式.......................................... ...................................... 54

表87. SPDIFoutCnvtr FRMT命令响应格式.......................................... ............................. 55

IDT

4

STAC9250/9251

V 1.1 102706

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

STAC9250/9251

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES

PC音频

表88. SPDIFoutCnvtr WCAP命令动词格式.......................................... ................................... 56

表89. SPDIFoutCnvtr WCAP命令响应格式.......................................... .......................... 56

表90. SPDIFoutCnvtr FrmtCap命令动词格式.......................................... ............................... 57

表91. SPDIFoutCnvtr FrmtCap命令响应格式.......................................... ...................... 57

表92. SPDIFoutCnvtr StreamCap命令动词格式.......................................... ........................... 58

表93. SPDIFoutCnvtr StreamCap命令响应格式.......................................... .................. 58

表94. SPDIFoutCnvtr流命令动词格式.......................................... ................................. 58

表95. SPDIFoutCnvtr流命令响应格式.......................................... ......................... 58

表96. SPDIFoutCnvtr DigCtl命令动词格式.......................................... ................................... 59

表97. SPDIFoutCnvtr DigCtl命令响应格式.......................................... ........................... 59

表98. DAC0Mux WCAP命令动词格式.......................................... ........................................... 59

表99. DAC0Mux WCAP命令响应格式.......................................... .................................. 60

表100. DAC0Mux ConnLen命令动词格式.......................................... .................................... 60

表101. DAC0Mux ConnLen命令响应格式.......................................... ............................ 61

表102. DAC0Mux ConnSel命令动词格式.......................................... ..................................... 61

表103 DAC0Mux ConnSel命令响应格式.......................................... ............................ 61

表104. DAC0Mux ConnLst命令动词格式.......................................... ..................................... 61

表105 DAC0Mux ConnLst命令响应格式.......................................... ............................. 61

表106. DAC0Mux LR命令动词格式.......................................... .............................................. 62

表107. DAC0Mux LR命令响应格式.......................................... ...................................... 62

表108 DigInPin WCAP命令动词格式.......................................... ............................................ 62

表109. DigInPin WCAP命令响应格式.......................................... ................................... 63

表110. DigInPin帽命令动词格式.......................................... ............................................... 63

表111 DigInPin帽命令响应格式.......................................... ...................................... 64

表112. DigInPin PwrState命令动词格式.......................................... ....................................... 64

表113 DigInPin PwrState命令响应格式.......................................... .............................. 64

表114. DigInPin CTL命令动词格式.......................................... ................................................. 65

表115 DigInPin CTL命令响应格式.......................................... ......................................... 65

表116. DigInPin UnsolResp命令动词格式.......................................... .................................... 65

表117. DigInPin UnsolResp命令响应格式.......................................... ........................... 66

表118 DigInPin感命令动词格式.......................................... ........................................... 66

表119. DigInPin检测命令响应格式.......................................... ................................... 66

表120. DigInPin EAPD命令动词格式.......................................... ............................................ 67

表121. DigInPin EAPD命令响应格式.......................................... ................................... 67

表122 DigInPin Config命令动词格式.......................................... ........................................... 67

表123. DigInPin Config命令响应格式.......................................... ................................... 68

表124 DigOutPin WCAP命令动词格式.......................................... ......................................... 68

表125 DigOutPin WCAP命令响应格式.......................................... ................................ 68

表126. DigOutPin帽命令动词格式.......................................... ............................................ 69

表127. DigOutPin帽命令响应格式.......................................... .................................... 69

表128. DigOutPin ConnLen命令动词格式.......................................... .................................... 70

表129. DigOutPin ConnLen命令响应格式.......................................... ............................ 70

表130. DigOutPin ConnSel命令动词格式.......................................... ..................................... 71

表131 DigOutPin ConnSel命令响应格式.......................................... ............................ 71

表132. DigOutPin ConnLst命令动词格式.......................................... ..................................... 71

表133. DigOutPin ConnLst命令响应格式.......................................... ............................. 71

表134. DigOutPin CTL命令动词格式.......................................... .............................................. 72

表135. DigOutPin CTL命令响应格式.......................................... ...................................... 72

表136. DigOutPin Config命令动词格式.......................................... ........................................ 72

表137. DigOutPin Config命令响应格式.......................................... ................................ 72

表138. ADC0VolMux VolRight命令动词格式.......................................... ................................ 73

表139. ADC0VolMux VolRight命令响应格式.......................................... ....................... 73

表140. ADC0VolMux VolLeft命令动词格式.......................................... .................................. 74

表141. ADC0VolMux VolLeft命令响应格式.......................................... .......................... 74

表142 ADC0VolMux WCAP命令动词格式.......................................... .................................... 74

IDT

5

STAC9250/9251

V 1.1 102706

双声道HD音频编解码器MODEM &数字双麦克风INTERFACES