CMI9739A – 6-Channel Audio Codec

CMI9739A Datasheet PDF learn more.

Part number : CMI9739A

Functions : This is a kind of semiconductor, 6-Channel Audio Codec.

Pin arrangement :

Package information :

Manufacturer : C-Media Electronics

Image :

CMI9739A Datasheet PDF

The texts in the PDF file :

CMI 9739 Integrated Multi-channel AC’97 CMI9739/CMI9739A Six Channel Audio Codec Specifications Preliminary


and Overview Universality CMI9739 is a 6CH AC97 CODEC, applicable for major MB chipsets of Intel, VIA, Ali, and SIS. CMI9739 is ideal for PC2001-compliant desktops, notebooks, and home entertainment PCs where high-quality audio is a must. 6CH Playback The specially-designed 6CH hardware architecture of CMI9739 allows multi-channel south bridge to playback 6CH audio. Cost-effectiveness As to the cost concern, CMI9739 integrates the earphone buffer, analog CD differential interface, and analog switch for rear channel audio to Line-in. Besides, Mic-in can share same jack with center/bass output for


„ Intel AC’97(Rev 2.2) compatible, meeting Microsoft’s PC2001 requirements „ Built-in earphone buffer and internal PLL, the latter saving additional crystal. „ Earphone buffer, optional on HP_OUT pins(9739) or LINE_HP_OUT pins(9739A). „ Line-in/rear out share the same jack. „ Center/bass share the MIC jack. „ Digital S/PDIF IN/OUT support „ 48 LQFP package. „ CRL 3D: HRTF based DS3D compatible audio engine. „ EAX 1.0 & 2.0 compatible. „ Sensaura 3D audio enhancement (optional). DataSheet „ 18-20bit DAC interface for SPDIF DataShee traditional 3 jacks audio port to output 6 channels audio. CMI9739 also has built-in PLL to save additional crystal. More Audio Option Last but not least, CMI9739 provides HRTF 3D audio which interface compatible with EAX/ A3D/DirectSound3D. In addition, it provides Sensaura 3D audio option. beyond general expectation. In that regard, the audio quality of CMI9739 is fabulous I/O(ICH4). DataSheet Revision Date: May 2002 Version: 1.3 1 DataSheet 4 U .com CMI 9739 Integrated Multi-channel AC’97 PIN DESCRIPTIONS CMI9739 PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Signal Name PIN # DVdd1 25 X [ … ]

CMI9739A PDF File

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