Datasheet > CMI8788_17

CMI8788_17

更新时间： 2022-02-26 14:27:04

品牌	Logo	应用领域
CK-COMPONENTS		PC
页数	文件大小	规格书
25页	902K
描述
High Performance PCI Audio Processor

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CMI8788_17 数据手册

Oxygen^TMHD CMI8788

High Performance PCI Audio Processor

FEATURES

DESCRIPTION



PCI 2.2 interface with bus mastering and burst

The CMI8788 is compatible with all the popular

codecs, from I2S codecs with over 120dB quality to

the usual AC97 codecs. This ability gives customers

the flexibility to design their products exactly the

way they want them. The I2S, AC-Link, 2-wire

master bus, and SPI interfaces are used to transfer

audio data and control data between the CMI8788

and codecs. To facilitate the connection with

existing home audio electronics, the CMI8788 has

incorporated the S/PDIF transmitter and receiver

with 192k sampling rate. An EEPROM interface is

built for the CMI8788 in connection with the

EEPROM to store and retrieve the non-evaporable

data for customer applications, such as board

configuration, sub-vendor and sub-system IDs of

the PCI configuration, or any dynamic data that

customers want to restore at the next power-on.

modes



Only one 24.576MHz oscillator is needed

4 synchronous I2S output data stream pairs

within 1 flexible output DMA



Programmable channel routing mechanism

among the 4 I2S output pairs

4 synchronous I2S input data stream pairs spread

in 3 input DMA’s (for Dolby pro-audio

applications)



DTS® Interactive – a real-time 5.1 channel

encoder that takes 2 or more channels and

encodes them into a DTS bit stream.

DTS® NeoPC - an up-mix matrix that turns any 2

channel audio into 7.1 channel surround sound

Dolby® Digital Live (AC-3) real-time 5.1 channel

encoding bit-stream to facilitate the connection

with CE AV receiver



BLOCK DIAGRAM

www.cmedia.com.tw

Rev. 1.2 ︱ Page 1/25

12 3 4 5 6 7...25

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