CM8828
CM8828 is High Performance PCI Express Audio Processor manufactured by C-Media.
- Part of the CM8828-C comparator family.
- Part of the CM8828-C comparator family.
DESCRIPTION
The Oxygen Express™ HD CM8828 is a high quality PCI express multi-channel audio processor that not only an Intel HD Audio specification patible audio single chip, but also can be a controller which can link HDA codec. CM8828 can be built in the home audio electronics or personal puter to provide high fidelity sound and bee a professional audio processing center in your life. It supports up to 10 outgoing channels and 6 ingoing channels. The 10 outgoing channels are posed of 2 playback DMA’s, which are multi-channel DMA (24 bits, 8 channels, 192k), Headphone out & S/PDIF (each 24 bits, 2 channels, 192k), and RTC (real-time munication) DMA (24 bits, 2 channels, 192k). The 6 ingoing channels are spread in 3 recording DMA’s (up to 24 bits, 192k).
BLOCK DIAGRAM
Block Diagram
FEATURES
- patible with PCI Express 1.1 interface with bus mastering and burst modes
- Embedded an 8051-based MCU to transcode HD Audio mand s(An external 4 or 8KB serial EEPROM is required Build in HD Audio controller. Audio format supports 192K/176.4K/96K/88.2K/48K/44.1K and 16/24bits resolution
- integrated 192K/176.4K/96K/88.2K/48K/44.1K, and 16/24-bit S/PDIF transmitter/Receiver
- Supports SPI/I2C control interface
- 24.576MHz crystal input required with embedded
PLL for adaptive clock rate
- Win7/8 WHQL patible
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Copyright © C-Media Electronics Inc.
Rev. 1.0 ︱ Page 1/23
Oxygen TM Express CM8828
High Performance PCI Express Audio Processor
TABLE OF CONTENTS
Revision History 3 1. Description and Overview
4 2. Features
5 3. Applications...
