Hot selling Original stock sale CM8888 High-Performance PCI Express Audio Processor Chip LQFP128

Product Descriptions

The Oxygen Express™-series HD CM8888 is a highquality PCI Express multi-channel audio processor with an Intel HD Audio specification-compatible audio chip. It is also a controller that can link HDA codecs or bridge high-quality I2S codecs. The CM8888 can be built into home audio electronics or personal computers to provide high-fidelity sound, providing a professional audio processing center. It supports up to 14 outgoing channels and 12 ingoing channels. The 14 outgoing channels are composed of 4 playback DMA’s, including a multi-channel DMA (32 bits, 8 channels, 192k), a 

S/PDIF & HDMI DMA (each 32 bits, 2 channels, 192k), and a RTC (real-time communication) DMA (32 bits, 2 channels, 192k) channels. The 12 ingoing channels are spread out in 3 recording DMAs (up to 32 bits, 192k).

Product Products

• Compatible with PCI Express 1.1 interface, with bus mastering and burst modes

• Embedded 8051-based MCU transcodes HD Audio commands to link various external I2S codecs (external 4 or 8KB serial EEPROM is required)

• Built-in HD Audio and I2S controllers

• I2S interface sample rate supports 192K/176.4K/96K/88.2K/48K/44.1K and 

16/24/32-bit resolutions

• 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

 Specifications

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