CMI8786

OxygenTMHD CMI8786 High Performance PCI Audio Processor DESCRIPTION The CMI8786 is a high quality PCI 32-bit multi-channel audio processor that can be built in the home audio electronics or personal computer to provide high fidelity sound and become a professional audio processing center in your life. It supports up to 10 outgoing channels and 4 ingoing channels. The 10 outgoing channels are composed of 2 playback DMA’s, which are multi-channel DMA (24 bits, 8 channels, 96k), S/PDIF DMA (24 bits, 2 channels, 192k). The 4 ingoing channels are spread in 2 recording DMA’s (24 bits, 96k), namely recording A, B, DMA’s. The architecture of recording is a unique point of CMI8786 that makes the recording become the most flexible for the users. The details of the recording mode selection will be explained in the later sections. BLOCK DIAGRAM FEATURES  PCI 2.2 interface with bus mastering and burst modes  Only one 24.576MHz oscillator is needed  4 synchronous I2S output data stre...