CMI8738-MX Datasheet, PDF (1/32 Pages) C-Media Electronics – PCI-6CH C3DX series /PCI-Based HRTF 3D Extension Positional Audio Chip

CMI8738
PCI-6CH C3DX series /PCI-Based HRTF 3D Extension Positional Audio Chip
DESCRIPTION
With high speed PCI V2.1 bus controller and legacy
audio SBPro® DSPemulator,CMI8738 is designed for
PC add-in cards and all-in-one motherboards. No
external CODEC is needed in CMI8738: CMI-8738
supports the legacy audio – SBPRO™, FM
emulator/DLS wavetable music synthesis, and
HRTF 3D positional audio functions. Drivers
support EAX® , Karaoke Key, Echo……functions.
Above all CMI8738 supports PCtel® HSP56 (1789)
interface.
CMI8738 uses HRTF 3D extension technology to
enhance traditional HRTF 3D positional audio by
substituting two-speaker system by four or six -
speaker one.
Being outstanding for its full audio functions,
competitive price, and power management,
CMI-8738 is the best choice for people seeking for
optimum use of the PC applications.
BLOCK DIAGRAM
FEATURES
 6CH DAC for AC3® 5.1CH purpose.
 HRTF-based 3D positional audio, supporting
DirectSound™ 3D interface
 Supports 4.1/5.1 speakers, C3DX positional audio
in 4 / 6 CH speaker mode
 Legacy audio SBPRO™ compatible
 DLS-based wavetable music synthesizer, supports
DirectMusic™
 Built-in 32ohm Earphone buffer
 Drivers support EAX® , Karaoke Key, Echo…
 MPU-401 port/ Dual game port
 16-bit full duplex CODEC
 32-bit PCI bus master
 External E²PROM interface
 Single chip design, digital power +3.3V, analog
power +5V, 128 pins QFP
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