骅讯单芯片 CM6206-LX 高集成USB音频控制器

　　Features

　　USB spec. 2.0 full speed compliant

　　USB audio device class spec. 1.0 and USB HID class spec.1.1 compliant

　　IEC60958 spec. compliant (consumer format S/PDIF input and output with loop-back support)

　　SCMS (Serial Copy Management System) compliant

　　Dolby® digital audio streaming via S/PDIF out S/PDIF output interface

　　USB remote wake-up support

　　6 channel DAC output with 16 bit resolution

　　3.1 Vpp (1.1 Vrms) biased at 2.25V output swing

　　Volume control and mute function

　　Earphone buffer

　　2X interpolator for digital playback data to improve quality

　　2 channel ADC input with 16 bit resolution

　　3.2 Vpp (or 4.0 Vpp programmed by vendor driver) biased at 2.25V input swing

　　Volume control and mute function

　　lsochronous transfer using adaptive synchronization with internal PLL

　　Stereo MIC support with 33dB maximum capability

　　Recording source select from S/PDIF,MIC,Line-in and summation of MIC, Line-in and front channel

　　MIC,Line-in monitor from front channel (all channels optional) with volume control and mute function

　　Master volume control by default; per-channel volume control by C-Media driver

　　Playback with soft-mute function

　　Support 48/ 44.1 KHz sampling rate for both playback and recording

　　MCU support with two-wire serial interface

　　Serial EEPROM support for customized VID/PID

　　MCU / EEPROM / GPIO control via HID software interface

　　Volume up / volume down / playback mute HID button

　　LED indicator pins: operation / recording mute / SCMS protection

　　Embedded USB transceiver and power on reset circuit

　　C-Media value added software(multi-channel positional 3D sound, AC-3 encoder,etc.)

　　Microsoft Vista Premium Level Compliant

　　Single 12MHz crystal input with embedded PLL

　　Single 5V power supply with embedded 5V to 3.3V regulator

　　Industry standard LQFP-48 package