CM6533：USB,24bit 96KHZ音频编解码芯片
Cmedia是提供USB音频外设应用（如USB耳机，手机，麦克风，扬声器和声音电台）的全球领导者。借助USB即插即用兼容性的便利性，客户可以快速创建基于Cmedia高度集成的单芯片解决方案的易用，高质量和便携式USB音频产品。可以轻松差异化您的产品并提供更多价值，Cmedia还提供可选的CmediaXear™Windows驱动程序，它支持包括杜比和DTS声音技术在内的各种高级功能。
- 型号： CM6533
CM6533
USB Compliance
USB spec. 2.0 full-speed compatible and USB-IF certification
USB audio device class spec. 1.0 compliant
USB HID device class spec. 1.1 compliant
Architecture
USB suspend/resume support
Embedded USB transceiver and power-on reset circuit
256K Byte Flash and 32K Byte programming size supported for flexible customizing
Integrates 5-Band Hardware Equalizer with up-to-4 preset modes
Built-in Automatic Gain Control (AGC) for microphone recording
MCU / Flash / GPIO control via HID / Vender command interface (MCU read/write support 16 bytes data transfer bandwidth)
Supports up to 12 GPIO pins
Single 5V power supply with embedded 5V-to-4.5V and 5V-to-3.3V regulators
Audio I/O
2-channel DAC outputs with 16-ohms headphone amplifier (support from 8 ~ 96 KHz sampling rate and 16/24 bits resolution.)
2-channel ADC inputs (support from 8 ~ 96 KHz sampling rate and 16/24 bits resolution.)
Supports stereo microphone inputs with independent voltage bias pins and analog mixer (monitoring) function
Supports ADC DC offset cancellation high-pass-filter
Supports optional digital S/PDIF output
Configurable USB audio topology to Headset/Speaker/Microphone modes by internal 8051 MCU
Control Interfaces
Featured with Microsoft® HID controls including Vol_Up / Vol_Dn / Playback_Mute / Record_Mute / Play_Pause / Stop / Previous / Next hot-key buttons (enabled by default)
Optional analog DC VR volume control pin with internal ADC potentiometer
I2C/SPI/UART master/slave mode control interface
Supports Tri-color PWM LED indicator control pins(GPIO4,GPIO5,GPIO6)
General
Industrial standard small footprint LQFP-48 green package