Cmedia是提供USB音頻外設(shè)應(yīng)用（如USB耳機(jī)，手機(jī)，麥克風(fēng)，揚(yáng)聲器和聲音電臺(tái)）的全球領(lǐng)導(dǎo)者。借助USB即插即用兼容性的便利性，客戶可以快速創(chuàng)建基于Cmedia高度集成的單芯片解決方案的易用，高質(zhì)量和便攜式USB音頻產(chǎn)品?？梢暂p松差異化您的產(chǎn)品并提供更多價(jià)值，Cmedia還提供可選的CmediaXear?Windows驅(qū)動(dòng)程序，它支持包括杜比和DTS聲音技術(shù)在內(nèi)的各種高級(jí)功能。
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