USB Audio Sound Chip w/ 2-channel ADC/DAC and S/PDIF Interface

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For new designs, the Cmedia CM6533 is highly reomended. The CM6533 integrates FLASH and Xtal which reduces BOM cost.
CM6502 is a USB 2.0 audio chip builds in 8051 for flexible applications. With internal 2-channel ADC and DAC and S/PDIF interface makes it suits for Headset, Docking, Speaker and Mic applications. The internal 8051 can be also developed to a lot of different applications, such as Lync device, iDevice docking or even Android Phone or Tablet/Slate docking device.
CM6502 is compatible with USB audio Class 1.0, thus it can plug & play without additional software installation on the major operation systems. The internal DAC/ADC and S/PDIF out interface support 48K/44.1KHz sampling rate and 16bit resolution.  CM6502 integrates the Equalizer on both playback and recording paths to compensate the frequency response of mic and headphone.


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USB 2.0 full-speed compliant
USB Audio Class 1.0 compliant
USB Human Interface Device (HID) Class 1.1 compliant
2 channel DAC for audio output interface
2 channel ADC for audio input interface
Support Digital Mic interface
Build in 48K/44.1KHz and 16bit S/PDIF transmitter
Build in Equalizer on both playback and recording paths
Build in AGC on recording path
Support USB suspend/resume/reset functions
Support control, interrupt, bulk, and isochronous data transfers
Embedded 1T 8051
Master I2C control interface for external audio devices or EEPROM access
14 GPIO pins


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Cmedia Datasheet

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