C Media 
USB 2.0 audio chip with integrated 8051 and equalizer
CM6510B is a USB 2.0 audio chip with integrated 8051 for flexible applications. With internal 2-channel ADC and DAC, S/PDIF interface and USB 2.0 High speed switch makes it suitable for different kinds of Docking applications, such as iDevice docking, Android Phone or Tablet/Slate docking device and Netbook/Notebook docking.
CM6510B is compatible with USB audio Class 1.0, and can plug & play without additional software installation on the major operation systems. The internal DAC/ADC and S/PDIF out interface support96K/88.2K/48K/44.1KHz sampling rate and 16/24bit resolution.
CM6510B integrates the Equalizer on both playback and recording paths. With I2S in/out interface, it can connect external DAC to get higher audio quality or external DSP to process the audio data.
- High Definition Audio Playback and Recording (96KHz / 24bit)
- Electrical Noise Immunity via USB Digital Link
- Flexible Interface to Extent Application Field
- Flexible Descriptor Option by Firmware
- USB Compliance
- USB 2.0 full-speed compliant
- USB Audio Class 1.0 compliant
- USB Human Interface Device (HID) Class 1.1 compliant
- Supports USB suspend/resume/reset functions
- Supports control, interrupt, bulk, and isochronous data transfer
- Support Synchronous and Asynchronous audio data synchronization
- Playback Streams:
- -Stereo DAC
- *Sample Rates: 8K/11.025K/16K/22.05K/32K/44.1K/48/88.2/96K
- *Supports Bit Length: 16/24 bits
- -Builds in S/PDIF transmitter
- *Sample Rates: 32K/44.1K/48/88.2/96K
- *Supports Bit Length: 16/24 bits
- -Build in I2S interface with DSP mode
- *Sample Rates: 8K/11.025K/16K/22.05K/32K/44.1K/48/88.2/96K
- *Supports Bit Length: 16/24 bits
- Recording Streams:
- -Stereo ADC
- *Sample Rates: 8K/11.025K/16K/22.05K/32K/44.1K/48/88.2/96K
- *Supports Bit Length: 16/24 bits
- -Build in I2S interface with DSP mode
- *Sample Rates: 8K/11.025K/16K/22.05K/32K/44.1K/48/88.2/96K
- *Supports Bit Length: 16/24 bits
- Embedded 8051 micro-processor to handle the comment/protocol transactions
- Connects to an external EEPROM memory for firmware codes
- HID interrupts can be implemented via firmware codes
- Provides maximum HW configuration flexibility with firmware code upgrade
- VID/PID/Product String can be customized via firmware code programming
- Master I2C control interface for external audio devices or EEPROM access
- UART interface can be the MIDI interface or standard UART interface
- Max. 15 GPIO pins can be configured via firmware programming
- GPIOs are configured as HID key and LED indicators
- IR interface to support remote control
- Hardware pins for mode configuration including Headset, Speaker, Docking and Mic
- Hardware pin for A-A path enable/disable
- Only single 12MHz crystal input is required (embedded PLL function)
- Single 5V power supply (embedded 5V to 1.8V regulator for digital core, 5V to 3.3V regulator for digital IO, 5V to 3.5V regulator for analog codec)
- 3.3V digital I/O pads with 5V tolerance
- Industrial standard LQFP-64 package (7x7mm)
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