CM6535 Datasheet | C-Media

DESCRIPTION The CM6535 is a USB 2.0 audio chip builds in 8051 for flexible applications with Tri-Colors PWM LED driver, two (2)-channel ADC/DAC and S/PDIF and I2S interface makes it suitable for headset, notebook/ mobile docking, speaker and microphone applications. The internal 8051 can also be developed to different applications, such as Microsoft™ Lync/ Skype/Vo IP device and Android Phone or Tablet/Slate docking device. The CM6535 is patible with USB Audio Class 1.0 and USB 2.0 full-speed, thus it can plug and play without additional software installation on the major operation systems. The internal DAC/ADC and I2S support 8~96 KHz sampling rate and 16/24bits resolution. The CM6535 integrates the equalizer on both playback and recording paths to pensate the frequency response of microphones and headphones. The CM6535 also integrates 512K Byte flash (Including 32KB F/W programming size) and requires few passive ponents to make a finish product. Thus, it can save the total BOM cost and PCB area can be smaller. BLOCK DIAGRAM FEATURES - USB 2.0 full-speed pliant - USB Audio Class 1.0 pliant - USB Human Interface Device (HID) Class 1.1 pliant - Two (2)-channel DAC & I2S for audio output interface - Two (2)-channel ADC & I2S for audio input interface - Supports Digital Microphone Interface - Built-in S/PDIF Input/output transmitter - Built-in Equalizer on both playback and recording paths - Built-in AGC on recording path - Supports dual tone generator - Supports USB suspend/resume/reset functions - Supports control, interrupt, bulk, and isochronous data transfers - Embedded 1T 8051 with 32K Byte SRAM and 512K Byte flash(Including 32K Byte F/W programming size) - Supports OMTP and CTIA auto switch on a 4-pole jack - Integrated Tri-Colors PWM LED driver - Master/Slave H/W I2C/SPI/UART control interface for external audio devices or FLASH access - Built-in 30m W @ 32 ohm load headphone amplifier - On chip watchdog timer USB Interface External 12M Crystal Control...