CM6620A Datasheet, PDF (5/17 Pages) C-Media Electronics – USB 2.0 High-Speed True HD Audio Processor

CM6620A
USB 2.0 High-Speed True HD Audio Processor
Audio I/O
 Integrated Intel HD-Audio codec compatible controller supports external HDA codec
 One pair of USB MIDI I/O interface for pro-audio application
Integrated 8051 Micro-processor
 Embedded 8051 micro-processor to handle the comment/protocol transactions
 Connects to an external parallel NOR Flash/EEPROM memory (Max. 32KB, 55ns access time is required)
for firmware ROM codes
 HID interrupts can be implemented via firmware codes
 Provides maximum HW configuration flexibility with upgradable firmware codes
 VID/PID/Product String can be customized via firmware code programming
Control Interface
 Slave I2C control interface for external master device communication
 Interrupt pin for external master device read transaction
 6 GPIO pins
General
 Embedded USB2.0 transceiver (up to 480MB bandwidth)
 Auto detection for high-speed/full-speed
 GPIO pin for USB Audio Class 2.0 and 1.0 application mode configuration
 Only single 12MHz crystal input is required (embedded PLL function)
 Only single 3.3V power supply required (embedded 3.3V to 2.5V regulator for digital core)
 3.3V digital I/O pads with 5V tolerance
 Industrial standard LQFP-64 package
Value-added Software Features:
 Supports USB Audio Class 2.0 and high-speed mode on Windows® XP, Vista, and Windows® 7 with Cmedia
vendor drivers
 USB Audio class 1.0 with full-speed/high-speed modes compatible with Windows® XP, Vista, 7 UAA driver,
Mac OS X and Linux embedded USB audio drivers
 For Windows, Cmedia drivers provide the following Key Features:
 Playback feedback endpoints to control the data transmission accuracy and to maximize the audio
quality
 Xear™ Pro
 Supports ASIO2.2 driver
 Xear™ Living
 27 global environment effects
 10-band Equalizer with 12 preset modes
 7.1 virtual speaker shifter
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
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