CM6620A Datasheet, PDF (1/17 Pages) C-Media Electronics – USB 2.0 High-Speed True HD Audio Processor

CM6620A
USB 2.0 High-Speed True HD Audio Processor
DESCRIPTION
Cmedia CM6620A a USB2.0 high-speed audio
processor that can support the latest USB Audio
Device Class Definition V2.0 and 7.1-channel true
high-definition audio and Line-In/Mic-In (all up to
192KHz/24bit). CM6620A solution integrates
CM9882A as the default codec to provide
high-fidelity 106dB SNR (48KHz@24bit) and ~-95dB
THD+N (@1KHz) line output. It could also support
192KHz/24bit S/PDIF transmitter and receiver and
also a USB2.0 MIDI I/O device for music creation
applications. CM6620A has an embedded 8051
compatible microprocessor that can provide the
best flexibility and functionality with the external
upgradable 32KB NOR Flash ROM codes. With
Cmedia versatile software technologies, CM6620A
is a powerful audio core for high-value USB2.0
audio applications.
BLOCK DIAGRAM
FEATURES
 USB Spec. Rev.2.0 high-speed/full-speed mode
compatible
 Latest USB Audio Device Class Definition Release
2.0/1.0 compatible (UAC2.0)
 USB Human Interface Device (HID) Class
Definition Release 1.1 compliant
 Supports USB suspend/resume/reset functions
 Supports control, interrupt, bulk, and
isochronous data transfersOutput capability
(With Cmedia CM9882A HD Codec)
 Embedded one USB MIDI I/O engine
 Integrated Intel HD-Audio codec compatible
controller supports external HDA codec
 One pair of USB MIDI I/O interface for pro-audio
application
 Embedded 8051 micro-processor to handle the
comment/protocol transactions
 Connects to an external parallel NOR
Flash/EEPROM memory (Max. 32KB) for firmware
ROM codes
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