Datasheet > CM6620A

CM6620A

更新时间： 2024-11-29 01:24:39

品牌	Logo	应用领域
骅讯 - CMEDIA		/
页数	文件大小	规格书
17页	630K
描述
USB 2.0 High-Speed True HD Audio Processor

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CM6620A 数据手册

CM6620A

USB 2.0 High-Speed True HD Audio Processor

DESCRIPTION

FEATURES

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



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

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.



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

BLOCK DIAGRAM

www.cmedia.com.tw

Rev. 0.1 ︱ Page 1/16

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