CM103 查看數據表（PDF） - C-Media Electronics

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产品描述 (功能)

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CM103

16-Bit Stereo USB Audio Controller

C-Media Electronics 

CM103+

USB Stereo Audio Chip for Digital Speakers Application

6.1.2 CONFIGURATION DESCRIPTOR

Offset

Field

Size

0

bLength

1

1

bDescriptorType

1

2

wTotalLength

2

4

bNumInterfaces

1

5 bConfigurationValue 1

6

iConfiguration

1

7

bmAttributes

1

8

bMaxPower

2

Value

(Hex)

Description

09 Total 9 Bytes

02 Configuration Descriptor

Total length of data returned for this

008D

configuration.

Number of interfaces supported by this

03

Configuration.

01

00

80 Self-powered without Remote Wakeup

Maximum power consumption of the

FA

USB. 0xFA=500 mA

6.1.3 USB AUDIO TOPOLOGY DIAGRAM

USB streaming

ID = 01

Feature Unit

(Volume) (Mute)

ID = 0D

Speaker

ID = 03

Date: 09/25/2005

- 14 -

Version: 1.01

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