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

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产品描述 (功能)

生产厂家

CM103

16-Bit Stereo USB Audio Controller

C-Media Electronics 

CM103+

USB Stereo Audio Chip for Digital Speakers Application

6. FUNCTION DESCRIPTIONS

6.1 USB INTERFACE

6.1.1 DEVICE DESCRIPTOR

Offset

Field

Size

Value

(Hex)

Description

0

bLength

1

12 Total 18 Bytes

1

bDescriptorType

1

01 Device Descriptor

2

bcdUSB

2

0110 USB 1.1 compliant.

4

bDeviceClass

1

00

5 bDeviceSubClass 1

00

6

bDeviceProtocol

1

00

7 bMaxPacketSize0 1

08 Endpoint Zero Size = 8 bytes

8

idVendor

2 0D8C Vendor ID

10

idProduct

2

0104 Product ID

12

bcdDevice

2

0010 Device Release Number

Index of string descriptor describing

14

iManufacturer

1

01

manufacturer -> “C-Media INC.”

Index of string descriptor describing

15

iProduct

1

02

product -> "C-Media USB Audio

"

Index of string descriptor describing the

16

iSerialNumber

1

00

device’s serial number

17 bNumConfigurations 1

01 Configurations number = 1

Date: 09/25/2005

- 13 -

Version: 1.01

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