CM103+ C-Media Electronics, Inc., CM103+ Datasheet - Page 17

• Manufacturer Part Number: CM103+
• Description: 16-Bit Stereo USB Audio Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 09/25/2005
Offset
Offset
4
5
6
7
8
0
1
2
4
5
6
7
0
1
2
3
4
6
HID Descriptor
Interrupt IN Endpoint Descriptor
bInterfaceSubClass
wDescriptorLength
bEndpointAddress
bInterfaceProtocol
bNumDescriptors
wMaxPacketSize
bDescriptorType
bDescriptorType
bDescriptorType
bNumEndpoints
bInterfaceClass
bCountryCode
bmAttributes
iInterface
bInterval
bLength
bLength
bcdHID
Field
Field
Size
Size
USB Stereo Audio Chip for Digital Speakers Application
1
1
2
1
1
1
2
1
1
1
1
2
1
1
1
1
1
1
Value (Hex)
Value (Hex)
002A
0100
0003
09
21
00
01
22
07
05
81
03
04
01
03
00
00
00
- 17 -
Total 9 Bytes
HID Descriptor Type
HID class version 1.00
Report Descriptor
Numeric expression that is the
total size of the optional descriptor
Total 7 Bytes
ENDPOINT Descriptor Type
IN Endpoint
Endpoint number = 3
Interrupt endpoint type
Maximum packet size: 4 bytes
Interrupt Interval: 4ms
Number of endpoints used by this
Interface: 1
HID Interface Class
No Subclass
Must be set to 0
Index of a string descriptor that
describes this interface.
Description
Description
Version: 1.01
CM103+