AK4571 Datasheet, PDF (31/54 Pages) Asahi Kasei Microsystems – USB I/F Audio CODEC

ASAHI KASEI
3.4.
Interface Descriptor #1
3.4.1. Standard Interface descriptor <Alternate Setting 0> (A/D Audio Streaming Data)
Zero Bandwidth
Offset Field
Size Value
Description
0 bLength
1 0x09
Length of this descriptor
1 bDescriptorType
2 bInterfaceNumber
1 0x04
1 0x01
INTERFACE descriptor
Index of this interface
3 bAlternateSetting
1 0x00
Index of this setting
4 bNumEndpoints
1 0x00
0 Endpoint
5 bInterfaceClass
6 bInterfaceSubclass
1 0x01
1 0x02
AUDIO
AUDIO_STREAMING
7 bInterfaceProtocol
1 0x00
Unused
8 iInterface
1 0x00
null string
[AK4571]
MS0153-J-02
- 31 -
2003/3