AK4571 Datasheet, PDF (27/54 Pages) Asahi Kasei Microsystems – USB I/F Audio CODEC

ASAHI KASEI
3.3.3. Terminal Descriptor(ID=3)
D/A Input Terminal
Offset Field
0 Blength
Size Value
1 0x0C
1 BDescriptorType
1 0x24
2 bDescriptorSubtype 1 0x02
3 BterminalID
1 0x03
4 WterminalType
2 0x0101
6 BassocTerminal
1 0x04
7 BnrChannels
1 0x02
8 WChannelConfig
2 0x0003
10 IchannelNames
1 0x00
11 Iterminal
1 0x00
3.3.4. Terminal Descriptor(ID=4)
Lineout Terminal
Offset Field
Size
0 Blength
1
1 BdescriptorType
1
2 bdescriptorSubtype 1
3 BterminalID
1
4 WterminalType
2
6 BassocTerminal
1
7 BsourceID
1
8 Iterminal
1
Value
0x09
0x24
0x03
0x0 4
0x030 1
0x0 3
0x0 8
0x00
[AK4571]
Description
Size of this descriptor
CS_INTERFACE
INPUT_TERMINAL subtype
ID of this terminal
Terminal is USB streaming OUT
Associated with Output Terminal is 0x04
Two channel
Left/Right Front
Unused
Unused
Description
Size of this descriptor
CS_INTERFACE
OUTPUT_TERMINAL subtype
ID of this terminal
Terminal is Speaker
Associate with Input Terminal 0x03
From Feature Unit (ID8)
Unused
MS0153-J-02
- 27 -
2003/3