ASAHI KASEI
[AK4571]
3.3.5.
Terminal Descriptor(ID=1)
Analog Microphone Input Terminal
Offset
Field
Blength
bDescriptorType
bDescriptorSubtype
BterminalID
WTerminalType
Size
Value
0x0C
0x24
0x02
0x01
Description
Size of this descriptor
CS_INTERFACE
INPUT_TERMINAL subtype
ID of this terminal
Terminal is Microphone
0
1
2
3
4
1
1
1
1
2
0x0201
6
7
8
10
11
BAssocTerminal
BNrChannels
WChannelConfig
IChannelNames
Iterminal
1
1
2
1
1
0x02
0x01
0x000 0
0x00
0x00
Associated with Output Terminal 0x02
One channel
Mono sets no position bit
Unused
Unused
3.3.6.
Terminal Descriptor (ID=2)
A/D Output Terminal
Offset
Field
Blength
BdescriptorType
bdescriptorSubtype
BterminalID
Size
Value
0x09
0x24
0x03
0x02
Description
Size of this descriptor
CS_INTERFACE
OUTPUT_TERMINAL subtype
ID of this terminal
0
1
2
3
1
1
1
1
4
6
7
8
WterminalType
BassocTerminal
BsourceID
2
1
1
1
0x0101
0x01
0x05
Terminal is USB streaming
Associate with Input Terminal is 0x01
From Feature Unit (ID5)
Unused
Iterminal
0x00
MS0153-J-02
2003/3
- 28 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
