ASAHI KASEI
[AK4571]
3.3.10. Mixer Unit Desciptor(ID=9)
Mixer Unit （D/A and Microphone）
Offset
Field
Size
Value
Description
0
blength
1
0x0D
Size of this descriptor
1
2
3
4
5
6
7
bdescriptorType
bdescriptorSubtype
bunitID
1
1
1
1
1
1
1
0x24
0x04
0x09
0x02
0x06
0x03
0x02
CS_INTERFACE
MIXER_UNIT subtype
ID of this terminal
Number of Input Pin
From Feature Unit 2(ID6)
From IT(ID3)
bnrInPins
baSourceID(1)
baSourceID(2)
bnrChannels
Number of logical output channels in the
Mixer’s output audio channel cluster
8
wChannnelConfig
2
0x000 3
describes the spatial location L/R front
10
11
iChannelNames
bmControl
1
1
0x00
0x00
Index of String descriptor
bit map no control
12
Imixer
1
0x00
Index of String descriptor
3.3.11. Selector Unit Desciptor(ID=7)
Offset
Field
blength
bdescriptorType
bdescriptorSubtype
Size
Value
0x07
0x24
0x05
Description
Size of this descriptor
CS_INTERFACE
0
1
2
1
1
1
Selector_UNIT descriptor subtype
3
4
5
6
bunitID
1
1
1
1
0x07
0x01
0x01
0x00
ID of this feature Unit
Inputs Pins
From Input Terminal
Unused
bNrInPins
bSourceID(1)
IFeature
MS0153-J-02
2003/3
- 30 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
