AK5373 AKM [Asahi Kasei Microsystems], AK5373 Datasheet - Page 30

• Manufacturer Part Number: AK5373
• Description: 24-bit Stereo ADC with USB Interface
• Manufacturer: AKM [Asahi Kasei Microsystems]

3.2 Class-specific Audio Control Interface Descriptor
3.3 Input Terminal Descriptor
3.4 Output Terminal Descriptor
3.5 Feature Unit Descriptor
MS1202-E-00
Offset
Offset
Offset
Offset
10
11
0
1
2
3
5
7
8
0
1
2
3
4
6
7
8
0
1
2
3
4
6
7
8
0
1
2
3
4
5
6
7
8
9
bLength
bDescriptorType
bDescriptorSubtype
bcdADC
wTotalLength
bInCollection
bInterfaceNr(1)
bLength
bDescriptorType
bDescriptorSubtype
bTerminalID
wTerminalType
bAssocTerminal
bNrChannels
wChannelConfig
iChannelNames
iTerminal
bLength
bDescriptorType
bDescriptorSubtype
bTerminalID
wTerminalType
bAssocTerminal
bSourceID
iTerminal
bLength
bDescriptorType
bDescriptorSubtype
bUnitID
bSourceID
bControlSize
bmaControls(0)
bmaControls(1)
bmaControls(2)
iFeature
Field
Field
Field
Field
Size
Size
Size
Size
1
1
1
2
2
1
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
0x09
0x24
0x01
0x0100
0x0028
0x01
0x01
0x0C
0x24
0x02
0x01
0x0201
0x02
0x02
0x0003
0x00
0x00
0x09
0x24
0x03
0x02
0x0101
0x01
0x03
0x00
0x0A
0x24
0x06
0x03
0x01
0x01
0x01
0x02
0x02
0x00
Value
Value
Value
Value
Size of this descriptor in bytes
CS_INTERFACE
HEADER subtype
1.0 – Audio Device Class specification release number in
Binary-Coded Decimal.
Total size of class-specific Audio Control Interface descriptors
(includes this descriptor)
Number of streaming interfaces
Streaming interface number 1 belongs to this audio control
interface.
- 30 -
Size of this descriptor in bytes
CS_INTERFACE
INPUT_TERMINAL subtype
ID of this terminal
Terminal is Microphone
ID of associated Output Terminal is 0x02
Two channels (Stereo)
Left/Right Front
Not used. Must be set to 0.
Not used. Must be set to 0.
Size of this descriptor in bytes
CS_INTERFACE
OUTPUT_TERMINAL subtype
ID of this terminal
USB Streamer
ID of associate Input Terminal is 0x01
From Feature Unit
Not used. Must be set to 0.
Size of this descriptor in bytes
CS_INTERFACE
FEATURE_UNIT descriptor subtype
ID of this feature Unit
ID to Terminal to which this is connected.
Size in bytes of an element of the bmaControl()
D0(Mute) is enable for ch 0
D1(Volume) is enable for ch 1 (Left)
D1(Volume) is enable for ch 2 (Right)
Not used. Must be set to 0.
Description
Description
Description
Description
[AK5373]
2010/06