AK5373 AKM [Asahi Kasei Microsystems], AK5373 Datasheet - Page 33

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

4.3.2 Class-specific Audio General Interface Descriptor
4.3.3 Type I Format Type Descriptor
4.3.4 Standard Endpoint Descriptor
4.3.5 Class-specific Isochronous Audio Data Endpoint Descriptor
MS1202-E-00
Offset
Offset
Offset
Offset
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
0
1
2
3
4
6
7
8
0
1
2
3
4
5
bLength
bDescriptorType
bDescriptorSubtype
bTerminalLink
bDelay
wFormatTag
bLength
bDescriptorType
bDescriptorSubtype
bFormatType
bNrChannels
bSubFrameSize
bBitResolution
bSamFreqType
tSamFreq[0]
bLength
bDescriptorType
bEndpointAddress
bmAttributes
wMaxPacketSize
bInterval
bRefresh
bSynchAddress
bLength
bDescriptorType
bDescriptorSubtype
bmAttributes
bLockDelayUnits
wLockDelay
Field
Field
Field
Field
Size
Size
Size
Size
1
1
1
1
1
2
1
1
1
1
1
1
1
1
3
1
1
1
1
2
1
1
1
1
1
1
1
1
2
0x07
0x24
0x01
0x02
0x01
0x0001
0x0B
0x24
0x02
0x01
0x01
0x02
0x10
0x01
0x00BB80
0x09
0x05
0x81
0x0D
0x0060
0x01
0x00
0x00
0x07
0x25
0x01
0x00
0x00
0x0000
Value
Value
Value
Value
- 33 -
Size of this descriptor in bytes
CS_INTERFACE descriptor
AS_GENERAL
Unit ID of terminal (Output Terminal ID)
Interface delay
PCM
Size of this descriptor in bytes
ENDPOINT descriptor
Endpoint 1, IN direction
Isochronous, synchronous, not shared
2byte*48sample*1ch=96 byte/frame
One packet every frame (Must be set to 1)
Size of this descriptor in bytes
CS_ENDPOINT
GENERAL
Unused
Size of this descriptor in bytes
CS_INTERFACE
FORMAT_TYPE
FORMAT_TYPE_I
One channel
Two bytes per slot
16 bits
One frequency
48000Hz
Description
Description
Description
Description
[AK5373]
2010/06