參數(shù)資料
型號: AK5371AVQ
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 2ch A/D Converter with USB I/F
中文描述: 2通道的A / D轉(zhuǎn)換器的USB我/女
文件頁數(shù): 24/32頁
文件大?。?/td> 317K
代理商: AK5371AVQ
24
MS0103-E-00
MS0546-E-00
ASAHI KASEI
[AK5371A]
2007/02
4.5
Get Status
Offset
0
Field
bmRequestType
Size
1
Value
0x80
0x81
0x82
0x00
0x0000
0x0000
0x0000
0x0001
0x0000
0x0081
0x0002
Description
DEVICE
INTERFACE
ENDPOINT
GET_STATUS
ZERO
bmRequestType is DEVICE
bmRequestType is Audio Control Interface
bmRequestType is Audio Streaming Interface
bmRequestType is Audio Control Endpoint
bmRequestType is Audio Streaming Endpoint
1
2
4
bRequest
wValue
wIndex
1
2
2
6
The AKM USB MIC returns the following status.
a)
Device : 0x0000( AKM USB MIC is bus-powered device)
b)
Interface: 0x0000 (All Zero)
c)
Endpoint : 0x0000
wLength
2
4.6
Set Address
AKM USB MIC stores the wValue in the internal memory as Device Address. In addition to this, the device
returns ACK.
Offset
Field
Size
Value
Description
0
bmRequestType
1
0x00
Zero
1
bRequest
1
0x05
SET_ADDRESS
2
wValue
2
0xZZZZ
Device Address : ZZZZ is assigned by host
4
wIndex
2
0x0000
Zero
6
wLength
2
0x0000
Zero
4.7
Set Configuration
AKM USB MIC is placed to configured state only wValue of this request is 0x0001. In addition to this, the device
returns ACK.
Offset
Field
Size
Value
Description
0
bmRequestType
1
0x00
Zero
1
bRequest
1
0x09
SET_CONFIGURATION
2
wValue
2
0x0000
0x0001
others
Invalid
4
wIndex
2
0x0000
Zero
6
wLength
2
0x0000
Zero
Unconfigured State
AKM USB MIC is set to configured state
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