參數(shù)資料
型號(hào): AK5371
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 2CH A/D CONVERTER WITH USB I/F
中文描述: 2聲道的A / D轉(zhuǎn)換器的USB我/女
文件頁數(shù): 24/32頁
文件大小: 256K
代理商: AK5371
24
MS0103-E-00
MS0103-E-00
ASAHI KASEI
[AK 5371]
2001/06
4.5
Get Status
Offset
0
F ield
bmRequestType
Size
1
Value
0x80
0x81
0x82
0x00
0x0000
Description
DEVICE
INTERFACE
ENDPOINT
GET_STATUS
ZERO
1
2
4
6
bRequest
wValue
wIndex
wLength
1
2
2
2
0x0002
The AKM USB MIC returns the following status.
a)
Device : 0x00 ( AKM USB MIC is bus-powered device)
b)
Interface: 0x00 (All Zero)
c)
Endpoint : 0x00
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
F ield
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
F ield
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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