參數(shù)資料
型號(hào): LZ85194
廠商: Sharp Corporation
英文描述: IrDA Control Peripheral Engine(IrDA 控制外圍處理器)
中文描述: 紅外線控制周邊引擎(紅外線控制外圍處理器)
文件頁數(shù): 42/76頁
文件大?。?/td> 256K
代理商: LZ85194
LZ85194
36
IrDA Control Peripheral Engine User
s Guide
Keyboard
Table 25. Keyboard Device Descriptor
OFFSET
FIELD
SIZE
VALUE
SAMPLE
VALUE
DESCRIPTION
0
1
bLength
bDescriptorType
1
1
Number
Constant
12
01
Size of this descriptor in bytes
DEVICE Descriptor Type
USB Specification release Number in Bi-
nary-Coded Decimal
Class code (assigned by the USB)
Subclass code (assigned by the USB)
Protocol code (assigned by the USB)
Maximum packet size for Endpoint zero
Vendor ID (assigned by the USB)
Product ID (assigned by the manufacturer)
Device release number in binary-coded
decimal
Index of string descriptor describing
manufacturer
Index of string descriptor describing product
Index of string descriptor describing the
device's serial number
Number of possible configurations
2
bcdUSB
2
BCD
0100
4
5
6
7
8
bDeviceClass
bDeviceSubClass
bDeviceProduct
bMaxPacketSize0
idVendor
idProduct
1
1
1
1
2
2
Class
SubClass
Protocol
Number
ID
ID
00
00
00
08
04DD
1234
10
12
bcdDevice
2
BCD
0100
14
iManufacturer
1
Index
00
15
iProduct
1
Index
00
16
iSerialNumber
1
Index
00
17
bNumConfigurations
1
Number
01
Table 26. Keyboard Configuration Descriptor
OFFSET
FIELD
SIZE
VALUE
SAMPLE
VALUE
DESCRIPTION
0
1
bLength
bDescriptorType
1
1
Number
Constant
09
02
Size of this descriptor in bytes
Configuration Descriptor Type
CONFIGURATION descriptor length +
Report descriptor length
Number of interfaces supported by this
configuration
Value to use as an argument to the
SetConfiguration() request to select this
configuration
Index of string descriptor describing this
configuration
Configuration characteristics (see USB
Specification)
Maximum power consumption of USB de-
vice from the bus in this specific configura-
tion when the device is fully operational
2
wTotalLength
2
Number
0048
4
bNuminterfaces
1
Number
01
5
bConfigurationValue
1
Number
01
6
iConfiguration
1
Index
00
7
bmAttributes
1
Bitmap
60
8
MaxPower
1
mA
01
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