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AN-4029 [7/78]
3-2-2.
USB
ディスクリプタ仕様
USB DESCRIPTOR SPECIFICATION.
Standard Device Descriptor
Table-10
Offset
Field
Description
Size[byte]
Value
Comment
0
bLength
Size of descriptor in bytes
1
12H
1
bDescriptorType
DEVICE Descriptor Type
1
01H
2
bcdUSB
USB Release Number in BCD
2
0200H
Rev.2.0
4
bDeviceClass
Class code
1
00H
5
bDeviceSubClass
Subclass code
1
00H
6
bDeviceProtocol
Protocol code
1
00H
7
bMaxPacketSize
Maximum packet size for endpoint
zero
1
40H
64 bytes
8
idVendor
Vendor ID
2
1008H
FUTABA
10
idProduct
Product ID
2
1026H
GP1288A02
12
bcdDevice
Device release number in BCD
2
0400H
Rev.4.00
14
iManufacturer
Indexof string descriptor
describing manufacturer
1
01H
15
iProduct
Index of string descriptor
describing product
1
02H
16
iSerialNumber
Index of string descriptor
describing the device's serial
number
1
00H
17
bNumConfigurations
Number of possible configurations
1
01H
Summary of Contents for AH145AA
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