ASAHI KASEI
[AK4571]
3.6.
Interface #3 （HID Class）
Standard Interface Descriptor
3.6.1.
Offset
Field
bLength
Size
1
1
1
1
1
1
1
1
Value
0x09
0x04
0x03
0x00
0x01
0x03
0x00
0x00
0x00
Description
0
1
2
3
4
5
6
7
8
Size of this descriptor
INTERFACE descriptor
Index of this interface
Index of this setting
endpoint 1
bDescriptorType
bInterfaceNumber
bAlternateSetting
bNumEndpoints
bInterfaceClass
bInterfaceSubclass
bInterfaceProtocol
iInterface
HID
Non-Boot Device
Unused
null string
1
3.6.2.
HID Descriptor
Offset
Field
bLength
bDescriptorType
bcdHID
bCoundtryCode
bNumDescriptor
Size
Value
0x09
0x21
0x0110
0x00
0x01
Description
Size of this descriptor
HID
0
1
2
4
5
1
1
2
1
1
HID spec rev #1.10
6
7
bDescriptorType
bDescriptorLength
1
2
0x22
0x001f
Report Descriptor
31 bytes
3.6.3.
Endpoint Descriptor
Offset
Field
bLength
Size
Value
0x07
0x05
0x83
0x03
0x0001
0x40
Description
0
1
2
3
4
6
1
1
1
1
2
1
Length of this descriptor
ENDPOINT descriptor
Endpoint 3, IN direction
Interrupt
bDescriptorType
bendpointAddress
bmAttributes
wMaxPacketSize
wInterval
64ms Interval
MS0153-J-02
2003/3
- 36 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
