PixArt Imaging Inc.
PAW3502
USB Optical Mouse Sensor Single Chip
5. USB Interface
5.1 USB Command Set Description
(USB
Descriptor)
The USB HOST detects USB mouse device plug-in and assigns a new unique address to the USB mouse device,
then asking USB mouse device for information about the device description, configuration description, and
assigning a configuration value for USB mouse device during enumeration period. After enumeration, the USB
mouse device is able to transfer motion and button value to the USB host.
Descriptor Type
Device Descriptor (18 bytes)
Configuration Descriptor (9 bytes)
Interface Descriptor (9 bytes)
Human Interface Device Descriptor
(9 bytes)
Endpoint Descriptor (7 bytes)
Byte
12
3A
00
09
32
09
00
09
00
07
05
19
95
75
A1
25
C0
08
Byte
01
09
01
02
04
21
05
01
01
03
05
00
7F
09
95
Byte
10
10
22
00
10
81
09
29
75
81
09
75
38
01
Byte
01
25
00
00
01
03
02
03
01
03
30
08
15
81
Byte
00
00
01
01
00
04
A1
15
81
05
09
95
81
06
Byte
00
01
01
03
01
00
01
00
02
01
31
02
25
C0
Byte
00
01
04
01
22
0A
05
25
95
09
15
81
7F
Byte
08
02
A0
02
3E
Human Interface Device Report
Descriptor (62 bytes, 3D3B)
09
01
01
01
81
06
75
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6
V0.2 Dec. 2006
PixArt Imaging Inc.
E-mail:
fae_service@pixart.com.tw
PIXART [ PIXART IMAGING INC. ]
