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
Byte
12
3A
00
09
32
09
00
09
00
07
05
19
95
75
A1
25
C0
08
Byte
01
09
01
02
Byte
10
10
Byte
01
25
Byte
00
00
Byte
00
01
Byte
00
01
Byte
08
02
Device Descriptor (18 bytes)
22
00
10
00
00
01
01
01
00
01
03
01
04
01
22
A0
02
Configuration Descriptor (9 bytes)
Interface Descriptor (9 bytes)
04
21
Human Interface Device Descriptor
(9 bytes)
Endpoint Descriptor (7 bytes)
3E
05
01
01
03
05
00
7F
09
95
81
09
29
75
81
09
75
38
01
03
02
03
01
03
30
08
15
81
04
A1
15
81
05
09
95
81
06
00
01
00
02
01
31
02
25
C0
0A
05
25
95
09
15
81
7F
09
01
01
01
81
06
75
Human Interface Device Report
Descriptor (62 bytes, 3D3B)
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
PixArt Imaging Inc.
6
E-mail: fae_service@pixart.com.tw
V0.2 Dec. 2006
PIXART [ PIXART IMAGING INC. ]
