PAT9125EL Product Datasheet
Optical Tracking Miniature Chip
PixArt Imaging Inc.
Registers List
Address Register Name
Access Reset Brief Description
0x00
0x01
0x02
Product_ID1
Product_ID2
Motion_Status
RO
RO
RO
0x31 Product Identifier [11:4]
Upper 4 bits for Product Identifier, PID [3:0]
Lower 4 bits for Product Version, VID [3:0]
0x91
-
Motion Status information
8-bit 2’s complement number for X-movement data in 8-bit
movement data format
X-movement = Delta_X_Lo[7:0]
8-bit 2’s complement number for Y-movement data in 8-bit
movement data format
0x03
0x04
Delta_X_Lo
Delta_Y_Lo
RO
RO
-
-
Y-movement = Delta_Y_Lo[7:0]
0x05
0x06
0x09
0x0A
0x0B
0x0D
0x0E
Operation_Mode
Configuration
Write_Protect
Sleep1
Sleep2
RES_X
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0xA0 Operation mode selection
0x17 Software power down and reset
0x00 Write Protect to avoid missed-writing registers
0x77 Sleep1 configuration
0x10 Sleep2 configuration
0x14 CPI resolution setting for X axis
0x14 CPI resolution setting for Y axis
High nibble of X-movement and Y-movement for 12-bit 2’s
RES_Y
complement data format.
X-movement = {Delta_XY_Hi[7:4], Delta_X_Lo[7:0]}
0x12
Delta_XY_Hi
RO
-
Y-movement = {Delta_XY_Hi[3:0], Delta_Y_Lo[7:0]}
0x14
0x17
0x19
Shutter
Frame_Avg
Orientation
RO
RO
R/W
-
-
Index of LASER shutter time
Average brightness of a frame
0x04 Chip orientation selection
Version 1.2 | 31 May 2017 | 21002AEN
PixArt Imaging Inc. http://www.pixart.com
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PIXART [ PIXART IMAGING INC. ]
