PMT9123QS-TVIT Datasheet, PDF (15/15 Pages) Pixart Imaging Inc. – Low Power Right Angle Optical Track Sensor

PixArt Imaging Inc.
PMT9123 Product Datasheet
Right Angle Optical Track Sensor
Registers
8.1 Registers List
PMT9123 registers are accessible via the serial port. The registers are used to read motion data and status as well as to set
the device configuration.
Table 7. Register List
Page Address Register Name
35
0x00 Product_ID
35
0x01 Revision_ID
41
0x02 Motion
42
0x03 Delta_X_L
42
0x04 Delta_Y_L
43
0x05 Delta_XY_H
44
0x06 SQUAL
44
0x07 Shutter_Upper
44
0x08 Shutter_Lower
45
0x09 Pix_Max
45
0x0A Pix_Avg
45
0x0B Pix_Min
37
0x11 Performance
39
0x14 Run_Downshift
Access
RO
RO
R/W
RO
RO
RO
RO
RO
RO
RO
RO
RO
R/W
R/W
Reset
0x41
0x01
0x00
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0x00
0x02
Page
39
39
39
40
40
46
46
47
36
36
37
38
38
Address
0x15
0x16
0x17
0x18
0x19
0x1D
0x24
0x25
0x3A
0x3B
0x41
0x48
0x4D
Register Name
Rest1_Rate
Rest1_Downshift
Rest2_Rate
Rest2_Downshift
Rest3_Rate
Observation
Frame_Capture1
Frame_Capture2
Power_Up_Reset
Shutdown
Enable_Register_Write
Resolution_Step
Orientation
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
WO
WO
WO
R/W
R/W
Reset
0x04
0x10
0x0A
0x2F
0x05
0x1F
0x00
0x4F
N/A
N/A
N/A
0x0B
0x7A
8.2 Performance Optimization Registers
Upon power-up of PMT9123, there are a few sets of registers to configure in order to achieve optimum performance of the
sensor. These registers are PixArt proprietary information, thus no additional information is provided in this datasheet with
regards to these register’s descriptions.
Table 8. Performance Optimization Registers
Address
Value
Tracking performance optimization
0x11
0x0C
0x14
0x04
0x25
0x0F
0x27
0xAA
0x34
0x80
0x35
0x03
0x39
0x89
0x4D
0x79
0x53
0x96
0x58
0x66
0x5D
0x56
Version 1.02 |12 Jul 2016 | 21001EN
PixArt Imaging Inc. http://www.pixart.com
All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission.
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