PAW3212DB-TJDT Datasheet, PDF (28/31 Pages) Pixart Imaging Inc. – ULTRA LOW POWER WIRELESS MOUSE SENSOR

PAW3212DB-TJDT
Shutter
Access: Read Only
Bit
7
Field
Reserved
6
Reserved
5
Reserved
Address: 0x14
Default Value: NA
4
3
Shutter4
Shutter3
2
Shutter2
1
Shutter1
0
Shutter0
Data Type: Five-bit number.
Usage:
Shutter register is an index of LED shutter time. It is automatically controlled by the sensor’s internal auto-exposure algorithm.
Value ranges from 0 ~ 28. Shutter time is approximately to (Shutter + 1) x 7.1us
Frame_Avg
Address: 0x17
Access: Read Only
Default Value: NA
Bit
7
6
5
4
3
2
1
0
Field
FA7
FA6
FA5
FA4
FA3
FA2
FA1
FA0
Data Type: Eight-bit number.
Usage:
Frame_Avg register represent s the average brightness of all pixels within a frame (324 pixels). This value ranges from 0 to
255.
Mouse_Option
Access: Read/Write
Bit
7
Field
Reserved
6
Reserved
5
Movxy_SW
Address: 0x19
Default Value: 0x00
4
3
Movy_Inv Movx_Inv
2
XY12bit_Enh
1
Reserved
Data Type: Bit field.
Usage: To select the mouse X/Y direction and Delta_X, Delta_Y motion data length (8-bit or 12-bit).
LB
RB
LB
RB
LB
RB
LB
RB
0
Reserved
8
1
7
2
6
3
5
4
0x19[5:3] = 0
Field Name
Movxy_Sw
Movy_Inv
Movx_Inv
XY12bit_Enh
0x19[5:3] = 6
0x19[5:3] = 5
0x19[5:3] = 3
Description
To swap the XY direction. Default is 0.
To invert the Y direction. Default is 0.
To invert the X direction. Default is 0.
To select 8-bit or 12-bit motion data length. Default is 0 (8-bit mode)
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PixArt Imaging Confidential
PAW3212DB-TJDT-DS-R1.2-19112014
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