PAW3204 Datasheet, PDF (11/27 Pages) Pixart Imaging Inc. – LOW COST WIRELESS MOUSE SENSOR

PixArt Imaging Inc.
PAW3204DB
Wireless Optical Mouse Sensor
0x0D
Bit
Field
Usage
Image_ Threshold
7
6
5
4
3
2
1
0
Imgqa_th[7:0]
Image_ Threshold register allows the user to set image threshold. The mouse sensor calculates data to
Delta_X and Delta_Y registers when image quality (please see Image_Quality register) is larger than
image threshold.
Notes Field Name Description
Imgqa_th[7:0]
Image threshold: 0 (High recognition rate) ~ 255 (Low recognition rate). The
minimum level for normally working is 10. Default is 00001010.
0x0E
Image_Recognition
Bit
7
6
5
4
3
2
1
0
Field
pk_wt[2:0]
0
Imgqa_df[3:0]
Usage Image_Recognition register allows the user to set recognition rate.
Notes Field Name Description
pk_wt[2:0]
Bit 4
Imgqa_df[3:0]
Peak threshold weighting: 0 (Low recognition rate) ~ 7 (High recognition rate).
Default is 111.
MUST always be 0
Image qualification threshold difference: 0 (High recognition rate) ~ 15 (Low
recognition rate). Default is 1001.
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PixArt Imaging Inc.
E-mail: [e-mail]
11
V3.0, Apr. 2008