PixArt Imaging Inc.
ADBS-A350 Optical Finger Navigation
Speed_Ctrl
Access: Read/Write
Address: 0x63
Reset Value: 0x0E
7
6
5
4
3
2
1
0
Bit
SEL_XY
XY_scale2
XY_scale1
XY_scale0
SP_IntVal1
SP_IntVal0
Reserved
Reserved
Field
Data Type: Bit field
USAGE: This register is used to set several properties of the sensor.
Field Name
Description
Sel_XY
Select X or Y scale
0 = Enable X scale
1 = Enable Y scale
XY_scale 2:0
SPIntVal 1:0
Set scaling factor
0 = 0%
4 = 50%
1 = 12.5% 5 = 62.5%
2 = 25% 6 = 75%
3 = 37.5% 7 = 87.5%
Speed switching checking interval
0x00: 4 ms
0x01: 8 ms
0x02: 12 ms
0x03: 16 ms
Speed_ST12
Access: Read/Write
Address: 0x64
Reset Value: 0x08
7
6
5
4
3
2
1
0
Bit
ST
ST
ST
ST
ST
ST
ST
ST
Field
Data Type: Bit field
USAGE: This register is used to set several speed switching properties of the sensor.
Field Name
Description
ST 7:0
Sets resolution switching from step 1 to 2. Write in hexadecimal value.
Formula (in decimal) = Velocity (inch per second) * 8
Speed_ST21
Access: Read/Write
Address: 0x65
Reset Value: 0x06
7
6
5
4
3
2
1
0
Bit
ST
ST
ST
ST
ST
ST
ST
ST
Field
Data Type: Bit field
USAGE: This register is used to set several speed switching properties of the sensor.
Field Name
Description
ST 7:0
Sets resolution switching from step 2 to 1. Write in hexadecimal value.
Formula (in decimal) = Velocity (inch per second) * 8
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PIXART [ PIXART IMAGING INC. ]
