ADNS-7700 Datasheet, PDF (52/60 Pages) AVAGO TECHNOLOGIES LIMITED – One chip USB LaserStream Mouse Sensors Single 5.0 volts power supply

ROTATION
Access: Read/Write
Address: 0xC0
Reset Value: 0x07
Type: OTP
Bit
7
6
5
4
3
2
1
0
Field
Reserved Reserved Reserved Reserved Reserved SWAP_XY INV_X
INV_Y
Data Type: Bit field
USAGE: This register can be used to re-orientate the sensor motion reporting direction. The SWAP_XY operation is always
performed before INV_X and INV_Y inversion operations.
Field Name
SWAP_XY
INV_X
INV_Y
Description
1 = Swap X and Y axis motion data report direction
1 = Invert X axis motion data report direction
1 = Invert Y axis motion data report direction
Rotation
0
90
180
270
SWAP
1
0
1
0
INV_X
1
0
0
1
INV_Y
1
1
0
0
0°
1
22
2
+X 21
3
20
4
19
5
+Y
18
6
17
7
16
8
15
9
14
10
13
11
12
BEFORE Rotation
90°
180°
+Y
+X
+Y
+X
0°
1
2
3
4
5 _+Y
6
7
8
9
10
11
22
+X
21
20
19
18
17
16
15
14
13
12
AFTER Rotation
Y direction of HID is always inverted from actual motion.
90°
180°
+X
+Y
+X
+Y
Figure 29. XY Motion Reporting Direction when Lens is attached on the Sensor
270°
+X
+Y
270°
+X
+Y
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