adns-4700 Avago Technologies, adns-4700 Datasheet - Page 38

• Manufacturer Part Number: adns-4700
• Description: Single Chip Usb Optical Mouse Sensor
• Manufacturer: Avago Technologies

DPI
Access: Read/Write
Data Type: Bit fi eld.
USAGE: These registers are used to customize the device’s DPI.
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Note: Sensor orientation setting by changing bit 6,5 and 4. The SwapXY operation is always performed before
INV_X and INV_Y inversion operations.
Field Name
SwapXY
INV_X
INV_Y
DPI
Rotation
Bit[6:4]
Motion
Reporting
Direction
Field Reserved
Bit 7
Address: 0xE0
Reset Value: 0x54
+Y
101
0°
+X
Description
To swap x and y
0 = no swap
1 = swap
To invert x direction
0 = not inverted
1 = inverted
To invert y direction
0 = not inverted
1 = inverted
Device status
010 = 500 dpi
011 = 750 dpi
100 = 1000 dpi (default)
101 = 1250 dpi
6
SwapXY
5
INV_X
+Y
+X
000
90°
4
INV_Y
Type: OTP
3
Reserved
+Y
180°
110
+X
2
DPI
2
1
DPI
+Y
1
+X
270°
011
0
DPI
0