PixArt Imaging Inc.
ADNS-7550 Integrated Molded Lead-Frame DIP Sensor
Registers
The ADNS-7550 registers are accessible via the serial port. The registers are used to read motion data and status as
well as to set the device configuration.
Address
0x00
Register
Read/Write
Default Value
0x32
0x03
0x00
0x00
0x00
0x00
0x00
0x00
0x64
0xd0
0x80
0x00
0x00
0x00
0x00
0x00
NA
Product_ID
Revision_ID
Motion
R
0x01
R
0x02
R/W
R
0x03
Delta_X_L
0x04
Delta_Y_L
R
0x05
Delta_XY_H
SQUAL
R
0x06
R
0x07
Shutter_Upper
Shutter_Lower
Maximum_Pixel
Pixel_Sum
R
0x08
R
0x09
R
0x0a
R
0x0b
0x0c
Minimum_Pixel
CRC0
R
R
0x0d
0x0e
CRC1
R
CRC2
R
0x0f
CRC3
R
0x10
Self_Test
W
0x11
Reserved
0x12
Configuration2_Bits
Reserved
R/W
R/W
0x28
0x00
0x13-0x19
0x1a
LASER_CTRL0
Reserved
0x1b
0x1c
LSRPWR_CFG0
LSRPWR_CFG1
Reserved
R/W
R/W
0x00
0x00
0x1d
0x1e
0x1f
LASER_CTRL1
Reserved
R/W
R/W
0x00
0x00
0x20-0x2d
0x2e
Observation
Reserved
0x2f-0x34
0x35
Pixel_Grab
H_RESOLUTION
Reserved
R/W
R/W
0x00
0x04
0x36
0x37-0x39
0x3a
POWER_UP_RESET
Shutdown
W
W
NA
NA
0x3b
0x3c
Reserved
0x3d
0x3e
Shut_thr
R/W
R
0x56
0xfc
Inverse_Revision_ID
Inverse_Product_ID
Motion_Burst
0x3f
R
0xcd
0x00
0x42
R
18
PIXART [ PIXART IMAGING INC. ]
