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PAN3201DH Datasheet(PDF) 3 Page - Pixart Imaging Inc.

Part No. PAN3201DH
Description  LOW POWER CMOS OPTICAL MOUSE SENSOR
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Maker  PIXART [Pixart Imaging Inc.]
Homepage  http://www.pixart.com.tw
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PAN3201DH Datasheet(HTML) 3 Page - Pixart Imaging Inc.

 
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PixArt Imaging Inc.
PAN3201DH
CMOS Optical Mouse Sensor
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission
.
3
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V1.0, Mar. 2006
2. Block Diagram and Operation
DIGITAL
SIGNAL
PROCESSOR
POWER ON
RESET
SERIAL
INTERFACE
LED
DRIVER
CONTROL
REGISTER
SCLK
SDIO
OSCILLATOR
YA
YB
XA
XB
LED
VREF
PD
VDD
VSSD
OSCIN
OSCOUT
SERIAL
INTERFACE
QUADRATURE
OUTPUT
RESONATOR
1.8V
POWER
VSS_LED
VSSA
VDDD
VDDA
CMOS IMAGE
SENSOR
Figure3. Block diagram
The PAN3201DH is a high performance and low power CMOS-process optical mouse sensor with DSP
integration chip that serves as a non-mechanical motion estimation engine for implementing a computer mouse.
It is based on new optical navigation technology, which measures changes in position by optically acquiring
sequential surface images (frames) and mathematically determining the direction and magnitude of movement.
The sensor is in a 20pin optical package. The output format is two-channel quadrature (X and Y direction),
which emulates encoder phototransistors. The current X and Y information are also available in registers
accessed via a serial port.


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