PAN3101 PAN3101 LOW COST CMOS OPTICAL MOUSE SENSOR General Description
The PAN3101 is a low cost CMOS process optical mouse sensor with DSP integration chip that serves as a nonmechanical motion estimation engine for implementing a computer mouse. Features Single 5.0 volt power supply Precise optical motion estimation technology Complete 2-D motion sensor No mechanical parts Optical Lens 1:1 18.432 MHz 21 inches/sec 400/800cpi 3000 frames/sec 10mA @Mouse moving (Normal) 5mA @Mouse not moving (Sleep) 100uA @Power down mode Staggered DIP8 Accurate motion estimation over a wide range of System Clock surfaces High speed motion detection up to 21 inches/sec High resolution up to 800cpi Register setting for low power dissipation Power saving mode during times of no movement Resolution Speed Power Supply Key Specification Wide operating supply range 4.25V~5.5V Frame Rate Serial Interface for programming and data Operating transfer Current I/O pin 5.0 volt tolerance Package Ordering Information Order number PAN3101DB I/O CMOS output Resolution 800 cpi All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 1 PixArt Imaging Inc. E-mail: [email protected] V1.0 MAR. 2005 PixArt Imaging Inc. PAN3101 CMOS Optical Mouse Sensor 1. Pin Description
Pin No. 1 2 3 4 5 6 7 8 Name OSCIN OSCOUT SDIO SCLK LED VSS VDD VREF Type IN OUT I/O IN OUT GND PWR BYPASS Definition Resonator input Resonator output Serial interface bi-direction data Serial interface clock LED control Chip ground Chip power, 5V power supply Voltage reference Pin Assign
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8 1 7 2 6 3 5 4 RB +Y 1 2 3 4 8 7 6 5 +X Figure 1. Top View Pinout Figure 2. Top View of Mouse All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. 2 V1.0 MAR. 2005 PixArt Imaging Inc. E-mail: [email protected] PixArt Imaging Inc. PAN3101 CMOS Optical Mouse Sensor 2. Block Diagram and Operation
POWER ON RESET VOLTAGE REGULATOR AND POWER CONTROL LED LED DRIVER CMOS IMAGE SENSOR VDD VSS 5V POWER SERIAL INTERFACE SCLK SDIO SERIAL INTERFACE DIGITAL SIGNAL PROCESSOR VREF VOLTAGE REFERENCE CONTROL REGISTER OSCILLATOR OSCIN OSCOUT RESONATOR Figure 3. Block diagram The PAN3101 is a low cost 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 surfa …
