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low power hear t rate monitor 1 pixart imaging inc. pmw3260db product datasheet ultra low power led optical mouse sensor version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without per mission. pmw3260db - tpou : ultra low power led optical mouse sensor general description the pixart imaging pmw3260db - tpou is a low power, small form factor optical mouse sensor. it has a new low - power architecture and automatic power management modes, making it ideal for battery, power\ sensitive applications such as cordless input devices. the pmw3260db - tpou along with the lm31 - lng lens, led clip and hsdl - 4261 ir led form a complete and compact mouse tracking system. there are no moving parts and this translates to high reliability and less maintenance for the end user. in addition , precision optical alignment is not required, facilitating high volume assembly. key features ? small form factor molded lead frame 8 - pin pdip package ? single lo w operating voltage: 1.70 C 2.00 v ? 12 - bits motion data registers ? high speed motion detection 30ips and acceleration 10g ? motion detect pin output ? internal oscillator C no clock input needed ? 3 - wire spi communication ? enhanced programmability ? resolution up to 2000cpi ? downshift and wake up time ? sensor orientation applications ? wireless optical mouse ? t rackball application key parameters parameter value supply voltage (v) vdd: 1.70 C 2.00 v interface 3 - wire spi max clock speed: 2 mhz supply current (a) (average) run avg : 335 a rest1 : 30 a rest2 : 15 a rest3 : 5a resolution (cpi) up to 2000 cpi tracking speed (ips) 30 ips acceleration (g) 10 g package type 8l pdip package dimension (mm) 9.90 x 12.85 x 6.15 ordering information part number package type pmw3260db - tpou 8 - pin dip package lm31 - lng trim lens for any additional inquiries, please contact us at http://www.pixart.com/contact.asp
low power hear t rate monitor 2 pixart imaging inc. pmw3260db product datasheet ultra low power led optical mouse sensor version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without per mission. introduction 1.1 overview pmw3260db - tpou is based on optical navigation technology, which measures changes in position by optically acquiring sequential surface images (frames) and m athematically determining the direction and magnitude of movement. pmw3260db - tpou contains an image acquisition system (ias), a digital signal processor (dsp), and a four wire serial port. the ias acquires microscopic surface images via the lens and illumi nation system. these images are processed by the dsp to determine the direction and distance of motion. the dsp calculates the x and y relative displacement values. an external microcontroller reads and translates the x and y information from the senso r serial port into ps2, usb, or rf signals before sending them to the host pc. note: through out this document pmw3260db - tpou is referred to as the sensor . figure 1 . functional block diagram 1.2 terminology term description dsp digital signal processing led light emitting diode ncs nen chip select vreg internal regulator output vdd supply voltage sclk serial clock sdio serial data in & out spi serial peripheral interface gnd ground image array dsp led driver oscillator optical mouse sensor power and control serial communication xy_led sdio sclk ncs motion gnd vdd v reg
3 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. 1.3 pins description figure 2 . pin configuration table 1 . pmw3260db pins description pin no. name type description 1 sclk input serial clock input 2 vdd power input power supply 3 vreg power regulator output for internal sensor usage only 4 sdio in/out bi - directional i/o for spi 5 xyled in led control 6 gnd gnd ground 7 ncs input spi chip select for 3 - wire spi (active low) 8 motion output motion detect output (active low)
4 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. operating specifications 2.1 absolute maximum ratings stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. these are the stress ratings only and functional operation of the device at these or any other condition beyond those ind icated for extended period of time may affect device reliability. table 2 . absolute maximum ratings parameters symbol min. max. unit notes storage temperature t s - 40 85 c lead solder temperature t solder 260 c for 10 seconds, 1.6mm below seating plane supply voltage v dd - 0.5 2.05 v including v na of 100 mv pp esd esd hbm 2 k v all pins, human body model mil 883 method 3015 input voltage v in - 0.5 vdd +0.5 v all digital pins output latch up current ma 200 all digital pins notes: 1. stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. these are the s tress ratings only and functional operation of the device at these or any other condition beyond those indicated for extende d period of time may affect device reliability. 2. the maximum ratings do not reflect eye - safe operation. 3. the inherent design of this component causes it to be sensitive to electrostatic discharge. the esd threshold is listed above . to prevent esd induced da mage, take adequate esd precautions when handling this product 2.2 recommended operating conditions table 3 . recommended operating conditions description symbol min. typ. max. unit notes operating temperature t a 0 4 0 c power supply voltage v dd 1.70 1.8 2. 0 0 v including v na of 100 mv pp power supply rise time t rt 0.15 20 ms 0 to vdd supply noise (sinusoidal) v na 100 mv p - p 10khz C 50mhz serial port clock frequency f sclk 2 mhz active drive, 50% duty cycle distance from lens reference plane to tracking surface z 2.2 0 2.4 0 2.6 0 mm results in +/ - 0.2 mm minimum dof. speed s 30 ips acceleration a 10 g load capacitance c out 100 pf sdio and motion note: pixart does not guarantee the sensor performance if the operating temperature is beyond the specified limit . 2.3 thermal specifications table 4 . thermal specifications parameters symbol min. typ. max. unit notes storage temperature t s - 25 - 80 c lead - free solder temperature t p - - 260 c for 10 seconds, 1.6mm below seating plane
5 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. 2.4 dc characteristics table 5 . dc electrical specifications parameters symbol min. typ. max. unit condition s dc supply current in various modes i dd_run i dd _rest1 i dd _rest2 i dd _rest3 0.335 30 15 5 ma a a a average current, including led current. no load on sdio shutdown supply current i pd 3 a input low voltage v il 0. 2 * v dd v sclk, sdio input high voltage v ih 0. 8 * v dd v sclk , sdio input hysteresis v i_hys 100 mv sclk, sdio input leakage current i leak 1 10 a v in = 0.7* v dd , sclk, sdio output low voltage , sdio,motion v ol 0. 2*vdd v i out = 1ma, sdio , motion output low voltage , sdio,motion v oh 0. 8 * v dd v i out = - 1ma, sdi o, motion input capacitance c in 10 pf sclk, sdio note: all electrical parameters are tested under recommended operating conditions. typical values at 25 c, vdd=1.8v 2.5 ac characteristics table 6 . ac electrical specifications parameters symbol min. typ. max. unit condition s motion delay after reset t mot - rst 3.5 ms from sw_reset register write to valid motion, assuming motion is present shutdown t stdwn 50 ms from shutdown mode active to low current wake from shutdown t wakeup 16 23 ms from shutdown mode inactive to valid motion. notes: a reset must be asserted after a shutdown. refer to section notes on shutdown, also note t mot - rst. sdio output rise time t r - sdio output 40 200 ns c l = 100pf sdio output fall time t f - sdio output 40 200 ns c l = 100pf sdio output delay after sclk t dly - sdio output 120 ns from sclk falling edge to sdio output data valid, no load conditions sdio output hold time t hold - sdio output 250 ns data held until next falling sclk edge sdio input hold time t hold - sdio input 200 ns amount of time data is valid after sclk rising edge sdio input setup time t setup - sdio input 120 ns from data valid to sclk rising edge spi time between write commands t sww 30 s from rising sclk for last bit of the first data byte, to rising
6 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. parameters symbol min. typ. max. unit condition s sclk for last bit of the second data byte. spi time between write and read commands t swr 20 s from rising sclk for last bit of the 1st data byte, to rising sclk for last bit of the second address byte spi time between read and subsequent commands t srw t srr 250 n s from rising sclk for last bit of the 1st data byte, to falling sclk for the 1st bit of data being read. spi read address - data delay t srad 4 s from rising sclk for last bit of the address byte, to falling sclk for the 1st bit of data being read. ncs inactive after motion burst t bexit 250 ns minimum ncs inactive time after motion burst before next spi usage ncs to sclk active t ncs - sclk 120 ns from last ncs falling edge to 1st sck rising edge. sclk to ncs inactive sdio write t sclk - ncs write 10 ns from last sclk falling edge to ncs rising edge, for valid sdio data transfer sclk to ncs inactive sdio read t sclk - ncs read 120 s from last sclk falling edge to ncs rising edge, for valid sdio data transfer ncs to sdio high - z t ncs - sdio 250 ns from ncs rising edge to sdio high - z state motion rise time t r - motion 40 200 ns c l = 100pf motion fall time t f - motion 40 200 ns c l = 100pf transient supply current iddt 60 ma max supply current during a vdd ramp from 0 to 1.8v note : all the parameters are tested under recommended operating conditions. typical values at 25 c & vdd=1.8v
7 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. mechanical specifications 3.1 mechanical dimension table 7 . package dimensions parameters nominal min. max. unit package body dimension x 9.90 9.80 10.00 mm package body dimension y 9.10 9.00 9.20 mm package width (inclusive pins) 12.85 12.35 13.35 mm lead length 5.15 5.05 5.25 m m lead pitch 2.00 1. 85 2 .15 m m total lead count 8 - - - lead offset 1.00 - - mm lead width 0.50 0.40 0.60 mm hole diameter 0.70 0.65 0.75 mm center of hole from edge of body x 4.55 4.45 4.65 mm center of hole from edge of body y 3.92 3.82 4.02 mm figure 3 . package drawing outline
8 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. 3.2 assembly drawings figure 4 . recommended sensor orientation, mechanical cutouts & spacing ( top view) figure 5 . distance from lens reference plane to surface
9 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. figure 6 . 2d assembly
10 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. figure 7 . 2d mouse assembly
11 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. figure 8 . lm31 - lng lens outline drawing 3.3 package marking refer to figure 2 . pin configuration . table 8 . code identification code marking description product number pmw3260db - tpou part number label lot code yyww xxxxx yyww = date code xxxxx = pixart reserved
12 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. system level description 4.1 reference application schematic diagram note : - component s required by the sensor are c11, c14, c12, c13, c15 , d2 and r17 figure 9 . pmw3260 reference mouse application circuit in order to obtain the recommended 5ma led drive current, a set of resistor value is provided with the different vdd levels. table 9 . recommended resistor values for r led vdd led (v) 1.70 1.80 1.90 2.00 r led [ ? ] 68 91 110 130
13 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. 4.2 layout guideline s ? insert the integrated sensor and all other electrical components into pcb. ? wave - solder the entire assembly in a no - wash solder process utilizing solder - fixture. a solder - fixture is required to protect the sensor from flux spray and wave solder. ? avoid getting any solder flux onto the sensor body as there is potential for flux to seep into the sensor package . t he solder fixture should be designed to expose only the sensor leads to flux spray & molten solder while shielding the sensor body and optic al apertures. the fixture should also set the sensor at the correct position and height on the pcb . ? place the lens onto the base plate. care must be taken to avoid contamination on the optical surfaces . ? remove the protective kapton tapes from optical apert ures of the sensor. care must be taken to prevent contaminants from entering the apertures. do not place the pcb with the sensor facing up during the entire product assembly process. hold the pcb vertically when removing kapton tape. ? remove the protective kapton tapes from optical apertures of the sensor. care must be taken to prevent contaminants from entering the apertures. do not place the pcb with the sensor facing up during the entire mouse assembly process. hold the pcb vertically when removing kapton tape . ? insert pcb assembly over the lens onto the base plate aligning post to retain pcb assembly. the sensor package will self - align to the lens via the guide posts. the optical position reference for the pcb is set by the base plate and lens. note that t he pcb motion due to button presses must be minimized to maintain optical alignment. ? install mouse top case. there must be a feature in the top case to press down onto the pcb assembly to ensure all components are stacked or interlocked to the correct vert ical height
14 pmw3260db product datasheet ultra low power led optical mouse sensor pixart imaging inc. version 1.50 | 05 may 2016 | 11001 a en pixart imaging inc. http://www.pixart.com all rights reserved. any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission. registers 5.1 registers list the pmw3260db - tpou registers are accessible via the serial port. the registers are used to read motion data and status as well as to set the device configuratio n . table 10 . register list address register name access reset 0x00 product_id r 0x41 0x01 revision_id r 0x01 0x02 motion r /w 0x00 0x03 delta_x_l r 0x00 0x04 delta_y_l r 0x00 0x05 delta_xy_h r 0x00 0x06 squal r 0x00 0x07 shutter_higher r /w 0x00 0x08 shutter_lower r /w 0x22 0x09 pix_max r 0x60 0x0a pix_avg r 0x4f 0x0b pix_min r 0x7f 0x11 performance r/w 0x00 0x12 burst_read r/w 0x00 0x14 run_downshift r/w 0x02 0x15 rest1_rate r/w 0x04 0x16 rest1_ downshift r/w 0x10 0x17 rest2_rate r/w 0x0a 0x18 rest2_ downshift r/w 0x2f 0x1d observation1 r/w 0x00 0x21 dtest_pad r/w 0x00 0x24 frame_grab 1 r/w 0x00 0x25 frame_grab2 r 0x4f 0x3a power_up_reset w 0x00 0x3b shutdown w 0x00 0x41 spi_clk_on_req w na 0x48 resolution_step r/w 0x0b 0x4d xy_direction r/w 0x7a 0x56 wakeup_squal r/w 0x11 0x65 wakeup_stat_control r/w 0x20 0x75 lift detection squal threshold r/w 0x28 0x76 lift brightrow threshold r/w 0x13 0x7a lift detection high squal threshold r/w 0x0a 0x7b lift detection low squal threshold r/w 0x45

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