paw 3205db - tj3t all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms with out permission. 1 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 201 3 paw 3205db - tj3t low power wireless mouse sensor general description the paw 3205db - tj3t 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 implementin g a computer wireless mouse. with adaptive frame - rate control ( afc ) , this optical mouse sensor gains extra power saving during mouse moving. features ? single power supply ? precise optical motion estimation technology ? complete 2 - d motion sensor ? accurate m otion estimation over a wide range of surfaces ? high speed motion detection up to 30 inches/sec ? high resolution up to 1600 cpi ? power saving mode during times of no movement ? serial interface for programming and data transfer ? built - in low power timer (lpt) f or sleep1/sleep2 mode ? mot swk pin to wake up mouse controller ? w ide operation range from 2. 1 v to 3.6v ? adaptive frame rate control for extra power saving during moving key specification power supply operating voltage 2. 1 v ~ 3.6 v (vdd) optical lens 1:1 spe ed u p to 30 inches/sec acceleration u p to 10 g resolution 600/ 8 00/ 1000(default)/ 1 3 00 / 1 600 cpi frame rate u p to 24 00 frames/sec typical operating current (without i/o toggling) 1 . 5 ma @ mouse moving (normal) 50ua @ mouse not moving (sleep1) 12ua @ mo use not moving (sleep2) 10ua @ power down mode * not including led , typical value package staggered dip8 ordering information order n umber part description resolution paw3205db - tj3t cmos optical mouse sensor 1000 cpi
pix a rt imaging inc. paw 3205db - tj3t wireless 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 . 2 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 201 3 1. pin configuration 1. 1 pin des cription pin name type defin i tion 1 nc nc no function 2 mo t swk out motion detect ( active low output , see section7 ) 3 sdio i/o serial interface bi - direction data 4 sclk in serial interface clock 5 led out led control 6 vss gnd chip ground 7 vdd pwr p ower supply (2. 1 v~ 3.6 v) for internal power regulator, vdda (1. 9 v) is the power regulator output. 8 vdd a pwr a nalog /digital supply voltage ( 1. 9 v ) 1. 2 pin assignment figure 1. top view pinout figure 2. top view of mouse lb rb + x + y 1 2 3 4 8 7 6 5 1 2 3 4 8 7 6 5
pix a rt imaging inc. paw 3205db - tj3t wireless 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 v 1. 0 , ma y . 201 3 2. block diagram and operation figure 3. block d iagram the paw 3205db - tj3t is a high performance and low power cmos - process optical mouse sensor with dsp integration chip that serve s as a non - mechanical motion estimation engine for implementing a wireless computer mouse. it is based on new optical navigation technology, which measures changes in position by optically acquiring sequential surface images (frames) and mathematically det ermining the direction and magnitude of movement. the mouse sensor is in an 8 - pin optical package. the current x and y information are available in registers accessed via a serial port . the word "mouse sensor" , instead of paw 3205db - tj3t , is used in the doc ument. with brand - new led control technology, adaptive frame rate control ( also known as afc), the mouse sensor gain extra power saving during mouse moving. t he afc servers position/speed detection and then mapping to different frame rate. w ith lower frame rate, it leads to lower power consumption of the mouse sensor and led. the mouse sensor is featured with three - level afc which is 24 00 / 1 2 00 / 80 0 frame per second. cmos image sensor digital signal processor power on reset led drive control register sclk sdio v o l t a g e r e g u l a t o r a n d p o w e r c o n t r o l led vss serial interface 2 . 1 v ~ 3 . 6 v power vdda vdd adaptive framerate control serial interface 1 . 9 v regulator motion / wake up motswk
pix a rt imaging inc. paw 3205db - tj3t wireless 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 . 4 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 201 3 3. registers and operation the mouse sensor can be programmed through registers via the se rial port . also , the dsp configuration and motion data can be read from these registers. all registers not listed are reserved, and should never be written by firm ware. 3.1 registers address name r/w default data type 0x00 product_id 1 r 0x30 eight bits[11 :4] number with the product identifier 0x01 product_id 2 r 0x d x upper four bits[3:0] number with the product identifier lower four bits[3:0] n umber with the product version 0x02 motion_status r - bit field 0x03 delta_x r - eight bits 2s complement numbe r 0x04 delta_y r - eight bits 2s complement number 0x05 operation_mode r/w 0xb8 bit field 0x06 configuration r/w 0x0 2 bit field 0x07 image_quality r - eight bits unsigned integer 0x08 operation_state r - bit field 0x09 write_protect r/w 0x00 bit fie ld 0x0a sleep1_setting r/w 0x7 0 bit field 0x0b enter_time r/w 0x10 bit field 0x0c sleep2_setting r/w 0x70 bit field 0x0d image_ t hreshold r/w 0x 0a eight bits unsigned integer 0x0e image_ r ecognition r/w 0xe5 bit field
pix a rt imaging inc. paw 3205db - tj3t wireless 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 . 5 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 201 3 4 . referencing application circu it 4 . 1 power 2.7v a pplication circuit , no dc/dc (with red led , 2.4ghz transceiver ) figure 4 . application circuit for 2.7v , no dc/dc 4 . 2 power 2 . 7 v a pplication circuit , one dc/dc (with red led , 2.4ghz transceiver ) figure 5 . application circuit for 2.7 v , o ne dc/dc r0 xc1 r1 22 sw1 1 2 3 cpi_sw 1 2 s-sclk bm reset bm 1 2 bat+1 1 1 br b4 c9 0.1uf 1 2 buttons b5 bl br 1 2 prog bl s-motswk z1 + c2 10uf 1 2 l3 4.7nh 1 2 bm cpi_sw x1 16 mhz cry stal 2 3 4 1 gnd out gnd in power ensw encoder 1 2 3 z2 z1 com b4 vcc_dc bat vcc_dc c3 0.1uf j1 header 5x2 1 2 3 4 5 6 7 8 9 10 battery * 2 (series, 2.1v~3.2v) rf - nordic nrf24le1 vcc_dc r0 bat b4 vcc_bat issp program - nordic vcc_bat z1 r2 22k 1 2 u2 paw3205-tj3t 1 2 3 4 5 6 7 8 nc motswk sdio sclk led vss vdd vdda b5 issp l1 6.8nh 1 2 z2 xc2 d1 red led r0 b5 1 2 c4 2.2nf 1 2 bl vcc_dc c20 1.8pf 1 2 l2 6.8nh 1 2 c6 1.0pf 1 2 br reset bl 1 2 z_cm cpi_sw bat-1 1 1 u3 nrf24le1 9 10 11 12 13 28 29 30 31 32 1 2 3 4 5 20 21 22 23 24 6 7 8 14 15 16 19 18 17 27 26 25 33 vdd p0.4 p0.5 p0.6 p0.7 p1.5 p1.6 xc2 xc1 p0.0 p0.1 vdd dec1 dec2 p0.2 vdd_pa ant1 ant2 vss vdd prog p0.3 vss p1.0 p1.1 p1.2 reset p1.4 p1.3 vdd vss iref epad r0_z2 1m c13 22pf 1 2 50 ohm point b4 1 2 c5 1.5pf 1 2 power tree c10 33nf 1 2 prog c7 0.1uf 1 2 r0 c12 22pf 1 2 s-sdio r8 / 1 2 c8 33nf 1 2 bl bat+ z_cm c19 / 1 2 vcc_dc b5 r0 s-sclk sensor, led, rf (2.1v~3.2v) vcc_dc vcc_dc cpi_sw s-sdio sensor - paw3205-tj3t z2 bl c11 0.1uf 1 2 s-motswk r0_z1 1m short for direct battery + c1 1uf bl reset s-sdio r0 cpi_sw d2 1n4001 / 1n4148 z2 c10 33nf 1 2 z_cm xc2 c19 / 1 2 c9 0.1uf 1 2 c7 0.1uf 1 2 c6 1.0pf 1 2 rf - nordic nrf24le1 l3 4.7nh 1 2 bm b4 1 2 vcc_dc vcc_dc vcc_dc buttons b4 br + c2 10uf 1 2 d1 red led cpi_sw l4 220uh bm b5 c8 33nf 1 2 vcc_dc s-motswk sensor - paw3205-tj3t cpi_sw bm 1 2 prog l1 6.8nh 1 2 prog bl 1 2 r0 bat-1 1 1 z1 bat+ r8 / 1 2 s-sclk u3 nrf24le1 9 10 11 12 13 28 29 30 31 32 1 2 3 4 5 20 21 22 23 24 6 7 8 14 15 16 19 18 17 27 26 25 33 vdd p0.4 p0.5 p0.6 p0.7 p1.5 p1.6 xc2 xc1 p0.0 p0.1 vdd dec1 dec2 p0.2 vdd_pa ant1 ant2 vss vdd prog p0.3 vss p1.0 p1.1 p1.2 reset p1.4 p1.3 vdd vss iref epad issp program - nordic c4 2.2nf 1 2 bl j1 header 5x2 1 2 3 4 5 6 7 8 9 10 b4 s-motswk bat bat c13 22pf 1 2 b4 z_cm r0_z1 1m r0 r2 22k 1 2 xc1 power vcc_bat b5 bat+1 1 1 br 1 2 reset c20 1.8pf 1 2 u1 elm9327 gnd vout sw c5 1.5pf 1 2 b5 1 2 dc/dc (2.7v) vcc_dc c11 0.1uf 1 2 bl x1 16 mhz cry stal 2 3 4 1 gnd out gnd in c14 47uf z2 50 ohm point r0 br vcc_bat u2 paw3205-tj3t 1 2 3 4 5 6 7 8 nc motswk sdio sclk led vss vdd vdda s-sclk cpi_sw 1 2 r1 22 power tree issp b5 c12 22pf 1 2 ensw encoder 1 2 3 z2 z1 com r0 r0_z2 1m sensor, led, rf (2.7v) vcc_dc bl vcc_dc bl z1 battery * 1 (0.9v~1.6v) c3 0.1uf l2 6.8nh 1 2 c16 47uf + c1 1uf sw1 1 2 3 s-sdio
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