pa w 3 305dk 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: fae_service@pixart.com.tw v 1. 0 , ma y . 20 1 3 pa w 3 3 05 dk optical mouse sensor general description the pa w 3 3 05 dk is a cmos process optical mouse sensor with dsp integration chip that serves as a non - mechanical motion estimation engine for implementing a computer mouse. features ? single 5v power supply ? precise optical motion estimation technology ? complete 2 - d motion sensor ? accurate motion estimation over a wide range of surfaces ? high speed motion detection up to 6 8 inches/sec (@a4 paper) ? high resolution up to 32 00 cpi ? register setting for low power dissi pation (power down mode) ? serial interface for programming and data transfer ? internal oscillator accuracy within 10%, external resonator less ? io 5v tolerance key specification power supply operating voltage 4.25v ~ 5.5 v optical lens 1:1 speed 6 8 inch es/sec @ a4 paper a cc e leration up to 30g resolution 400 / 800 / 1200(default)/ 1600/2000/2400/2800/3200 cpi frame rate 3600 frames/sec operating current < 5 0ma @mouse moving (normal) <100ua @ power - down mode package shrunk dip 12 ordering information order n umber i/o resolution tracking speed pa w 3 305dk cmos output 12 00 cpi 68 inches/sec @ a4 paper
pix a rt imaging inc. pa w 3 305dk c mos optical mouse sensor all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms with out permission . 2 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 20 1 3 1. pin configuration 1. 1 pin description pin no. n ame type defin i tion 1 sclk in serial interface clock . (open drain) 2 sdio i/o serial interface bi - direction data . (open drain) 3 motswk out motion detect , active low output . (open drain) 4 vddq bypass chip digital power 3 .3 v . please c onnect to 1uf capacitor . 5 vssled gnd chip led ground 6 led out l e d control 7 nc - connect to ground 8 vss gnd chip ground 9 vdd d bypass chip d igital power 1.8 v . please c onnect to 1uf capacitor . 10 v dd a bypass chip analog power 1.8 v . please c onnect to 1uf capacitor . 11 vdda y bypass chip image power 1.8 v . please c onnect to 1 0 uf capacitor . 12 vdd pwr power supply ( 4.25 v - 5.5v ) for internal power regulator ; vdda , vddd and vdd q are the power regulator output s . 1. 2 pin assignment figure 1. top view pinout figure 2. top view of mouse lb rb + x + y 1 2 3 4 5 6 7 8 9 10 11 12 1 7 6 12
pix a rt imaging inc. pa w 3 305dk c mos optical mouse sensor all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms with out permission . 3 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 20 1 3 2. block diagram and operation figure 3. block d iagram the pa w 3305dk is a high performance 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 mouse sensor is in a 12 - pin optical package. the current x and y information are available in registers accessed via a serial port. the word "mouse sensor," instead of pa w 3305 dk , is used in the document. cmos image sensor digital signal processor power on reset led driver control register sclk sdio internal oscillator 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 vdda serial interface vddd vdd motion / wake up motswk serial interface vssa vdday vddq vssled
pix a rt imaging inc. pa w 3 305dk c mos optical mouse sensor all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms with out permission . 4 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 20 1 3 3. registers and operation the released registers of the mouse sensor can be programmed via a serial port in terface. the user can modify released d sp configuration and read motion data from these registers. some registers not being listed are reserved not allowed to be modified . 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 ax four bits[3:0] number with the product identifier reserved[3:0] number is reserved for future use 0x02 motion_status r - bit field 0x03 delta_x r - eight bits 2s complement number 0x04 delta_y r - eight bits 2s complement number 0x05 operation_mode r/w 0x8 0 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 field 0x0a sleep1_setting r/w 0x4 2 bit field 0x0b enter_time r/w 0x30 bit field 0x0d image_ t hreshold r/w 0x 1e eight bits unsigned integer 0x0e image_ r ecognition r/w 0xe3 bit field 0x0f image_data r/w 0x40 bit field
pix a rt imaging inc. pa w 3 305dk c mos optical mouse sensor all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms with out permission . 5 pixart imaging inc. e - mail: fae_service@pixart.com.tw v 1. 0 , ma y . 20 1 3 4 . referencing application circuit 4 .1 reco mmended typical application figure 4 . application circuit (with red led) sclk gnd d+/sclk mcu vcc_5v c4 ? z2 sclk ensw1 encoder 1 2 3 z2 z1 com r1 82 u1 cy 7c64215 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 vss p0.7 p0.5 p0.3 p0.1 p2.5 p2.3 p2.1 p1.7 p1.5 p1.3 p1.1 vss2 d+ d- vdd2 p1.0 p1.2 p1.4 p1.6 p2.0 p2.2 p2.4 p0.0 p0.2 p0.4 p0.6 vdd d+/sclk + c7 0.1uf issp_sclk + c5 0.1uf vcc_5v issp_sdata u2 paw3305 1 2 3 4 5 6 7 8 9 10 11 12 sclk sdio motswk vddq vss_led led nc vss vddd vdda vdday vdd z1 c3 ? sw3 1 2 d-/sdata motswk sclk/sdio/motswk: open drain i/o jp1 1 2 3 4 5 bm + c9 10uf sw1 1 2 d+/sclk motswk bm br c2 0.1uf isp r2 0 z2 sdio d1 led usb z1 r4 100 ohm sdio issp_sdata paw3305 sensor vcc_5v + c1 10uf + c11 1uf + c12 1uf bl d-/sdata bl + c6 0.1uf issp_sclk + c10 1uf button&z wheel d-/sdata sw2 1 2 + c8 10uf r5 100 ohm vcc_5v vcc_5v br r3 0
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