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  adns-2080 low power optical mouse sensor data sheet description the pixart imaging adns-2080 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 C such as cordless input devices. the adns-2080 is capable of high-speed motion detec - tion C up to 30 ips and 20 g. in addition, it has an on-chip oscillator and requires an external resistor to set the led current. the adns-2080 along with the adns-5110-001 lens, or adns-5120-002 lens, led clip, and hsdl-4261 ir led, or hlmp-eg3e-xxxxx red led form a complete and compact mouse tracking system. there are no moving parts and this translates to high reli ability and less maintenance for the end user. in addition, precision optical alignment is not required, facilitating high volume assembly. the sensor is programmed via registers through a two- wire serial port. it is housed in an 8-pin staggered dual in-line package (dip). features ? low power architecture ? small form factor ? programmable periods / response times and downshift times from one mode to another for the power-saving modes ? high speed motion detection up to 30 ips and 20 g ? external interrupt output for motion detection ? internal oscillator C no clock input needed ? selectable resolution of up to 2000 cpi ? operating voltage: as low as 2.1 v ? io reference voltage of 1.7 v to 3.3 v ? 2-wire serial port interface applications ? optical mice and optical trackballs ? integrated input devices ? battery-powered input devices all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw 1
2 theory of operation the adns-2080 is based on optical navigation technol - ogy, which measures changes in position by optically acquiring sequential surface images (frames) and ma th - ematically determining the direction and magnitude of movement. the adns-2080 contains an image acquisition system (ias), a digital signal processor (dsp), and a two wire serial port. the ias acquires microscopic surface images via the lens and illumination system. these images are processed by the dsp to determine the direction and distance of motion. the dsp calculates the dx and dy relative dis - placement values. an external microc ontroller reads and translates the dx and dy informa tion from the sensor serial port into ps2, usb, or rf signals before sending them t o the host pc. pinout of adns-2080 optical mouse sensor pin name input/ output description 1 sdio i/o serial data input/output 2 led i led illumination 3 motion o motion interrupt output (default active low, edge triggered) 4 vddio i input/output reference voltage 5 sclk i serial clock 6 gnd i ground 7 vdd o regulator output 8 vdda i supply voltage figure 1. package outline drawing (top view) item marking remarks product number a2080 date code xyywwz x = subcon code yyww = date code z = sensor die source lot code vvv numeric all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. low power optical mouse sensor
3 figure 2. package outline drawing caution: it is advised that normal static precautions be taken in handling and assembling of this component to prevent damage and/or degradation which may be induced by esd. all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. low power optical mouse sensor
4 overview of optical mouse sensor assembly pixart imaging provides an iges fle drawing de scribing the base plate molding features for lens and pcb align ment. the adns-2080 sensor is designed for mounting on a through-hole pcb, looking down. there is an aperture stop and features on the package that align to the lens . the adns-5110-001 and adns-5120-002 lens provides optics for the imaging of the surface as well as the illumination of the surface at the optimum angle. features on the lens align it to the sensor, base plate, and clip with the led. the led clip holds the led in relation to the lens. the led must be inserted into the clip and the leds leads formed prior to loading on the pcb. the leds recommended for illumination include hsdl-4261 ir led and hlmp-eg3e red led. figure 3. recommended pcb mechanical cutouts and spacing all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. low power optical mouse sensor
2x aa battery . v regulator block z-encoder +cpi left button right button middle button 1 3 2 com nc no sw2 1 3 2 com nc no sw3 1 3 2 com nc no sw4 com 3 b 2 a 1 q1 z-encoder_3p 1 2 3 4 sw5 tact_sw vdd_rf rf voltage selection vcc_dc1 jtag connector com za zb r14 1m r13 1m vdd_rf s1 s4 s3 s3 r1 b+ on off vbat 1 2 3 sw1 slide sw spdt 1 2 p1 b- bt1 2aa battery vdd_led led voltage selection p4 p5 vcc_dc1 vdd_sensor sensor voltage selection 17 p18 p19 vcc_dc1 vbat vcc_dc1 voltage measurement vbat gnd vdd_led vdd_led 1 p12 1 p13 1 p14 1 p11 p10 p9 + 1 + 3 + 5 + 7 + 9 + 2 + 4 + 6 + 8 + 10 con1 pcb_skt_smd_1.27/2x5 prog s2 r2 s1 r1 rf module reset reset prog msck com motion r1 r2 s1 s2 s3 s4 r0 sdio za zb vdd_rf rf module pcb reset 19 p1.4 18 p1.3 17 p1.2 16 p1.0 14 p0.6 12 p0.7 13 p0.5 11 prog 6 p0.3 7 p0.1 1 p0.2 5 p0.4 10 p1.1 15 p1.6 29 gnd1 gnd2 gnd3 gnd4 gnd5 gnd6 gnd7 gnd8 gnd9 vdd p20 note: 2 r1 = 1m6 , r2 = 470k vcc_dc1 = 2.2v d5 led sensor block vdd_led c11 100nf r17 0r + c9 2.2uf/16v vdd_sensor r5 66 r r10 1m r11 1m vdd 7 gnd 6 sclk 5 vdda 8 xy_led 2 sdio 1 vddio 4 motion 3 u5 adns- 2 080 c2 4.7uf/10v vddio msck motion vdd_sensor p25 vcc_dc1 vdd_sensor r0 vcc_dc1 vout 4 fb 2 vin 1 en 6 gnd 3 l 5 u1 tps61220 1 2 3 p24 c5 10uf/50v c1 100nf vbat l1 4.7uh vbat r1 1m 6 r2 470 k 1 2 p16 vcc_dc1 c6 100nf c8 4.7uf/10v c10 4.7uf/10v 2 r12 1m vdd_sensor sdio 5
6 figure 8b. schematic diagram of the rf module (to be attached to the mouse mainboard pcb) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ??????????? ?????????????? ?????? ???????????????????? ?????? ?????????????????????? ?????????? ??????????????? ??????????? ?????? ?????? ??????????? affinex ?????????????? ?????????????????? ????????????? ?????????? ???? ??????? ??????????? ??? ?????????????? ???? ??? ????? ??? ???????? ??? ?????????????? ???????????????????? ?????????? ?????????????????????? ?????? ????????? ??????????? ??????????????????? ?????????????? ???????????????????? ?????????????????????? ??????????????????? ???????????????? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ?? ?????????????? ?????????????? ??????????? ????????????????? ? ??????????? ??? ??? ??? ???????? ??????????????????? ???????? ??? ???????? ???????????? ??? ???????? ??? ??????????????????????????? ???????????????? ???????????????? ???? ??? ???????? ???????? ??????????? ?? ??? ?????? ??????????????????????????????????????????????????? ???????????????????? ??????????????????? ??? ???????? ??? ???????????? ????????? ??? ????? ?? ???? ?? ???? ?? ???? ?? ???? ?? ???? ?? ???? ?? ???? ?? ???? ? ???? ? ??? ? ??? ? ???? ? ???? ? ??? ? ???? ? ???? ? ???? ?? ???? ?? ?????? ?? ???? ?? ???? ?? ??? ?? ??? ?? ???? ?? ??? ?? ??? ?? ???? ?? ???? ?? ??? ?? ??? ?? ???? ?? ??? ?? u1 nrf24le1 c1 100nf c3 100nf c4 33nf ?????? c5 100nf ?????? ? ? ? ? x1 16mhz c6 22pf c7 22pf r1 22k c2 100nf ?????? l2 6.8nh l1 4.7nh l3 6.8nh c8 1.5pf c9 2.2nf c11 1pf c12 1.8pf at1 antenna ?????????????????? reset ant1 ant2 vdd_pa prog msck com motion r1 r2 s1 s2 s3 s4 r0 cs miso mosi za zb ?????? ? p1 ? p5 ? p6 ? p7 ? p10 ? p11 ? p12 ? p13 ? p14 ? p15 ? p16 ? p17 ? p18 ? p19 ? p28 ? p29 ? p32 ? vdd ? gnd1 ? gnd2 1 ? gnd3 ? gnd4 ? gnd5 ? gnd6 ? gnd7 ? gnd8 ? gnd9 c13 5pf c14 5pf c15 5pf c16 5pf
7 figure 8c. schematic diagram of the dongle ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ??????????? ?????????????? ?????? ???????????????????? ?????? ?????????????????????? ?????????? ??????????????? ??????????? ?????? ?????? ??????????? affinex ?????????????? ?????????????????? ????????????? ?????????? ???? ??????? ??????????? ??? ?????????????? ???? ??? ????? ??? ???????? ??? ?????????????? ???????????????????? ?????????? ?????????????????????? ?????? ????????? ??????????? ??????????????????? ?????????????? ???????????????????? ?????????????????????? ??????????????????? ???????????????? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ?? ?????????????? ?????????????? ??????????? ????????????????? ? ??????????? ??? ??? ??? ???????? ??????????????????? ???????? ??? ???????? ???????????? ??? ???????? ??? ??????????????????????????? ???????????????? ???????????????? ???? ??? ???????? ???????? ??????????? ?? ??? ?????? ??????????????????????????????????????????????????? ???????????????????? ????????????????????? ??? ???????? ??? ???????????? ????????? ??? x1 16mhz ??? ??? ??? c12 10uf ???? ?? ??? ?? ???? ?? ?????? ?? ??? ?? ??? ? ????? ? ???? ? ?? ? ?? ? ??? ? ???? ? ??? ?? ???? ?? ??? ? ??? ?? ??? ?? ??? ?? ??? ? ???? ?? ??? ?? ??? ?? ???? ?? ???? ?? nrf24lu1+ ???? ?? ???? ?? ??? ?? ??? ?? ???? ?? ???? ?? ???? ?? ??? ?? u1 ???? ? ?? ? ??? ? ?? ? j1 usb type a antenna prog sck mosi miso csn prog l4 3.9nh 0402 r3 22r r4 22r r6 10r r7 10k r5 10k r2 22k c8 10nf c11 100nf c7 10nf c1 22pf c2 22pf c10 33nf c9 33nf c3 2.2nf c4 4.7pf c6 1.0pf c13 2.2pf c5 1.0pf l3 6.8nh l1 5.6nh l2 6.8nh ? ? ? ? ? ? ? j2 header 5
8 table 2. recommended operating condition parameter symbol min typ. max units notes operating temperature t a 0 40 c power supply voltage v dda 2.1 2.2 3.3 v v ddio 1.7 1.8 3.3 v power supply rise time t rt 0.15 20 ms 0 to v dda min/v ddio min supply noise (sinusoidal) v na 100 mvp-p 10 khz C50 mhz serial port clock frequency f sclk 1 mhz 50% duty cycle distance from lens reference plane to tracking surface (z) z 2.3 2.4 2.5 mm speed 1 s 0 30 ips at default frame rate acceleration a 20 g at run mode load capacitance c out 100 pf sdio and motion note: 1. for higher than 500 dpi setting, use 12-bit motion reporting to achieve the maximum speed design considerations for improved esd performance for improved electrostatic discharge performance, typical creepage and clearance distance are shown in the table below. assumption: base plate construction is as per the 1jysu*nbhjoh supplied iges fle and adns-5110- boe%/4 lens. note that the lens material is qpmzdbscpobufps polysty rene hh30. therefore, cyanoacrylate cbtfebeif sives or other adhesives that may damage the lens should not be used. typical distance (mm) creepage 16.0 clearance 2.0 regulatory requirements ? passes fcc b and worldwide analogous emission limits when assembled into a mouse with shielded cable and following 1jysu*nbhjoh r ecommendations. ? ul fammability level ul94 v-0. table 1. absolute maximum ratings parameter symbol minimum maximum units notes storage temperature t s -40 85 c operating temperature t a -15 55 c lead solder temperature v o 260 c for 10 seconds, 1.6 mm below seating plane. supply voltage v dda -0.5 3.6 v v ddio 3.6 v esd 2 kv all pins, human body model jesd22-a114 input voltage v in -0.5 3.6 v all i/o pins all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. low power optical mouse esor
9 table 4. dc electrical specifcations electrical characteristics over recommended operating conditions. typical values at 25 c, v dda = 2.2 v, v ddio = 1.8 v, vdd led = 2.2 v, irled hsdl-4261, i led dc = 5ma. parameter symbol min typ. max units notes dc supply current in various mode i dd_avg 1.5 ma average sensor current at max frame rate. no load on sdio average led current at max frame rate. no load on sdio i dd_rest1 110 a i dd_rest2 34 a i dd_rest3 18 a i ddled_avg 0.4 ma i ddled_rest1 66 a i ddled_rest2 15 a i ddled_rest3 4 a power do wn current 10 a input low v oltage v il 0.3* v ddio v sclk, sdio input high voltage v ih 0.7* v ddio v sclk, sdio input hysteresis v i_hys 200 mv sclk, sdio input leakage current i leak 1 10 a vin = v ddio or 0 v output low voltage v ol 0.45 v iout = 1 ma, sdio, motion output high voltage v oh v ddio -0.45 v iout = -1 ma, sdio, motion input capacitance c in 50 pf sdio, sclk all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. low power optical mouse esor
10 registers the adns-2080 registers are accessible via the serial port. the registers are used to read motion data and status as well as to set the device confguration. address register name register description read/write default value 0x00 prod_id product id r 0x2a 0x01 rev_id revision id r 0x00 0x02 motion_st motion status r 0x00 0x03 delta_x lower byte of delta_x r 0x00 0x04 delta_y lower byte of delta_y r 0x00 0x05 squal squal quality r 0x00 0x06 shut_hi shutter open time (upper 8-bit) r 0x00 0x07 shut_lo shutter open time (lower 8-bit) r 0x64 0x08 pix_max maximum pixel value r 0xd0 0x09 pix_accum average pixel value r 0x80 0x0a pix_min minimum pixel value r 0x00 0x0b pix_grab pixel grabber r/w 0x00 0x0c delta_xy_high upper 4 bits of delta x and y displacement r 0x00 0x0d mouse_ctrl mouse control r/w 0x01 0x0e run_downshift run to rest1 time r/w 0x08 0x0f rest1_period rest1 period r/w 0x01 0x10 rest1_downshift rest1 to rest2 time r/w 0x1f 0x11 rest2_period rest2 period r/w 0x09 0x12 rest2_downshift rest2 to rest3 time r/w 0x2f 0x13 rest3_period rest3 period r/w 0x31 0x22 performance performance r/w 0x00 0x3a reset reset w 0x00 0x3f not_rev_id inverted revision id r 0xf 0x40 led_ctrl led control r/w 0x00 0x41 motion_ctrl motion control r/w 0x40 0x42 burst_read_first burst read starting register r/w 0x03 0x44 burst_read_last burst read ending register r/w 0x09 0x45 rest_mode_config rest mode confguration r/w 0x00 0x63 motion_burst burst read r 0x00 all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. low power optical mouse sensor


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