机器人-摄像头-023-ov5116n.doc

ov5116nov5116n single ic cmos monochrome camera with ntsc analog outputfeaturesnsingle chip 1/4 inch format video image sensorneia/ntsc outputnselectable mirror imagenauto gain control (maximum + 18 db)nhigh i.r. sensitivity for nighttime applicationsnauto and manual backlight compensation modengamma correction -on/offgeneral descriptionthe ov5116n is a complete black and white cmos videocamera chip. it conforms to eia/ntsc (60 hz) standardsand outputs composite video capable of directly driving a 75display device. the on-chip auto exposure allows for a wide range of lightingconditions, eliminating the need for external mechanical shut-ter components. this, along with its single supply, low powerconsumption makes the ov5116n an incredibly versatile andcost-effective video camera perfect for the following types ofapplications:nexternal frame sync capabilityn40mw on-chip power consumptionnexternal data acquisition supportnsmear freenauto level expandingnoptional edge enhancementapplicationsnsecuritynsurveillancenmachine visionnprocess controlncctvninfant monitoringntoyskey specificationsarray size320 x 240 pixelsaboffvcbrt56432128272625degnd24atblkteffective image areaauto electronic exposure (seconds)3.2 x 2.5mm1/60-1/6000sgnd7ov5116n23ovddminimum illumination0.5 lux f 1.4(3000k)ntsc8bklt9xtal210xtal11128 pin lcc12 13 14 15 16 17 1822cvo21 dgnd20dvdd19pclk/g8xs/n ratiopower supply powerrequirementspackage type46 db (agc=1x)5vdc, 5%(40 mw before-loading), 70mw standard loading28 pin lccov5116n pin assignmentomnivision technologies, inc. 930 thompson place sunnyvale, ca 94085 u.s.a.tel: (408) 733-3030 fax: (408) 733-3061e-mail: website: version 2.1, may 4, 2001 svdd av d d n5 0 fs i devdd gam m a agnd oenb fa s t bped vrc h g vreq g4x fs o /m ir romnivision technologies, inc.ov5116n1. introductionsingle ic cmos monochrome camera with ntsc analog outputthis section describes the features and functions of the ov5116n, a monochrome cmos video camera integrated circuit.2.pin assignments:table 1.pin descriptions pin #1, 2, 20, 23, 2634567, 21, 25, 288*91011121314151617nameavdd, svdd,dvdd, ovdddevddvrchgn50aboffvcbrtsgnd, dgnd,degnd, agndntscbkltxtal2xtal1fsioenbg4xfastbpedgammaclassbiasoai-i-oabiasi-1i-xoxii-i-i-i-i-i-1function power (+5v) connections.internal voltage reference. connect to agnd with a 0.1uf capacitor. set low()=standard ntsc. set high (1)=50hz light (for use in japan only);auto brightness level descending function offvideo dc output black level, leave it open in usual caseground connections. connect to supply common.set high(1)=eia/ntsc modebacklight mode 1oscillator clock output or crystal output. external oscillator input or crystal input: 12.288mhzexternal frame sync input. a rising edge on fsi sets the chip timing to vertical sync. leave open if unused.a logic level input to enable or tri-state cvo. logic high(1)=tri-state;low()=enabled.a logic level input which when high places the maximum agc gain to 4x. when low thesensor agc gain is 2x.a logic level input to enable/disable agc/aec fast mode. high enables, low disables, which provides slow and smooth agc/aec mode.a logic level input to disable on chip edge enhancement. high disable, low enable.a logic level pin to select the transfer characteristic of output voltage versus light input. logic high for g=0.45; low for g=1.18 fso/mirri/o/in/out pin.frame sync output. digital frame sync output pin. positive pulse occurs duringthe cvo vertical sync period. input is a logic level input to enable mirror function. low()=standard, high(1)=mirror.1922*2427pclk/g8xcvoatblktvreqi/o/qi-oadigital pixel clock output. provides 2 functions: when high a valid pixel is present at cvo and in sync with pclk. input is a logic level input to enable maximum agc gain to 8x(only effective when pin 14 is set to high(1)the composite video output signal. the output is a source follower capable of directly driving a 1v p-p signal into a 108 load.(75 external and 33 internal)backlight mode 2internal voltage reference level. connect to agnd with a 0.1uf capacitor.* pin 9 and pin 24 must be used in a logical combination as per the following table:atb lk(pin 24)blk t(pin 9)mode11class11default levelnorm al modemode 1 - m anual b ack lightmode 2 a utom atic b ack light (chip determ ination)future usei-1i-i/ooaqxi/xobias: low; o: outputmay 4, 2001digital input, w ith 100k pull updigital input, w ith 100k pull dow ndigital c mos level input and outputanalog c mos reference voltage75 ohm outputcrystal input/outputpower supply biasversion 2.12omnivision technologies, inc.ov5116nsingle ic cmos monochrome camera with ntsc analog output3. electrical characteristicstable 2. electrical parametersparameterconditionsmintypmaxunitsvddvpeakvblnkvsyncidd1idd2cinfosctcyctr, tfpower supply voltagecvo output peak voltage*cvo output blank voltage*cvo output sync voltage*functioning with 108 load on cvofunctioning with 10k load on cvomaximum pin capacitorcrystal/ceramic resonator frequency: 60hzpixel clock cycle time: 60hzmaximum digital input rise/fall time4.755.001.00.4012.2881635.251561020voltsvoltsvoltsvoltsmamapfmhznsns* assuming standard loading of 108 (33 internal+75 external).table 3. ov5116 tv timing specificationparametersunits1number of lines per frame2field frequency3line period4line blanking interval5line synchronizing pulse6field blanking interval 7first equalizing pulse width8field synchronizing pulse width 9second equalizing pulse width 10fso widthmay 4, 200152560.0163.47611.414.5622/233/2.532.5/33version 2.1lineshzsecsecseclinelinelinelineline3omnivision technologies, inc.ov5116n0.0020.0030.0600.006single ic cmos monochrome camera with ntsc analog outputnotes:1)all dimensions in inches.bottom viewtop view0.0200.0022 pa0.020 0.0020.0200.002a-a4150.050pin 1index0.3300.075 0.010111290.450 sq. 0.0080.350 sq. 0.0060.007 max.b/f pull back0.011 min.870.010.x45pin no. 1index610.013 max.b/f exposure2826250.0850.025 0.003 28 plcsr 0.00928 plcs0.035 min.19180.015 min.4 plcsr 0.0124 plcs20210.200 0.00522230.0404 plcs0.010 die1scan origin(row #1, column #1)package center(0, 0)array center(-0.011, -0.011)scan end(final row, final column)sensorarraytop viewmay 4, 2001note: most lens assemblies reverse the viewed scene onto the sensor array,which generally means that pin 1 should be located at the bottom of the p.c. board.to ensure correct display orientation, check the lens specification prior tolaying out the printed circuit board.figure 1. ov5116 series package and sensor array dimensionsversion 2.14 0. 050 0. 008 27 pl cs 0. 040 ref .x45 3 pl cs 0. 020 ref .x45 0. 024 22 p l c s 0. 014 24 p l c s 0. 300 s q . 0 .0 05omnivision technologies, inc.ov5116nsingle ic cmos monochrome camera with ntsc analog outputov5116 module reference design (use for all new designs)j11pwr3u1mc78l05acpvinvout1vcc(5v)con1j21gndc1.1u-0603c247u-16r1vccvccc3vccj4con110k-0603vccr21u/te-a10k-0603c4c5con1gndj31con1vccr3r4.1u-0603.1u-0603u2vccy1:13.5mhz, r9-on 50hz, 352x288r810k-060310k-060310k-060356aboff7vrbrt25degnd24atblt23r5r6r7j5ntsc8sgndovdd22cvoy1:12.288mhz, r9-off 60hz, 320x24019ntscov5116cvo21con110bkltdgnd20j6r8 r5off off normalon off manual back lightoff on auto back light1on on auto back light2r15 4x max gainr14 agc/aec fast mode (10k pull up resistor for outdoor use)r910k-0603j8con1y1x-12.288mr1111xtal2xtal1dvddpclk/g8x19g8xmirrj7con1r101con1vccj10r12 bypass edger13 gamma offc61m-0603c7j91con1fsioenbr12gammavcc10k-0603r131con1r10 mirror moder7 8x gain(effect only r15on)r2 n50 moder4 auto brightness offr9 pal/ntsc switchr1/r3 adjust brightness level(open at normal case)option10p-060310p-0603j111con110k-0603r1410k-0603fastg4xj121con1r1510k-0603j131con110k-0603titleov5116md930 thompson place, sunnyvale, ca 9408