机器人-摄像头-003-16A2 ov7649.doc

product data sheetmodel no: 16a2 version 1.1 microjet technology co., ltd.microjet technology co., ltd. 1/9 product data sheet (model no:16a2) sensor specificationspicture format power requirementspower requirementproduct specificationstypecmos camera module (ov 7649 inside) vga 640*480 pixels qvga 320*240 pixels core2.5vdc10% analog 2.5vdc4% i/o2.25 v to3.3 dcactive 40mw(30 fps including i/o power) standby 30woperation -10 to 70temperature range stable image0 to 50yuv/ycbcr 4:2:2output format (8-bit)rgb 4:2:2raw rgb datas/n ratio 46 db dynamic range62 db maximum exposure interval532 trowgamma correction 0.45dark current30mv/s well capacity 60ke fixed pattern noise0.03% of vpeak to peakmaximum image transfer rate vga 30fps qvga 60fps pixel size 5.6m*5.6mimage area 3.6mm*2.7mm package dimensions 4760m(l)*4930m(w)*640m(h) oscillator frequency 24mhz (typical value) optical specificationsparameterspecificationlens elements3 group(1g+2p) viewing angle67 5 diagonal focal length3.73 mm f number2.4 filterir cut included ( 645+/-10nm )tv distortionunder 1.0% effective photography distance20cminfinity microjet technology co., ltd. 2/9 product data sheet (model no:16a2) pin number namepin descriptionpin typefunction/description power down mode selectiona1pwdninput (0)a0: normal mode1: power down mode a2 agnd poweranalog grounda3sio_di/osccb serial interface data i/oa4a5y0y2outputyuv video component output bit0 outputyuv video component output bit2 b1 vref2vrefinternal voltage reference (2.3v). connect to groundb2 avddthrough 1f capacitor poweranalog power supply (+2.5 vdc)b3sio_c inputsccb serial interface clock inputb4b5y1y3outputyuv video component output bit1 outputyuv video component output bit3 c1dvdd powerpower supply (+2.5 vdc) for digital corec5d1d2d3d4d5e1e2e3y4vsyncpclkxclk1dgndy6hrefdovddresetoutputyuv video component output bit4 outputvertical sync output outputpixel clock outputinputcrystal clock input powerdigital groundoutputyuv video component output bit6 outputhref outputpowerdigital power supply (+2.5 to 3.3vdc) for i/oinput (0)clears all registers and resets them to their defaulte4e5y7y5values.outputyuv video component output bit7 outputyuv video component output bit5 a. input (0) represents an internal pul -down resistor.microjet technology co., ltd. 3/9 product data sheet (model no:16a2) electrical characteristicsabsolute maximum ratingsambient storage temperaturevdd-asupply voltages(with vdd-c respect to ground)vdd-io -40 to 1255v 3v 5v all input/output voltages (with respect to ground)-0.3v to vdd_io+1vesd rating, human body model2000vnote: exceeding the absolute maximum ratings shown above invalidates all ac and dc electrical specifications and may result in permanent device damage.dc characteristics (0c ta 70c)symbol parameterconditionmin typ maxunitvdd-a dc supply voltage analog2.40 2.52.6 vvdd-c dc supply voltage corel 2.25 2.52.75vvdd-io dc supply voltage i/o idda active (operating) current see noteaidds-sccb standby current see notebidds-pwdn standby current see noteb2.2515 1 103.3vma ma uavih input voltage high cmos vilinput voltage low0.7 x vdd-io v0.3 x vdd-io vvohvoloutput voltage high output voltage lowcmos(ioh/iol)0.9 x vdd-io v0.1 x vdd-io vioh ioliloutput current highoutput current lowinput/output leakage see notecgnd to vdd-io 8 15 1ma ma uaa. vdd-a = vdd-c = 2.5v, vdd-io = 3.0v, idda =”idd-io+ idd-c + idd-a, fclk = 24mhz at 30 fps, no i/o loading b. b. vdd-a = vdd-c = 2.5v, vdd-io = 3.0v idds:sccb refers to a sccb-initiated standby, while idds:pwdn refers to a pwdn pin-initiated standby standard output loading = 25pf, 1.2kw to 3vmicrojet technology co., ltd. 4/9 product data sheet (model no:16a2) functional and ac characteristics (0c ta 70c) symbolparametermin functional characteristics a/d differential non-linearity a/d integral non-linearityagc rangered/blue adjustment range inputs (pwdn,clk,reset) typ 1/2 1max 2112unit lsblsbdbdbfclktclktclk:dcts:resetts:reginput clock frequency input clock periodclock duty cyclesetting time after software/hardware resetsettling time for register change (10 frames required) 10100452442502737551300 mhzns% ms ms sccb timing (sio_c and sio_d)fsio_cclock frequency400khztlowthighclock low periodclock high period1.3600usnstaatbufthd:statsu:stathd:dattsu:dattsu:stotr, tftdhsio_c low to data out validbus free time before new startstart condition hold time start condition setup timedata-in hold timedata-in setup time stop condition setup time sccb rise/falldata-out hold time 1001.3600600010060050900300nsusnsnsusnsnsnsnsoutputs (vsync,href,pclk,and y7:0tpdvpclk to data-out valid 5nstsuthdy9:0 setup timey9:0 hold time158nsnstphhtphlacpclk to href pclk to href vdd: vdd-c = vdd-a = 2.5v, vdd-io = 3.3v0055nsnscondition rise/fall times: i/o: 5ns, maximum sccb: 300ns, maximum input capacitance: 10pf output loading: 25pf, 1.2k to 3v fclk: 24mhz microjet technology co., ltd. 5/9 product data sheet (model no:16a2) timing specificationssccb timing diagramrow output timing diagramvga frame timingqvga frame timingmicrojet technology co., ltd. 6/9 product data sheet (model no:16a2) rgb 565 output timing d