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KS7214 timing & sync. generator for b/w ccd general description KS7214 is timing control ic for generating timing signal & sync signal which required camera system using monochrome ccd image sensor. functions - eia / ccir standards timing mode - hi-band / normal timing mode - frame / field accumulation mode - interlace / non - interlace mode - external synchronization mode - electronic iris ( electronic shutter ) - sync signal generation - oscillation frequency : eia normal mode : 19.06992 mhz ccir normal mode : 18.93750 mhz eia hi-band mode : 28.63636 mhz ccir hi-band mode : 28.37500 mhz block diagram
KS7214 timing & sync. generator for b/w ccd pin configuration h1 xpg shd shp vdd2 vss xsub v2 v1 xsg1 v3 xsg2 vdd md2 md3 md4 vss sm0 sm1 sm2 ees fl tst2 tst1 v4 vdd clp2 clp1 hd vd vss cblk csync wnd fld tst0 h2 pc x1 x2 vss2 clki vrn hrn rstn ext1 ext2 md1 ks 7214
KS7214 timing & sync. generator for b/w ccd pin description pin no. pin name i/o pin description 1 vdd - power supply 2 md2 i mode switching; hi-band: high, normal: low (with pull-down) 3 md3 i mode switching; non - interlace: high, interlace: low (with pull-down) 4 md4 i mode switching; frame : high, field: low (with pull-down) 5 vss - ground 6 sm0 i shutter speed control (with pull-down) 7 sm1 i shutter speed control (with pull-down) 8 sm2 i shutter speed control (with pull-down) 9 ees i electronic shutter mode; auto mode: high, fixed mode: low (with pull-down) 10 fl i flickerless shutter mode; flickerless mode: high (with pull-down) 11 tst2 i test mode select 2 (with pull-down) 12 tst1 i test mode select 1 (with pull-down) 13 tst0 i test mode select 0 (with pull-down) 14 fld o field seperation pulse 15 wnd o window pulse 16 csync o composite sync pulse 17 cblk o composite blank pulse 18 vss - ground 19 vd o vertical drive pulse 20 hd o horizontal drive pulse 21 clp1 o clamp pulse 1 22 clp2 o clamp pulse 2 23 vdd - power supply 24 v4 o ccd vertical register drive pulse 4
KS7214 timing & sync. generator for b/w ccd pin description (continued) pin no. pin name i/o pin description 25 xsg2 o ccd sensor read out pulse 2 26 v3 o ccd vertical register drive pulse 3 27 xsg1 o ccd sensor read out pulse 1 28 v1 o ccd vertical register drive pulse 1 29 v2 o ccd vertical register drive pulse 2 30 xsub o ccd discharge pulse 31 vss - ground 32 vdd2 - power supply 2 33 shp o precharge sample & hold pulse 34 shd o data sample & hold pulse 35 xpg o ccd reset gate pulse 36 h1 o ccd horizontal register drive pulse 37 h2 o ccd horizontal register drive pulse 38 pc o phase comparator output 39 x1 i oscillator input 40 x2 o oscillator output 41 vss2 - ground 2 42 clki i clock input for ext. sync mode 43 vrn i vertical pll reference for external sync mode (schmitt pull-up) 44 hrn i horizontal pll reference for external sync mode (schmitt pull-up) 45 rstn i system initialization pulse (schmitt pull- up) 46 ext1 i external sync mode select (with pull-down) 47 ext2 i external sync mode select (with pull-down) 48 md1 i mode switching; ccir: high, eia: low (with pull-down)
KS7214 timing & sync. generator for b/w ccd absolute maximum ratings (ta = 25 c) dc characteristics (ta = 25 c) parameter symbol condition unit supply voltage vdd vss - 0.3 ~ + 7.0 v input voltage vi vss - 0.3 ~ vdd + 0.3 v output voltage vo vss - 0.3 ~ vdd + 0.3 v operating temp. t opr 0 ~ + 70 c storage temp. t str - 40 ~ + 125 c latch-up current i lu 100 ma item symbol condition min. typ. max. unit supply voltage vdd - 4.75 5.00 5.25 v input voltage1 (normal input) vih 1 cmos level interface 0.7vdd - - v vil 1 cmos level interface - - 0.3vdd v input voltage2 (pin 43, 44, 45) vih2 cmos level schmmit trigger 0.8vdd - - v vil2 cmos level schmmit trigger - - 0.2vdd v input current 1(with pull-down) iih1 vi = vdd 50 - 200 ua iil1 vi = vss -10 - 10 ua input current 2 iih2 vi = vdd -10 - 10 ua (with pull-up: pin 43, 44, 45) iil2 vi = vss -200 - -50 ua input current 3 iih3 vi = vdd -40 - 40 ua (normal input: pin 42) iil3 vi = vss -40 - 40 ua output voltage 1(normal output) voh1 ioh = -2ma 2.4 - - v vol1 iol = 2ma - - 0.4 v output voltage 2 (pin 33, 34, 35) voh2 ioh = -4ma 2.4 - - v vol2 iol = 4ma - - 0.4 v output voltage 3 (pin 36, 37) voh3 ioh = -16ma 2.4 - - v vol3 iol = 16ma - - 0.4 v output voltage 4 (pin 40) voh4 ioh = -1ma 2.4 - - v vol4 iol = 1ma - - 0.4 v operating current idd vdd = 5.25v - 25 50 ma static current i st vdd = 5.25v - 420 - ua
KS7214 timing & sync. generator for b/w ccd operation explanation internal reset operation * including power on reset. (typ. 7us) * rstn low active reset at the internal mode external synchronization operation hd phase selection about 7us reset period reset period power por init ext 1 ext 2 mode 0 0 internal sync. mode 1 1 external composite sync. mode 1 0 line lock sync. mode 1 1 separate sync. mode tst 2 tst 1 tst0 mode 0 0 0 normal hd 1 1 1 reversed hd else reversed
KS7214 timing & sync. generator for b/w ccd electronic shutter there are two electronic shutter modes in KS7214. one is a fixed iris mode that controls shutter speed through parallel interface with external pin. the other is a auto iris mode that controls electronic iris automatically by detecting the light amount of current objects from the signal process ic. fixed shutter mode * flickerless mode md1 fl sm2 sm1 sm0 shutter speedb step real l l l l l 1/60 1/60 l l l l h 1/250 1/251 l l l h l 1/500 1/513 l l l h h 1/1000 1/1006 l l h l l 1/2000 1/1936 l l h l h 1/5000 1/5034 l l h h l 1/10000 1/10489 l l h h h 1/30000 1/31469 l h x x x 1/100 * 1/101 h l l l l 1/50 1/50 h l l l h 1/250 1/249 h l l h l 1/500 1/510 h l l h h 1/1000 1/999 h l h l l 1/2000 1/1923 h l h l h 1/5000 1/5000 h l h h l 1/10000 1/10416 h l h h h 1/30000 1/31249 h h x x x 1/120 * 1/120
KS7214 timing & sync. generator for b/w ccd auto shutter mode < auto shutter application > < auto shutter speed table > sm1 y up down sm0 comparator processor KS7214 sm1 sm0 auto shutter mode 0 0 shutter speed hold 0 1 shutter speed up 1 0 shutter speed down 1 1 shutter speed hold no step period eia ccir step shutter speed step shutter speed 1 7h 8 1/60 ~ 1/76 8 1 / 50 ~ 1 / 75 2 5h 7 1/77 ~ 1/91 7 1 / 76 ~ 1 / 91 3 4h 9 1/92 ~ 1/116 9 1 / 92 ~ 1 / 115 4 3h 12 1/117 ~ 1/157 12 1 / 116 ~ 1 / 156 5 2h 18 1/158 ~ 1/247 18 1 / 157 ~ 1 / 245 6 1h 50 1/248 ~ 1/1154 50 1 / 246 ~ 1 / 1146 7 1 / 2h 18 1/1155 ~ 1/3402 18 1 / 1147 ~ 1 / 3378 8 1 / 4h 12 1/3403 ~ 1/9682 12 1 / 3379 ~ 1 / 9615 9 1 / 8h 11 1/9683 ~ 1/125875 11 1/9616 ~ 1/124999
KS7214 timing & sync. generator for b/w ccd * horizontal timing chart for eia normal h d clk h 1 h 2 p g shp shd clp1 clp2 v 1 v 2 v 3 v 4 xsub
KS7214 timing & sync. generator for b/w ccd * horizontal timing chart for ccir normal h d clk h 1 h 2 p g shp shd clp1 clp2 v 1 v 2 v 3 v 4 xsub
KS7214 timing & sync. generator for b/w ccd h d clk h 1 h 2 p g shp shd clp1 clp2 v 1 v 2 v 3 v 4 xsub * horizontal timing chart for eia hi8
KS7214 timing & sync. generator for b/w ccd * horizontal timing chart for ccir hi8 h d clk h 1 h 2 p g shp shd clp1 clp2 v 1 v 2 v 3 v 4 xsub
KS7214 timing & sync. generator for b/w ccd * horizontal timing chart for eia normal 540 599 303 540 38 554 599 554 576 251 273 507 251 206 554 538 84 235 387 251 hd hblk hsync eqsync vsync fh / 2 int odd vd even vd fld unit ea
KS7214 timing & sync. generator for b/w ccd * horizontal timing chart for eia hi8 810 901 455 810 54 831 901 831 866 376 411 761 376 306 831 808 126 353 581 376 hd hblk hsync eqsync vsync fh/2 int odd vd even vd fld unit ea
KS7214 timing & sync. generator for b/w ccd * horizontal timing chart for ccir normal 540 599 303 540 48 554 599 554 576 251 273 507 251 206 554 538 84 235 387 251 hd hblk hsync eqsync vsync fh/2 int odd vd even vd fld unit ea
KS7214 timing & sync. generator for b/w ccd * horizontal timing chart for ccir hi8 810 901 454 810 69 831 901 831 866 377 412 761 377 307 831 808 127 354 581 377 hd hblk hsync eqsync vsync fh/2 int odd vd even vd fld unit ea
KS7214 timing & sync. generator for b/w ccd * vertical timing chart for eia h d csync v d cblk win h d csync v d cblk win field ii field i field ii field i 9 h 20 h 80 h 9 h 20 h 80 h
KS7214 timing & sync. generator for b/w ccd * vertical timing chart for ccir h d csync v d cblk win h d csync v d cblk win field i, iii field ii, iv 7.5 h 25 h 96.5 h 7.5 h 25 h 97 h field ii, iv field i, iii
KS7214 timing & sync. generator for b/w ccd * vertical ccd register driving pulse timing chart for normal eia and ccir 3 12 24 15 24 19 363 eia 1ck = 104.87ns ccir 1ck = 105.60ns hd v1 v2 v3 v4 xsg1 xsg2 v1 v2 v3 v4 frame readout odd frame readout even
KS7214 timing & sync. generator for b/w ccd * vertical ccd register driving pulse timing chart for normal eia and ccir eia 1ck = 104.87ns ccir 1ck = 105.60ns filed readout odd filed readout even 378 hd v1 v2 v3 v4 xsg1 xsg2 v1 v2 v3 v4 3 24
KS7214 timing & sync. generator for b/w ccd * vertical ccd register driving pulse timing chart for hi8 eia unit : 1ck = 69.84ns hd v1 v2 v3 v4 v1 v2 v3 v4 xsg1 xsg2 v1 v2 v3 v4 v1 v2 v3 v4 frame readout odd frame readout even field readout odd field readout even 578 3 36 36 36 36 22 3 36 33 3 36
KS7214 timing & sync. generator for b/w ccd * vertical ccd register driving pulse timing chart for hi8 ccir unit : 1ck = 70.48ns hd v1 v2 v3 v4 v1 v2 v3 v4 xsg1 xsg2 v1 v2 v3 v4 v1 v2 v3 v4 589 3 36 36 36 36 22 3 36 33 3 36 frame readout odd frame readout even field readout odd field readout even
KS7214 timing & sync. generator for b/w ccd field frame normal eia vertical timing chart at interlace 523 524 0 1 2 5 10 15 20 25 261 262 265 270 275 280 285 286 287 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2
KS7214 timing & sync. generator for b/w ccd normal ccir vertical timing chart at interlace 623 624 0 1 2 5 10 15 20 25 312 313 315 320 325 330 335 336 337 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2 field frame
KS7214 timing & sync. generator for b/w ccd hi8 eia vertical timing chart at interlace 523 524 0 1 2 5 10 15 20 25 261 262 265 270 275 280 285 286 287 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2 field frame
KS7214 timing & sync. generator for b/w ccd hi8 ccir vertical timing chart at interlace 623 624 0 1 2 5 10 15 20 25 312 313 315 320 325 330 335 336 337 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2 field frame
KS7214 timing & sync. generator for b/w ccd normal eia vertical timing chart at non - interlace 260 261 0 1 2 5 10 15 20 0 5 10 15 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2 field frame 20 25 25 261
KS7214 timing & sync. generator for b/w ccd normal ccir vertical timing chart at non - interlace 310 311 0 1 2 5 10 15 20 0 5 10 15 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2 field frame 20 25 25 311
KS7214 timing & sync. generator for b/w ccd hi8 eia vertical timing chart at non - interlace 260 261 0 1 2 5 10 15 20 0 5 10 15 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2 field frame 20 25 25 261
KS7214 timing & sync. generator for b/w ccd hi8 ccir vertical timing chart at non - interlace field frame 310 311 0 1 2 5 10 15 20 0 5 10 15 fld hd vd blk sg1 sg2 v1 v2 v3 v4 v1 v2 v3 v4 clp1 clp2 20 25 25 311
KS7214 timing & sync. generator for b/w ccd high speed phase timing chart osc h1 h2 pg shp shd ccd out
KS7214 timing & sync. generator for b/w ccd eia normal/hi8 window area total zone 100h ( 100.5h ) 80h ( 80.5h ) window zone 383ea ( 547ea ) 126h effect zone 36.5h ( 36h ) 55ea ( 113ea ) 64ea ( 96ea ) 10.76us 104ea ( 154ea )
KS7214 timing & sync. generator for b/w ccd ccir normal/hi8 window area total zone 130h ( 130.5h ) 105h ( 105.5h ) window zone 373ea ( 530ea ) 142h effect zone 40.5h ( 40h ) 55ea ( 113ea ) 64ea ( 96ea ) 11.70us 114ea ( 169ea )
KS7214 timing & sync. generator for b/w ccd appliation example eia normal auto iris mode application + 5v + 5v to processor ka7309 + 5v to ccd board + 5v KS7214 cp1o cp2o iris cp1(+) cp2(-) cp2(+) cp1(-) ka7309 100k w 1k w 1k w q1 ksc1623 q2 ksc1623 22k w 22k w 43k w 33k w 10k w 22k w 105 100k w + 5v + 5v oscillator frequency eia normal 19.06992mhz eia hiband 28.63636mhz ccir normal 18.93750mhz ccir hiband 28.37500mhz
KS7214 timing & sync. generator for b/w ccd appliation example (continued) r1 2.2k w 1.5 m f 100k w 103 153 2.7 m h c1 33pf c2 100pf 470 w 271 KS7214 vrn hrn ext1 ext2 mode ext1 ext2 vrn hrn comp.sync 0 1 - comp.sync line lock 1 0 60hz - sepa.sync 1 1 vd hd
KS7214 timing & sync. generator for b/w ccd package dimension 0~8 0.13 + 0.10 - 0.05 0.10 max 0.50 + 0.20 0.00 min 1.40 + 0.10 1.60 max 7.00 + 0.20 ( 0.75 ) 0.18 + 0.10 0.10 max 0.50 # 48 # 1 7.00 + 0.20 9.00 + 0.30 9.00 + 0.30 48-qfp-0707 unit : mm - - - - - - -

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