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bu1427k / BU1427KV ??y??? ic ??? ntsc / pal ??? bu1427k / BU1427KV bu1427k, BU1427KV ?? yuv ???? ntsc / pal / pal60 x? y ? c ??Q ic ? ! ! ! ! ? ? ? ? video-cd ?? cd-g ! ! ! ! L L L L 13.5mhz ntsc / pal 14.318mhz ntsc 14.1875mhz pal ??``??? ntsc ` pal ` pal60 `??? ??``????``?? ????``Or?xk? ntsc / pal60 `xkr? 262 / 263 pal xkr? 312 / 313 ??? hsync vsync k???`?``????? hsync vsync ???``?`??axk? ???ki ntsc 3.579545mhz pal 4.43361875mhz ?`???? ccir-601 / 656 ?? ?? video y c dac 9bit dac ? dac 75 ? ??r 2v p-p rgb ????????? ? osd ?i?? 7 ? osd `? y U?? lpf on / off ? c U?? u vlpf ???? bpf i ?r interpolator-filter ????????? 5.0 g??M typ.0.4w y c off ??? rM? typ.0.25w master mode r i / o v dd 3.3v v dd 5.0v ????? hsy vsy 3.3v ? ????R 3.3v lsi direct ??A? osd clock 5.0v ?? slave mode r i / o v dd ??R?? v dd 0v ???? rgb data hsy vsy osd data active ?B???M 0 ??? iddpd 1.0 a ? base clk bclk ?? qfp-a64pin ??` (bu1427k) vqfp64pin ??` (BU1427KV)
bu1427k / BU1427KV ??y??? ic ! ! ! ! ~?? ~?? ~?? ~?? ta = 2 5 c parameter symbol limits unit 1c?y ???y -9s c? ?0? v dd , av dd v in tstg pd ? 0.5 ~ + 7.0 ? 0.3 ~ i o v dd + 0.3 ? 55 ~ + 150 1350 ? v v c mw ? ta = 25 c ? p?;b? ?xz 1 c tmv 11mw ?na?{ 120 140 1.0 mm ??3, x?
{ ? ?^?- ab??wpxk??d?{ ! ! ! ! ?X ?X ?X ?X ta = 2 5 c parameter symbol limits unit ?o?y ?o?y ??? h ??y c? ??? l ??y c? ??????y c? ?^9s v dd = av dd ? i o v dd v ih v il v ain topr v v v v v c ? v dd = av dd ps?mxi^m{ ? 25 ~ + 60 0 ~ av dd 0 ~ 0.8 2.1 ~ v dd 3.3 ~ 5.5 4.5 ~ 5.5 ! ! ! ! ?? ?? ?? ?? bosd gosd rosd osdsw test1, 2 addh int im[0, 1] yfilonb[1, 0] cdgswb pal60b ntb clksw latch y uv vclk rstb rgb rgb 24bits u,v filter y-filter mix sig and sink burst dac v y c vout yout cout c-filter y-level adj video timing control sub carrier burst generator burst sink blank bclk pixclk hsy vsy mode control field / flame control chroma gen yuv to osd palette
bu1427k / BU1427KV ??y??? ic ! ! ! ! h h h h pin no. z? ;y 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 29 30 31 32 bosd y0 / yuv0 y1 / yuv1 y2 / yuv2 y3 / yuv3 y4 / yuv4 y5 / yuv5 y6 / yuv6 gnd y7 / yuv7 uv0 uv1 uv2 uv3 osdsw cdgswb uv4 uv5 uv6 uv7 gnd ntb im0 im1 test1 test2 vsy hsy pixclk v dd i o v dd int osd blue data input yuv data bit0(lsb) yuv data bit1 yuv data bit2 yuv data bit3 yuv data bit4 yuv data bit5 yuv data bit6 digital ground yuv data bit7(msb) uv data bit0(lsb) uv data bit1 uv data bit2 uv data bit3 osd enable / disable select video-cd / cd-g uv data bit4 uv data bit5 uv data bit6 uv data bit7(msb) digital ground select ntsc / pal mode select yuv 16bit / yuv 8bit select dac / normal normally pull down to gnd select u / v timing v-sync input or output h-sync input or output 1 / 2 freq. of bclk digital v dd ? v dd for i / o interlace / non-interlace pin no. z? ;y 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 slabeb addh vref-c cgnd cout vgnd vout av ss p-v dd ir av dd ygnd yout v dd yfilon2 ycoff yfilon1b pal60b vclk rstb clksw rd0 rd1 rd2 rosd rd3 bclk / rd4 rd5 i o v dd rd6 rd7 gosd select master / slave + 0.5 / ? 0.5 line at non-inter dac bias chroma output ground chroma output composite output ground composite output analog ground (dac , vref) power(dac)v dd reference register analog(vref)v dd luminance output ground luminance output digital v dd y-fil sel throu / filon2 dac(yout , cout)off y-fil sel throu / filon1 normal / pal60 at pal mode video clock input normal / reset sel ? 1clk / ? 2clk pull down to gnd pull down to gnd pull down to gnd osd red data input pull down to gnd base clock out pull down to gnd v dd for i / o pull down to gnd pull down to gnd osdgreen data input ? ??? ? ?v?? 30k ? e
bu1427k / BU1427KV ??y??? ic ! ! ! ! pin. no z? i / o o ?sas?
$ z?
? 2 ~ 8 10 11 ~ 14 17 ~ 20 54 ~ 56 58 | 60 62 | 63 1 57 64 15 59 y / yuv [7 : 0] i i i i i i i i / o i / o i / o uv [0 : 7] rd [0 : 7] rosd gosd bosd osdsw bclk / rd4 yuv8bit ??w yuv ?????z?{ yuv16bit ??w.?????z?{ yuv | 16bit ??w u, v ?????z?{ connect to gnd o ? base clock out dac ?? mode x rd4 ?? osd ;?;w osd ?????z?{ osdsw z?u? h ?wz rosd z gosd z bosd z???u rgb t
?`o??? !?^??{ ??t??? yuv 8bit / yuv 16bit / dac ???
?????z?{ video-cd h z cd-g l t??w
~??q{ ntsc low z pal high t??w
~??q{
+?8 ??z?pz ??
qw hsync ?? ??? slabeb 1 low z?hx z ?b? slabeb 1 high { pixclk z?w?
{;?8 ??q`o ?????{
(?8 ?? vsync ??? slabeb 1 low z?hx z?b? slabeb 1 high 23 24 im0 im1 16 cdgswb 22 ntb 28 hsy 27 vsy
bu1427k / BU1427KV ??y??? ic pin. no z? i / o o ?sas?
$ z?
? 29 33 34 32 pixclk o i i i i o slabeb addh int o ? rg???u 1 / 2 *^?o z?^ ??{ \w???w?!=:p???x ???om?{ osd w ic ;w???q`o?;pv?b{ ????? high z?????? low w
~??q??oz?{ video-cd z cd-g wrj?wt??p?\ wz?x?{ ??t?? high z?t? ? low w
~??q??oz?{ ??????t??t?z? ????w?????ow???
: t0`oz ? 0.5 ??? low z + 0.5 ??? high ?
~??q?{ dac w z? ? 1lsb w z??v?> ??, j?y c
\s? monitor z?{ 0.01 f w cap ? 43pin av dd t ?z oxi^m{ s z?;w? z?z?{ 35 vref-c i dac w z? ? 1lsb w z??v?? ?z ?p
?z\wz??v???v p 1bit kh?w?v??
m?b?{ 42 ir 37 cout o ??? z?z?{ 39 vout o s z?;w???? z?z?{ 45 yout
bu1427k / BU1427KV ??y??? ic pin. no z? i / o o ?sas?
$ z?
? 48 49 51 ycoff i i i ?? yfilon1b yfilon2b vclk 52 i rstb 25 26 i test1 test2 50 i pal60b video-cd t??w, j???w??z ?{ 3aw s8=??o?????z?{ ? l ?p reset y-filter w f ??
?rb?{ pal / pal60 t??w
~??q??o{ ntb z?u? h ?wt?{ pal mode only vclk ??w???? 1 / 2 *`oo ? ???qb?t low z *`s mpo ????qb?t high ?
~??q?{ gnd z?t
?{ hi`z test2 z?x yuv16bit ??t u | v ?????????z?qb?\q upv?{ 9 21 36 38 40 44 ? gnd cgnd vgnd av ss ygnd ? ??? ?z??? ?w
??z?{ ??? ?z??? ?z i / o tmmow ?oz?{ ? ??? v dd { ??? ? ?v{ ? ? ???t??w
~??q ????z?z ? h ???p yout z cout z?w z?u |?^??{ 30 v dd 31 46 61 41 43 av dd i o v dd 53 i clksw
bu1427k / BU1427KV ??y??? ic ! ! ! ! ?>$?
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q ?>$?
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q?t|wsmv? ta = 2 5 c, v dd = av dd = 5.0v, gnd = av ss = vgnd = cgnd = ygnd ?? parameter symbol min. typ. max. unit conditions ?? *t
: 1 ?? *t
: 2 ????? ?^s??v 1 ?^s??v 2 z?? h ??y z?? l ??y ??? h ??y ??? l ??y ??? h ??v ??? l ??v fbst1 fbst2 cbst idd1 idd2 v oh v ol v ih v il i ih i il ? ? ? ? ? 4.0 ? 2.1 ? ? 10 ? 10 3.57954 4.43361 9 80 40 4.5 0.5 ? ? 0 0 ? ? ? ? ? ? 1.0 ? 0.8 10 10 mhz mhz cyc ma ma v v v v a a 27mhz color bar 27mhz color bar pd mode i oh = ? 2.0ma i oh = 2.0ma dac parameter symbol min. typ. max. unit conditions dac r ????a??? y ??????v y ??????v y ????v v ??????v v ??????v v ????v sleep mode ?v res el iyw iyb iyz iyw iyb iyz iddpd ? ? ? ? ? 10 ? ? ? 10 ? 9 0.5 25.14 7.24 0 25.14 7.24 0 ? ? 3.0 ? ? 10 ? ? 10 1.0 bits lsb ma ma a ma ma a a i r = 1.2k ? v in max. = i o v dd + 0.3v, v in min. =? 0.3v ! ! ! ! h h h h (1) ? bu1427k, BU1427KV ? 8bit ?????` ntsc ? pal pal60 ?`??? 9bit ???? vout x?? yout ??? cout Q?????? ? vout ?????^???????x?????????^x? ?^?x???xk????????Nxk?? yout ? ????^???m? cout ??????^???? ????????`???????`?``???^ ??|?F?? ???`? video-cd cd-g ?`??????? tv ?? ntsc pal pal60 Q??``????``Q?? vclk ??`???``??????? ? `??`??? 1 / 2 ??????`?z?I?? ?`????????`?z?I?? ?`?`???? yuv 8bit yuv 16bit ?????? yuv0 7 uv0 7 ? ??`???xk? im0 im1 Q? osdsw ????`?? h ?? rosd gosd bosd ??` ??? 7 ? \
bu1427k / BU1427KV ??y??? ic 8 ???`?????r pixclk ??? 1 / 2 ? ???? osd ic ?? pixclk ? blk ? osdsw ?? ? g? bu1427k, BU1427KV osd ic ???? F ? osd ?? ? ??`? yuv ccir-601 ?`??? ??? yuv Q? yuv ?` ntsc pal pal60 ? 100ire ???? u, v ?`??k? ? { ?????? `?? K ? ??? ????? ?`???????? ntsc pal ????x?????? 9bit dac ??? rs-170a ??r ?`???? dac ?? 2 ??? ? p ?? ?x?????? off ????rM p ??? dac ????? ir ? ? ? vout ?? ? ? 75 ? 2.0v p-p ? ?????????? 75 ? K ??A ? 100 s 1.0v p-p ?R??? (2) yuv16 `? bu1427k, BU1427KV ?? im0 ? 23pin h O???? yuv16bit ?`???? ?? r te s t 2 ? 26pin h / l ?? u, v timing n??? ? ? ? y1 y2 y3 y4 y5 u1 v1 u3 v3 u5 fig.1 y test[2] = ? l ? yuv ??????? 0 1 2n 2n + 1 bclk hsy(in e hsy(out) y-data u , v data y1 y2 y3 y4 y5 u1 v1 u3 v3 u5 fig.2 y test[2] = ? h ? yuv ??????? 0 1 2n 2n + 1 hsy(in) hsy(out) y-data u , v data bclk
bu1427k / BU1427KV ??y??? ic (3) yuv8 ccir656 `? bu1427k, BU1427KV ?? im0 ? 23pin l O???? yuv8bit ?`???? ?? r te s t 2 ? 26pin h / l ?? y u v timing n??? ? ? ? u1 y1 v1 y2 u2 y3 v2 y4 01 4(n ? 1) + 3 4n 4n + 14n + 24n + 3 vclk bclk hsy(in) hsy(out) y , u , v-data fig.3 y test[2]= ? l ? yuv ??????? u1 y1 v1 y2 u2 y3 v2 y4 01 4(n ? 1) + 1 4(n ? 1) + 2 4(n ? 1) + 3 4n 4n + 14n + 24n + 3 fig.4 y test[2] = ? h ? yuv ??????? vclk bclk hsy(in) hsy(out) y , u , v-data
bu1427k / BU1427KV ??y??? ic ! ! ! ! 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 osdsw osdsw bd3 bd2 bd1 bd0 gd7 gnd gd6 gd5 gd4 gd3 gd2 gd1 gd0 bosd slabeb addh vref cgnd cout vgnd vout av ss p-v dd ir av dd ygnd yout v dd yfilon2b ycoff bd4 bd5 bd6 bd7 gnd ntb im0 im1 test1 test2 vsy hsy pixclk v dd i / o v dd int gosd rd7 rd6 i / o v dd rd5 bclk rd3 rosd rd2 rd1 rd8 clksw rstb vclk pal60b yfilon1b bu1427k / BU1427KV a-v dd p-v dd p-gnd a-gnd 0.01 f 1.2k 75 75 75 luminance composite chrominance osd clock digital-gnd hsync in vsync in interlace / non-inter pal / ntsc video-cd / cd-g osd enable bclk digital-v dd y-filter select pixel clock in reset[low active] in osd in [blue] osd in [green] osd in [red] y / u / v data 0...7 76543210 7 6 5 3 2 1 0 fig.5
bu1427k / BU1427KV ??y??? ic ! ! ! ! ? ? ? ? ? units : mm qfp-a64 bu1427k BU1427KV vqfp64 48 33 32 17 16 1 49 64 10.0 0.2 12.0 0.3 10.0 0.2 12.0 0.3 0.2 0.1 0.1 0.5 0.125 0.1 0.5 0.1 0.1 1.4 0.1 0.15 0.1 48 33 32 17 49 64 1 16 14.0 0.2 16.4 0.3 14.0 0.2 0.35 0.1 0.05 0.5 16.4 0.3 0.8 2.7 0.1 0.15

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