t ech w ell t ech w ell l cd displa y p r o c essors l cd displa y p r o c essors t ar g et a pplica tions t ar g et a pplica tions t echw ell? s t w8806 l cd displa y pr o c essor is a lo w c ost high qualit y tft panel c ontr oller with an embedded nt sc/p al/secam t v dec oder . t his unique lev el of mix ed signal int egr ation enables the panel t o b e used as a stand-alone l cd displa y f or in car ent er tainment , por table dvd and por table l cd t v applications . an int egr at ed triple analog-t o-digital c on v er t er suppor ts ypbp r/rgb c omponent input and allo w s dir ec t c onnec tion t o d vd and n a vigation sour c es . in addition, flexible digital inputs suppor ts 24bit digital r gb and 8/16/24-bit y cbcr inputs . t he t w8806 c ontains all the logic r equir ed t o c on v er t standar d t v , dt v , and pc monit or signals t o the digital c ontr ol and data signals r equir ed t o driv e v arious tft panel t ypes . i t suppor ts tft panel r esolutions t he chip has nine analog inputs . t his enables a number of input c ombinations simultaneously . f or example , the chip can acc ept up 4 cvbs inputs simultaneously . t he chip c an also acc ept one cvbs, one s-v ideo , one t he int egr a t ed analog fr ont-end c ontains thr ee adcs with thr ee clamping cir cuits and one a ut omatic g ain c ontr ol (a gc) cir cuit t o minimiz e e x t ernal c omponent c ount. i t emplo ys a 4h, 5-line adaptiv e c omb filt er and pr oprietar y y/c pr oc essing t echnologies t o pr oduc e e x c eptionally high t he chip's int ernal logic synchr oniz es the panel fr ame r at e t o the inc oming input fr ame r at e . a high qualit y image-scaling engine is used t o c on v er t the lo w er r esolution f ormats or high r esolution dt v f ormats t o the output panel r esolution. a n int ernal de-int erlacing engine also allo w s int erlac ed on scr een displa y is suppor t ed thr ough an on-chip osd ram f or maximum flexibilit y . a closed c aption dec o der is built in. t he t w8806 also acc epts a 24 bit digital rgb input fr om ex t ernal p anellinktm r ec eiv er or adcs f or use as c omput er monit or . in addition, it acc epts 8/16/24 bits digital y cbcr input f or use with ex t ernal adcs f or use t he t w8806 also suppor ts tft panel p o w er sequencing , dpms ( vesa tm displa y p o w er m anagement signaling) signaling and p o w er management. t he c ontr ol int er fac e is a 2-wir e serial bus int er fac e . t he t w8806 c or e oper at es at 1.8 v , the io at 3.3 v and pack aged in a 128-pin pqfp pack a ge . t w8806 t w8806 p or table t v rear seat car display portable dvd navigation + dvd door phone dmb tv in flight display l cd d ispla y p r oc essors with built-in v ideo d ec o der and t-c on l cd d ispla y p r oc essors with built-in v ideo d ec o der and t-c on f ea tur es f ea tur es qualit y pic tur es . v i d e ot ob es u p p o r t e d . int egr at ed high per f ormanc e nt sc/p al/secam video dec oder built in high qualit y d e-int erlacing engine black / whit e / blue str et ch f or higher c ontr ast f a v orit e c olor enhanc ement int egr at ed timing c ontr oller ( t-c on) with digital and analog panel suppor t qvga up t o wx ga panel r esolution suppor t l o w p o w er c onsumption (600 mw ) small f orm fac t or 1 28-pin pqfp video dec o der and p r o c essing video dec o der and p r o c essing t hr ee 9-bit adcs and analog clamping cir cuit fully programmable static gain or automatic gain control for the y or cvbs channel programmable white peak control for the y or cvbs channel software selectable analog inputs allows any of the following combinations: up to 4 composite video up to 2 s-video 1 ypbpr component 1rgb 4-h adaptive comb filter y/c separation image enhancement with 2d dynamic peaking and cti programmable hue, brightness, saturation, contrast, sharpness, gamma control, and noise supression detection of level of copy protection according to macrovision standard buffered cvbs output up t o 1280 b y 768 with 1-pix el/clock f ormats . as dt v monit or . techwell display c omponent and one analog r gb simultaneously .
t ech w ell l cd d ispla y p r o c essor l cd d ispla y p r o c essor about t echw ell t echw ell is a fabless semic onduc t or c ompan y that designs , mark ets and sells mix ed signal int egr at ed cir cuits f or multiple digital video applications in the c onsumer , securit y sur v eillanc e and aut omotiv e mark ets , including adv anc ed t vs , multifunc tion l cd monit ors , d vd rec or ders , securit y sur v eillanc e syst ems and in-car l cd displa ys . f ounded in 1997, w e curr ently ha v e o v er 80 emplo y ees and ar e headquar t er ed in s an jose , c alif ornia, with additional r&d and sales ac tivities in south k or ea, japan, t aiwan and china. nasda q: t wll t w8806 l cd d ispla y p r oc essor with built-in v ideo d ec o der and t-c on 24bit digital rgb and 8/16/24-bit y cbcr inputs allo ws c onnec tion t o analog pc gr aphics c ar ds with the addition of a 3 channel a/d c on v er t er f or up t o wx ga r esolution allo ws y cbcr digital c omponent input f or dt v 480p , 720p , 1080i f or c onnec tion t o digital pc gr aphics car ds (with the addition of a p anellinktm d vi int er fac e r ec eiv er) tft p anel suppor t suppor ts digital and analog l cd panels suppor ts a wide v ariet y of ac tiv e matrix tft panels one pix el per clock suppor ts panel with r esolution up t o wx ga (1280 x 768) suppor ts 3, 4, 6 or 8 bits p er pix el up t o 16.8 million c olors t iming c on tr oller ( t c on) suppor t pr o gr ammable int er fac e signals f or c ontr ol c olumn(sour c e) driv er / r o w(gat e) driv er suppor t analog r gb output p r ogr ammable vc om output dual channel char ge pump output with back sensing m isc ellaneous suppor ts 2-wir e serial bus int er fac e spr ead spec trum pll 5v t o ler a nt i/o p o w er-do wn mode t ypical po w er c onsumption 400 mw single 27mhz cr ystal 128-pin pqfp pack age t w8806 block diagr am cin0 cin1 mux 3 x an a log fron tend yuv proce s sing vin1 yin0 yin1 yin2 yin3 mux s y n c proce s so rs c hroma d emodulation dtvclk dtvvs dtvhs dtvde dtvd [23:0] coast dtv i/f 4h adap t ive comb fi lt er mu x co lorm a tri x l i n e b u ffe rs s c a ler/de i n te rlace r ima g e enh a n cem e n t ga m m a/dithe r i n p u t fo rmat m e a su re m e n t p a n e lt imingg e n e rator 2w i re ser ia lb u s mux a l p h ab len d i n g o s d fpr [ 7:0 ] fpg [7:0] fpb [7:0] fpvs fphs fpde fpclk fppwc fpbias mc sda mc scl mc sia spead spectrum pll t c o n tcon signals triple dac rout gout bout reg i s te rs cin2 pll sog sync a nalog rgb / y cbcr inputs allo w dir ec t c onnec tion t o analog r gb or y cbcr input up t o wvga or 480p r esolution built-in pll suppor t f or embedded or separ a t ed sync input measur ement suppor t vin0 mux
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