product brief 1 fn#. date caution: these devices are sensitive to electrostatic discharge; follow proper ic handling procedures. 1 - 888 - intersil or 1 - 888 - 468 - 3774 | copyright intersil americas inc. 2010. all rights reserved intersil (and design) is a trademark owned by intersil corporation or one of its subsidiaries. all other trademarks mentioned are the property of their respective owners. t e c h w e l l ntsc/pal/secam video decoder with component input and progressive output support TW9912 features video decoder ? ntsc (m, 4.43) and pal (b, d, g, h, i, m, n, n combination), pal (60), secam support with automatic format detection ? software selectable analog input control ? built - in analog anti - alias filter. ? fully programmable static gain or automatic gain control for t he y channel ? programmable white peak control for the y channel ? 4 - h adaptive comb filter y/c separation ? pal delay line for color phase error correction ? image enhancement with peaking and cti. ? digital sub - carrier pll for accurate color decoding ? digital hori zontal pll for synchronization processing and pixel sampling ? advanced synchronization processing and sync detection for handling non - standard and weak signal ? programmable hue, brightness, saturation, contrast, and sharpness. ? automatic color control and col or killer ? chroma if compensation ? detection of level of macrovision copy protection ? vbi slicer supporting cc and wss data services ? vbi data pass through, raw adc data output programmable output cropping analog video input ? triple 10 - bit adcs with independent clamping and gain control ? supports 480i/480p/576i/576p analog component input with sog digital output ? itu - r 656 compatible ycbcr(4:2:2) output format ? progressive itu - r 656 output format support for both interlaced and progressive inputs. miscellaneous ? two wire mpu serial bus interface ? power save and power down mode ? low power consumption ? single 27mhz crystal for all operations ? supports 24.54mhz and 29.5mhz crystal for high resolution square pixel format decoding ? 3 .3 v tolerant i/o ? 1.8v/3.3 v power supply ? 48pin qfn packag e www.datasheet.co.kr datasheet pdf - http://www..net/
TW9912 2 order information package description part # name description pin count body size TW9912 - dbna1 - gr qfn 48 quad flat no - lead package 48 7 x 7 mm^2 www.datasheet.co.kr datasheet pdf - http://www..net/
TW9912 3 functional description figure 1: TW9912 block diagram rstb sog component processing analog video in triple 10 - bit afe 4h adaptive comb filter chroma demodulation luma/chroma processing sync processor video interface vbi slicer 2 wire serial bus cin1 - 0 yin3 - 0 mpout clkx2 vsync hsync vd[7:0] vin 0 sclk sdat u v pll pdn clock 27 mhz y line - lock clock generator www.datasheet.co.kr datasheet pdf - http://www..net/
TW9912 4 pin diagram 48 pin qfn avspl avdpl nc vsin hsin test vdd vss vso hso mpout vsse vdde clk vd7 vd6 vd5 vd4 nc vd3 vd2 vd1 vd0 vsse sog avsad cin1 cin0 yout/yin3 yin2 yin1 yin0 vin1 vin0 avdad nc tmode siad pdn sda scl nc vdd vss xti xto rst vdde TW9912 48 47 46 45 44 43 42 41 40 39 38 37 37 36 35 34 1 2 3 4 5 6 7 8 9 10 11 12 36 35 34 33 32 31 30 29 28 27 26 25 13 14 15 16 17 18 19 20 21 22 23 24 www.datasheet.co.kr datasheet pdf - http://www..net/
TW9912 5 pin description pin# i/o pin name description analog video signals 1 i sog sync - on - green input for use with 480p/576p input 3 i cin1 analog chroma input. connect unused input to agnd through 0.1uf capacitor. 4 i cin0 analog chroma input. connect unused input to agnd through 0.1uf capacitor. 5 i/o yout /yin3 analog cvbs or y input. connect un used input to agnd through 0.1uf capacitor. in output mode, it outputs selected y input. 6 i yin2 analog cvbs or y input. connect un used input to agnd through 0.1uf capacitor. 7 i yin1 analog cvbs or y input. connect un used input to agnd through 0.1uf capacitor. 8 i yin0 analog cvbs or y input. connect un used input to agnd through 0.1uf capacitor. 9 i vin1 analog cr input. connect unused input to agnd through 0.1uf capacitor. 10 i vin0 analog cr input. connect unused input to agnd through 0.1uf capacitor. clock signals 21 i xti clock input . a 27m h z fundamental (or 3 rd overtone) crystal or a single - ended oscillator can be connected. 22 o xto c lock output or used with xti for form the crystal oscillator. host interface 17 i sclk the mpu serial interface clock line. 16 i/o sdat the mpu serial interface data line. 14 i siad the mpu serial interface address selection. general signals 23 i rstb low active hardware reset pin 15 i pdn high active power down control pin. 13 i tmode test mode control pin. should be tied to gnd for normal operation. 43 i test test mode control pin. should be tied to gnd for normal operation. 44 i hsin reserved for test purpose 45 i vsin reserved for test purpose. video output signals 38 o mpout multi - purpose output pin. the output function can be selected by rtsel of register 0x19 39 o hsync horizontal sync and multi - purpose output pin. see register for control information. 40 o vsync vertical sync and multi - purpose output. see register for control information. 35 o clko data clock output. see register for control information. www.datasheet.co.kr datasheet pdf - http://www..net/
TW9912 6 pin# i/o pin name description 34 33 32 31 29 28 27 26 i/o vd[7 - 0] digitized video data output of 4:2:2 ycbcr. vd[7] is the msb. 12,18,30,46 nc no connection power and ground pins pin# i/o pin name description 19,42 i vdd 1.8v digital core power. 20,41 i vss 1.8v digital core return 25, 36 i vdd33 3.3v digital i/o power. 24, 37 i vss33 3.3v digital i/o return 11 i avd 1.8v analog adc supply 2 i avs 1.8v analog adc return 47 i avdpll 1.8v pll supply 48 i avspll 1.8v pll return www.datasheet.co.kr datasheet pdf - http://www..net/
TW9912 7 mechanical data 48 pin qfn www.datasheet.co.kr datasheet pdf - http://www..net/
TW9912 8 notes: 1. all dimensions are in millimeters. 2. dimension applies to plated terminal and is measured between 0.20 and 0.25mm from terminal tip. 3. package warpage max 0.08mm. 4. package corners unless otherwise specified are r0.175 ? 0.025mm symbol millimeter inch min nom max min nom max a --- --- 0.90 --- --- 0.035 a1 0.00 0.01 0.05 0.00 0.0004 0.002 a2 --- 0.65 0.70 --- 0.026 0.028 a3 0.2 ref. 0.008 ref. b 0.20 0.25 0.32 0.008 0.010 0.013 d 7.00 bsc. 0.276 bsc. d1 6.75 bsc. 0.266 bsc. d2 5.00 5.20 5.40 0.197 0.205 0.213 e 7.00 bsc. 0.276 bsc. e1 6.75 bsc. 0.266 bsc. e2 5.00 5.20 5.40 0.197 0.205 0.213 l 0.30 0.40 0.50 0.012 0.016 0.020 e 0.50 bsc. 0.020 bsc. ? ? ? ? ? www.datasheet.co.kr datasheet pdf - http://www..net/
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