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SAA5249 Datasheet(PDF) 3 Page - NXP Semiconductors |
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SAA5249 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 44 page 1996 Nov 07 3 Philips Semiconductors Preliminary specification Integrated VIP and Teletext with Background Memory Controller SAA5249 BLOCK DIAGRAM Fig.1 Block diagram for SOT240-1 (DIP48) package. handbook, full pagewidth PAGE MEMORY I C - BUS INTERFACE 2 DISPLAY CLOCK PHASE LOCKED LOOP INPUT CLAMP AND SYNC SEPARATOR BACKGROUND MEMORY CONTROL TELETEXT ACQUISITION AND DECODING TIMING CHAIN CRYSTAL OSCILLATOR DATA SLICER AND CLOCK REGENERATOR DRAM INTERFACE DISPLAY MUX SEL2 SEL1 V SS1 REF+ OSCOUT OSCIN GNDO BLACK IREF STTV/LFB POL SDA SCL R/G/B Y BLANK RGBREF CAS0 RAS R/W CAS1 ODD/EVEN VCR/FFB COR SSn V DCVBS VDD2 DD1 V SAA5249 MLB304 CVBS ANALOG TO DIGITAL CONVERTER A0 to A9 D0 to D3 31 30 911 10 13 15 14 7 8 4 5 6 46 45 3 12 16, 22 38 42 4 3 10 23 24 41 29 21 27 20 17 to 19 28 HAMMING CHECKER AND PACKET 26 PROCESSING ENGINE |
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