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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SAA5281ZP датащи(PDF) 3 Page - NXP Semiconductors |
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SAA5281ZP датащи(HTML) 3 Page - NXP Semiconductors |
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3 / 48 page  1996 Nov 04 3 Philips Semiconductors Preliminary specification Integrated Video input processor and Teletext decoder (IVT1.8*) SAA5281 BLOCK DIAGRAM Fig.1 Block diagram; pin numbers for DIP48 (SOT240-1). handbook, full pagewidth MBD783 ANALOG REFERENCE GENERATOR ANALOG TO DIGITAL CONVERTER INPUT CLAMP AND SYNC SEPARATOR ANALOG OUTPUT BUFFER 27 MHz CLOCK GENERATOR 7 8 12 36 2 3 37 11 4 DISPLAY CLOCK PHASE-LOCKED LOOP 13 TELETEXT OR VPS CONTROL DATA SLICER AND CLOCK REGENERATOR 14 25 5 TIMING CHAIN 44 SERIAL-TO -PARALLEL CONVERTER TELETEXT AQUISITION AND DECODING VPS ACQUISITION AND DECODING INTERFACE I C-BUS 2 23 24 24 TO 18 HAMMING DECODER PACKET 26 PROCESSING ENGINE 21 POWER-ON RESET DRAM REFRESH AND TIMING 8K x 8 DRAM DISPLAY 22 19 20 18 15 16 17 110 VDD1 VDD2 Y BLAN COR RGBREF RG B ODD/EVEN (or DV) REF IREF 6 9 VSS1 CVBS BLACK STTV/LFB VSS2 VSS3 CLK EN OSCOUT OSCIN OSCGND CLK O/P POL VCR/FFB LINE 23 SDA SCL SAA5281 MEMORY INTERFACE |
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