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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MFC2000 датащи(PDF) 182 Page - List of Unclassifed Manufacturers |
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MFC2000 датащи(HTML) 182 Page - List of Unclassifed Manufacturers |
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182 / 426 page  MFC2000 Multifunctional Peripheral Controller 2000 Hardware Description 7-34 Conexant 100723A Manufacturer NEC Interface: Part # •PD3724 Scanner Description MFC2000 Type CCD LED control LEDCtrl[0] Resolution 300 dpi •TG[3:1] Start pulse start[0] Pixels 2700 x 3 SEL1 Color selector1 LEDCtrl[1] Scan time (color) SEL2 Color selector2 LEDCtrl[2] Scan time (B/W) •RB Reset clock clk2a Data Rate 3 MHz (max) •1, •1L Shift register clock 1 clk1 Main clock ‘H’ duty 50 % •2•••2L Shift register clock 2 clk1 Timing: dotscaler_ctr ihsclk dotperiod_ctr 0 6 0 clk1 50 ns start[0] LineTime =1.5 ms scanin SigTime = 0.945 ms LEDCtrl[0] can be modulated envelope of analog signal pixel counter 0 2700 PixelTime = 350 ns 1 2 3 4 5 6 0 1 2 3 4 4285 ExpTime = 1.48 ms 5 6 inv(clk1) clk2a 14 dummy + 49 black + 2 invalid pixels 4224 0 clk1 3150 ns (guardband) 350 ns start[0] 1050 ns (offset) 1050 ns 1050 ns (length) LEDCtrl[2:1] 2 3 1 Figure 7-18. Untitled Timing Diagram |
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