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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) 184 Page - List of Unclassifed Manufacturers |
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MFC2000 датащи(HTML) 184 Page - List of Unclassifed Manufacturers |
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184 / 426 page  MFC2000 Multifunctional Peripheral Controller 2000 Hardware Description 7-36 Conexant 100723A Manufacturer NEC Interface: Part # •PD3794 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 4 MHz (max) •1 Shift register clock 1 clk2b Main clock ‘H’ duty •2 Shift register clock 2 clk2c Timing: dotscaler_ctr ihsclk dotperiod_ctr 0 4 0 50 ns start[0] LineTime =1 ms scanin SigTime = 0.675 ms LEDCtrl[0] can be modulated envelope of analog signal pixel counter 0 2700 1 2 3 4 0 1 2 3 4 3936 ExpTime = ~1 ms 14 dummy + 48 black + 2 invalid pixels clk1 5000 ns (guardband) 250 ns start[0] 1000 ns (offset) 1000 ns 3000 ns (length) LEDCtrl[2:1] 2 3 1 0 1 2 3 4 3904 clk2a clk2b PixelTime = 250 ns clk2c Figure 7-19. Untitled Timing Diagram |
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