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OV6630 Datasheet(PDF) 13 Page - List of Unclassifed Manufacturers |
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OV6630 Datasheet(HTML) 13 Page - List of Unclassifed Manufacturers |
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13 / 29 page  SINGLE IC CMOS COLOR AND B/W DIGITAL CAMERAS March 4, 2000 Version 1.0 13 FREX DATA OUTPUT HSYNC VSYNC ARRAY PRECHARGE HREF Invalid Data T SET T HD 1 Frame (292 Lines) Valid Data Mechanical Shutter Off T IN Array Exposure Period T EX Precharge begins at the rising edge of HSYNC T PR Array Precharge Period T PR Head of Valid Data (8 Lines) Next Frame T HS Black Data Note: T PR=292 x 4 x TCLK. TCLK is internal pixel period. TCLK=112ns if the system clock is 17.73MHz. TCLK will increase with the clock divider CLK[5:0]. T EX is array exposure time which is decided by external master device. T IN is uncertain time due to the using of HSYNC rising edge to synchronize FREX. TIN < THS. There are 8 lines data output before valid data after FREX=0. T HD=4 THS. Valid data is output when HREF=1. T SET=TIN + TPR + TEX. TSET > TPR + TIN. The exposure time setting resolution is THS (one line) due to the uncertainty of T IN. Figure 7. Frame Exposure Timing |
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