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VX6953CB датащи(PDF) 59 Page - STMicroelectronics |
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VX6953CB датащи(HTML) 59 Page - STMicroelectronics |
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59 / 107 page ![]() 8209023 Rev 5 59/107 VX6953CB Video timing CSI-2 maximum output frame rate in 5 Mpixel image Using 10-8 compression can be an option for the end user to increase the frame rate and keep a high quality image. There is no visible loss in using 10-8 compressed data format over RAW10 format. 1080p30 HD video format In order to achieve 1080p30, it is necessary to use CSI2 mode with RAW8 or 10-8 compressed data and profile 2 to enable derating. Table 38 provides examples of frame timing for 1080p30. Table 36. External clock frequency examples - 5.0 Mpixel 10-8 compressed 15 fps Ext Clk Freq Pre-PLL Clk Div PLL multiplier VT Sys Clk Div VT pixel Clk Div VT pixel clock OP Sys Clk Div OP pixel Clk Div OP pixel clock Line length Frame length MHz Integer Integer (Dec) Integer Integer MHz Integer Integer MHz Pixel Clks Lines (Dec) 9.60 1 66 1 7 90.5 1 8 79.2 3027 1996 12.00 2 106 1 7 90.9 1 8 79.5 3027 2002 13.00 2 98 1 7 91 1 8 79.63 3027 2004 Table 37. Example - 5.0 Mpixel 10-8 compressed 16.65 fps (CSI-2) Ext Clk Freq Pre-PLL Clk Div PLL multiplier VT Sys Clk Div VT pixel Clk Div VT pixel clock OP Sys Clk Div OP pixel Clk Div OP pixel clock Line length Frame length MHz Integer Integer (Dec) Integer Integer MHz Integer Integer MHz Pixel Clks Lines (Dec) 12.00 2 122 1 8 91.5 1 8 91.5 2750 1998 24.00 4 122 1 8 91.5 1 8 91.5 2750 1998 Table 38. External clock frequency examples - 1080x1920 in 10-8 bit @ 30fps (CCP) Ext Clk Freq Pre-PLL Clk Div PLL multiplier VT Sys Clk Div VT pixel Clk Div VT pixel clock OP Sys Clk Div OP pixel Clk Div OP pixel clock Line length Frame length MHz Integer Integer (Dec) Integer Integer MHz Integer Integer MHz Pixel Clks Lines (Dec) 12.00 2 122 1 8 91.5 1 8 91.5 2750 1108 24.00 4 122 1 8 91.5 1 8 91.5 2750 1108 |
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