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VG6640 数据表(PDF) 42 Page - STMicroelectronics |
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VG6640 数据表(HTML) 42 Page - STMicroelectronics |
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42 / 126 page  Control interface VG6640, VD6640 42/126 DocID023597 Rev 11 4.2.7 User interface set 0 registers [0x2124 to 0x2286] Two user interface register sets are provided to allow frame-by-frame context switching of exposure, frame length, HDR merge, defect correction, PWL compression parameters and statistics accumulation. While one frame is being streamed using the active context settings, new settings may be programmed to the non-active context, ready for use by the next frame. These settings must be written with the grouped_parameter_hold flag set. The status of the integration and gain registers is reported in the frame status line. Table 12. User interface set 0 Video timing registers [0x2124 to 0x2132] Index Byte Register name Data type Default Type Comment 0x2124 TokenId 8UI 0x01 RW Token ID used for identification of this UI Set 0x2125 HI CoarseTimeLong 16UI 0x03 RW Coarse integration time for long pipe (lines) Min = 0 lines Max = framelength_lines - 115 0x2126 LO 0x5D 0x2127 HI CoarseTimeMedium 16UI 0x00 RW Coarse integration time for medium pipe (lines) Min = 0 lines Max = 96 0x2128 LO 0x35 0x2129 HI CourseTimeShort 16UI 0x00 RW Coarse integration time for short pipe (lines) Min = 0 lines Max = 13 0x212A LO 0x03 0x212B AnalogGain 8C 0x00 RW Global analog gain (coded) 0x00 = Gain x1.0 (+0dB) 0x01 = Gain x1.07 (+0.6dB) 0x02 = Gain x1.1 (+1.2dB) 0x03 = Gain x1.2 (+1.8dB) 0x04 = Gain x1.3 (+2.5dB) 0x05 = Gain x1.5 (+3.3dB) 0x06 = Gain x1.6 (+4.1dB) 0x07 = Gain x1.8 (+5.0dB) 0x08 = Gain x2.0 (+6.0dB) 0x09 = Gain x2.3 (+7.2dB) 0x0A = Gain x2.7 (+8.5dB) 0x0B = Gain x3.2 (+10.1dB) 0x0C = Gain x4.0 (+12.0dB) 0x0D = Gain x5.3 (+14.5dB) 0x0E = Gain x8.0 (+18.0dB) 0x0F = Gain x16.0 (+24.0dB) |
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