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MT9V032 Datenblatt(PDF) 24 Page - ON Semiconductor |
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MT9V032 Datenblatt(HTML) 24 Page - ON Semiconductor |
24 / 61 page MT9V032 www.onsemi.com 24 Table 8. REGISTER DESCRIPTIONS 0X32 (50) V2 CONTROL 4:0 V2 voltage level V_Step = bits (4:0) x 62.5mV + 0.5625V. Range: 0.5625 − 2.5V; Default: 2.0625V. Usage: V_Step2 HiDy voltage. 18 (24) N 0–31 W 0X33 (51) V3 CONTROL 4:0 V3 voltage level V_Step = bits (4:0) x 62.5mV + 0.5625V. Range: 0.5625 − 2.5V; Default: 1.875V. Usage: V_Step3 HiDy voltage. 15 (21) N 0–31 W 0X34 (52) V4 CONTROL 4:0 V4 voltage level V_Step = bits (4:0) x 62.5mV + 0.5625V. Range: 0.5625 − 2.5V; Default: 0.8125V. Usage: V_Step HiDy parking voltage, also provides anti− blooming when V_Step is disabled. 4 N 0–31 W 0X35 (53) ANALOG GAIN 6:0 Analog Gain Analog gain = bits (6:0) x 0.0625 for values 16–31 Analog gain = bits (6:0)/2 x 0.125 for values 32–64 For values 16–31: each LSB increases analog gain 0.0625v/v. A value of 16 = 1X gain. Range: 1X to 1.9375X For values 32–64: each 2 LSB increases analog gain 0.125v/v. Range: 2X to 4X. An LSB increase of 1 will not increase the gain; the value must be incremented by 2 No exception detection is installed and caution should be taken when programming 10 (16) Y 16–64 W 0X36 (54) MAXIMUM ANALOG GAIN 6:0 Maximum Analog Gain This register is used by the automatic gain control (AGC) as the upper threshold of gain. This ensures the new calibrated gain value does not exceed that which the MT9V032 sup- ports. Range: 16dec–64dec for 1X–4X respectively. Note: No ex- ception detection is installed; caution should be taken when programming. 40 (64) Y 16–64 W 0X42 (66) FRAME DARK AVERAGE 7:0 Frame Dark Average The value read is the frame averaged black level, that is, used in the black level algorithm calculations. 0 R 0X46 (70) DARK AVERAGE THRESHOLDS 7:0 Lower threshold Lower threshold for targeted black level in ADC LSBs. 1D (29) N 0–255 W 15:8 Upper threshold Upper threshold for targeted black level in ADC LSBs. 23 (35) N 0–255 W 0X47 (71) BLACK LEVEL CALIBRATION CONTROL 0 Manual Override Manual override of black level correction. 1 = Override automatic black level correction with pro- grammed values. (R0x48). 0 = Normal operation (default). 0 N 0, 1 W 7:5 Frames to average over Two to the power of this value decide how many frames to average over when the black level algorithm is in the aver- aging mode. In this mode the running frame average is calculated from the following formula: Running frame ave = Old running frame ave − (old running frame ave)/2n + (new frame ave)/ 2n. 4 N 0–7 W 15:8 Reserved Reserved. 80 (128) 0X48 (72) BLACK LEVEL CALIBRATION VALUE |
Ähnliche Teilenummer - MT9V032_17 |
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Ähnliche Beschreibung - MT9V032_17 |
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