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HCMS-2913 数据表(PDF) 12 Page - Agilent(Hewlett-Packard) |
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HCMS-2913 数据表(HTML) 12 Page - Agilent(Hewlett-Packard) |
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12 / 16 page ![]() 12 ↑ Bit D 7 On-Time Duty Relative Set Low PWM Brightness Oscillator Factor Brightness to Select Control Cycles (%) (%) Control Word 0 LLLL 0 0 0 L L L H 1 0.2 1.7 L L H L 2 0.4 3.3 L L H H 3 0.6 5.0 L H L L 4 0.8 6.7 L H L H 5 1.0 8.3 L H H L 7 1.4 11.7 L HHH 9 1.8 15 H L L L 11 2.1 18 H L L H 14 2.7 23 HL HL 18 3.5 30 H L H H 22 4.3 37 H H L L 28 5.5 47 H H L H 36 7.0 60 HHH L 48 9.4 80 HHHH 60 11.7 100 Table 2. Control Shift Register CONTROL WORD 0 LD 6 D 5 D 4 D 3 D 2 D 1 D 0 Peak Current Typical Peak Relative Full Brightness Pixel Current Scale Current Control (mA) (Relative Brightness, %) H L 4.0 31 L H 6.4 50 L L 9.3 73 (Default at Power Up) H H 12.8 100 SLEEP MODE L – DISABLES INTERNAL OSCILLATOR-DISPLAY BLANK H – NORMAL OPERATION Serial/Simultaneous Data Out L – D out holds contents of Bit D7 H – D out is functionally tied to Din External Display Oscillator Prescaler L – Oscillator Freq ÷ 1 H – Oscillator Freq ÷ 8 ↑ Bit D 7 Set High to Select Control Word 1 Reserved for Future Use (Bits D 2-D6 must be set Low) CONTROL WORD 1 H LLLLL D 1 D 0 |
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