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DM164 Datasheet(PDF) 25 Page - Silicon Touch Technology Inc. |
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DM164 Datasheet(HTML) 25 Page - Silicon Touch Technology Inc. |
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25 / 30 page  點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. DM164 8x3-CHANNEL CONSTANT CURRENT LED DRIVERS Version:A.002 Page 24 d) Power-on Reset Suggestion The DM164 doesn’t built-in automatic power-on reset function. In order to make sure the DM164 can work normally after the power-on situation. Users can add an LTH pulse before normal operation, like Figure 15 shows. a. D&G Mode First MSEL DIN DCK (DCKPH=L) D&G[191] LTH 1 192 DCK (DCKPH=H) 1 192 At Least 10 GCK Latencies GD[383] 1 GD Mode 384 1 384 10 GCK Latencies 2 2 2 2 D&G Mode VDD POWER-ON NORMAL OPERATION … … … … GCK … D&G[190] D&G[0] GD[382] GD[0] EN_B b. GD Mode First MSEL DIN DCK (DCKPH=L) GD[383] LTH 1 384 DCK (DCKPH=H) 1 384 At Least 10 GCK Latencies D&G[191] 1 D&G Mode 192 1192 10 GCK Latencies 2 2 2 2 GD Mode VDD POWER-ON NORMAL OPERATION … … … … GCK … GD[382] GD[0] D&G[190] D&G[0] VDD Figure 15. Power-on Reset Suggestion Timing Diagram |
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