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SC2128C-D43D Datasheet(PDF) 7 Page - Silan Microelectronics Joint-stock |
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SC2128C-D43D Datasheet(HTML) 7 Page - Silan Microelectronics Joint-stock |
7 / 13 page Silan Semiconductors SC2128C HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.1 2001.09.26 7 * Four LEDs (Tb0, Tb1, Tb2, Tb3) are used to indicate the off-timer period. Depending on the base timer step option, timer step may be 0.5 hour or 1 hour as indicated in the diagram. If SC2128C is selected with 4 hour timer option If SC2128C is selected with 8 hour timer option Tb0=0.5 hour b1=1 hour b2=2 hour b3=4 hour Tb0=1 hour b1=2 hour b2=4 hour b3=8 hour The time schedule is the sum of all ON LEDs. For example, if SC2128C is programmed with 1/2/4/8 hour accumulated timer option, and is Tb0 is ON, Tb1 is OFF, Tb2 is OFF, Tb3 is ON, then the schedule period is 9 hours (1 hr + 9 hr). * Rhythm LED , Sleep LED and Ordinary LED indicate SC2128C operation modes. Operation mode Rhythm LED Sleep LED Ordinary LED ORD (ordinary wind) OFF OFF ON RTM (rhythm wind) ON OFF OFF RSL (rhythm sleep wind) OFF ON OFF * Three LEDs – Low, Middle and Strong – are used to indicate the respective output status of LO, MI, ST output. LED being ON indicates output active (L). LED being OFF indicates output inactive (Z). Only one output among LO, MI and HI may be active at a specific time. * Swing1 LED, Swing2 LED and Light LED indicated respective output status of SO1, SO2, and LIT. 9. TIMER The external timer of SC2128C may be bonding optioned into six (6) configurations as shown. Each pressing of TIMER key will step the internal timer one step up. The actual sequence depends on the TIMER option selected. The following diagrams show the timer sequence for each TIMER option. TIMER automatically counts down as time passes by. The count down sequence reverses the key sequence and is also shown in the following diagrams. : 0.5, 1, 2, 4 hours non-accumulated : 1, 2, 4, 8 hours non-accumulated : 0.5, 1, 2, 4 hours accumulated : 1, 2, 4, 8 hours accumulated : 1, 2, 4 hours non-accumulated : 1, 2, 4 hours accumulated |
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