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MSS0307-1 Datasheet(PDF) 6 Page - Mosel Vitelic, Corp |
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MSS0307-1 Datasheet(HTML) 6 Page - Mosel Vitelic, Corp |
6 / 39 page 6/39 LED sink and drive The LED lamp could be turned on at output pin by sink connection. No drive is provided. Fix Flash slow LED Fix flash slow means this pin turns LED lamp on for t ONL and then turns it off for t ONL alternately. And it truns on LED lamp right at the ramp up starts. It turns off LED lamp right after sound ends. Even within t PL interval, before ramp down starts, the LED lamp is turned off. Fix Flash LED slow & inverse This is similar to "Fix flash slow LED" but inversed within the sound activated period. The inverse means whenever the LED pin turns on the "inverse pin" turns off LED. By this feature, user can specify two LEDs, or more, turns on and off alternately within the sound activated period. Dynamic Flash LED The LED turns on whenever the sound amplitude is over a certain threshold potential. This threshold can be specified per pin per entry. There are three thresholds:17/31, 23/31 and 27/31. Five output pins could have identical thresholds or not. An output pin specified to 17/31 means it could be turned on whenever the sound plays at an amplitude over 54% of full scale output. An output pin specified to 17/31 is easier to turn on than an output pin specified to 23/31. Ring Flash 5 LEDs slow User can specify 5 LEDs ring at slow speed. It means LEDS is turned on for t ONL and then turns off for 4 x t ONL. And cycles. The LEDW turns on right after LEDS turns off. LEDW is turned on for t ONL and then turns off for 4 x t ONL. And cycles. The LEDX turns on right after LEDW turns off. LEDX is turned on for t ONL and then turns off for 4 x t ONL. And cycles. The LEDY turns on right after LEDX turns off. LEDY is turned on for t ONL and then turns off for 4 x t ONL. And cycles. The LEDZ turns on right after LEDY turns off. LEDZ is turned on for t ONL and then turns off for 4 x t ONL. And cycles. This 340 ms t ONL equals 1 over 2.93. Of course, this is valid within sound activated period. This t ONL is sample rate dependent. Ring Flash 4 LEDs slow User can specify 4 LEDs ring at slow speed. It means LEDS is turned on for t ONL and then turns off for 4 x t ONL. And cycles. The LEDW turns on right after LEDS turns off. LEDW is turned on for t ONL and then turns off for 3 x t ONL. And cycles. The LEDX turns on right after LEDW turns off. LEDX is turned on for t ONL and then turns off for 3 x t ONL. And cycles. The LEDY turns on right after LEDX turns off. LEDY is turned on for t ONL and then turns off for 3 x t ONL. And cycles. This 340 ms t ONL equals 1 over 2.93. Of course, this is valid within sound activated period. This t ONL is sample rate dependent. If user needs 4 LED lamps to perform ring flash. These 4 pins are only candidates. Other 4 - lamp combinations are not guaranteed. Ring Flash 3 LEDs slow User can specify 3 LEDs ring at slow speed. It means LEDS is turned on for t ONL and then turns off for 2 x t ONL. And cycles. The LEDW turns on right after LEDS turns off. LEDW is turned on for t ONL and then turns off for 2 x t ONL. And cycles. The LEDX turns on right after LEDW turns off. LEDX is turned on for t ONL and then turns off for 2 x t ONL. And cycles. This 340 ms t ONL equals 1 over 2.93. Of course, this is valid within sound activated period. This t ONL is sample rate dependent. If user needs 3 LED lamps to perform ring flash. These 3 pins are only candidates. Other 3 - lamp combinations are not guaranteed. Ring Flash 3 LEDs slow & inverse User can specify 3 LEDs ring at slow & inverse. It means LEDS is turned off for t ONL and then turns on for 2 x t ONL. And cycles. The LEDW turns off right after LEDS turns on. LEDW is turned off for t ONL and then turns on for 2 x t ONL. And cycles. The LEDX turns off right after LEDW turns on. LEDX is turned off for t ONL and then turns on for 2 x t ONL. And cycles. This 340 ms t ONL equals 1 over 2.93. Of course, this is valid within sound activated period. This t ONL is sample rate dependent. If user needs 3 LED lamps to perform ring flash. These 3 pins are only candidates. Other 3 - lamp combinations are not guaranteed. Ring Flash 4 LEDs slow & inverse User can specify 4 LEDs ring at slow & inverse. It means LEDS is turned off for t ONL and then turns on for 3 x t ONL. And cycles. The LEDW turns off right after LEDS turns on. LEDW is turned off for t ONL and then turns on for 3 x t ONL. And cycles. The LEDX turns off right after LEDW turns on. PID247*** 09/96 MSS0307/S0607/S0907/S1207/S1507/S1807 MOSEL VITELIC INC. Specifications subject to change without notice, contact your sales representatives for the most recent information. (Preliminary) |
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