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HT84192 Datasheet(PDF) 28 Page - Holtek Semiconductor Inc |
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HT84192 Datasheet(HTML) 28 Page - Holtek Semiconductor Inc |
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28 / 31 page  Application 7 ¾ Police car This is a full program application example to demonstrate how Easy Format handles a complicated design requirement. All the work is to be done on a single page. There are four input trigger buttons and two output pins to drive two LEDs. · BUTTON #1: Turn ON (START) or OFF the engine. · BUTTON #2: Gas pedal to give ACCELERATION sound from idle and then keep on at a steady running sound. · BUTTON #3: SIREN sound On/Off: toggle ON and toggle Off. · BUTTON #4: BRAKE, triggers deceleration sound and then brings the car to idle. · LEDs OUTPUTs: Blinks in opposite phase when the Siren sound is on. That is when one light is on, the other light is off in an alternating pattern. · TIME OUT REQUIREMENTS: every sound needs to be automatically shut down after a specified period if no more trigger signal is received. Easy FormatTM application example: Police Car flow chart HT84XXX 28 April 26, 2000 ST AR T AC C E L SI R E N BR AK E L1 L2 RUN SI R E N S I RE N+ RU N ST O P ID L E P 32B R A K E P 23A C C E L P 53S I R E N O N P 53S I R E N O F F P 13A C C E L P 14S I R E N O N P 54B R A K E P 41S I R E N O F F P 21S T A R T P 12S T A R T P 25S I R E N O N P 45A C C E L |
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Similar Description - HT84192 |
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