This digital clock can be easily constructed using readily available IC’s and components The block diagram of the digital clock is shown in figure. The basic 1Hz clock pulse signal is obtained from the clock pulse generator using a 4.194304 MHz crystal. It is divided by 60 by the second’s section to produce one clock pulse every minute, which is further divided by 60 to produce one clock every hour. Both the seconds and the minute’s section use divide-by-10 and divide-by-6 counters. The clock pulse from minute’s section is applied to the hour’s section, which is a divided-by-12 counter to control the hour and AM/PM indication with the help of the code converter circuit and the J-K flip-flop. The outputs of all the counters are displayed on 7-segment displays after suitable decoding.
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DIGITAL CLOCK USING DISCRETE IC'S Paper Presentation And PPT
This digital clock can be easily constructed using readily available IC’s and components The block diagram of the digital clock is shown in figure. The basic 1Hz clock pulse signal is obtained from the clock pulse generator using a 4.194304 MHz crystal. It is divided by 60 by the second’s section to produce one clock pulse every minute, which is further divided by 60 to produce one clock every hour. Both the seconds and the minute’s section use divide-by-10 and divide-by-6 counters. The clock pulse from minute’s section is applied to the hour’s section, which is a divided-by-12 counter to control the hour and AM/PM indication with the help of the code converter circuit and the J-K flip-flop. The outputs of all the counters are displayed on 7-segment displays after suitable decoding.
Projects, Thesis, Final Year Projects, IT, MBA, Seminar
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