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R.J Tocci,“Digital system: principle and application, 4th edition, prentice Hall inc….new Jerscy (1988) Pp 200-257 Karim A.H,”Designing a Microcontroller based Smart Multi Language Learning Word Master”, in International journal of Engineering Science & Technology (IJEST), Vol. 8051 Microcontroller controls every unit and the result is shown to the user through seven segments display. The simulated system displays accurate time of the day, day of the week, its date, month and year. Digit numbers that represent time, date, month, and year were written in assembly language and tested. The system design was achieved by dividing it into five modules namely power supply, 8051 control system, select and set, day and date, digital clock display. This report would enable user to understand the foundational design of the electronic calendar through simulation. Every electronic device is now integrated with the electronic calendar to enable the user to keep time and date anywhere at any time. The emergence of electronic calendar has taken precedence over the paper type. Paper calendar has been in existence and is used manually to keep date of each week of the month every year. This paper presents the design and simulation of Microcontroller based Electronic Calendar using Circuit design suite- MULTISIM. published by seventh sense research group "Design and Simulation of Microcontroller Based Electronic Calendar Using Multisim Circuit Design Software", International Journal of Engineering Trends and Technology (IJETT), V13(8),396-400 July 2014. International Journal of Engineering Trends and Technology (IJETT)Īuthors : Chukwunazo.
Multisim seven segment display software#
That's a "small" amount of memory for a modest modern microcontroller.Design and Simulation of Microcontroller Based Electronic Calendar Using Multisim Circuit Design Software Even if you ended up using 32 bits per table entry for convenience, that's still only 1024 bytes of program memory. That would require a minimum of 21 bits per table entry. Or, the table could even result in the 7-segment values for each digit directly. That means a 8-bit in 10-bit out lookup table solves this problem very simply. Since the highest digit can only be 0,1,2, you actually only need 2 bits for its BCD value. The lookup table could result in the 4-bit BCD values for each digit. Since you only have 256 possible input values, it doesn't need to be large. One brute force but simple approach is to use a lookup table. In the special case of the input value only being 0-255, various shortcuts are possible. Note that this works regardless of how large the original number is. The remainder from each division are the digit values in least to most significant order. One way to generate decimal digits is to keep dividing a number by 10. While it is possible to string together enough dedicated digital logic chips to achieve what you want, a microcontroller is the simplest solution for most cases. This could be successively, like counting, or outright dividing. If you want to convert binary to decimal, you're going to have to do a divide in one form or another.