You have access two 7-segment decoder outputs from an existing circuit. These outputs show the numbers...

You have access two 7-segment decoder outputs from an existing circuit. These outputs
show the numbers 00 through 15. Build a circuit to convert the two 7-segment displays,
which display decimal, to one 7- segment display, which displays the correct
hexadecimal number.

Expert Solution

The following chart that details which segments of the display are set ON to generate the ten decimal numerals (0 - 9) and six hexadecimal "letter digits" (A - F) of the hexadecimal number system.

			Segments
Input (Decimal)	Input (Hex)	Output (Hex)	g	f	e	d	c	b	a	Value on Display
0	0x00	0x3F	0	1	1	1	1	1	1	0
1	0x01	0x06	0	0	0	0	1	1	0	1
2	0x02	0x5B	1	0	1	1	0	1	1	2
3	0x03	0x4F	1	0	0	1	1	1	1	3
4	0x04	0x66	1	1	0	0	1	1	0	4
5	0x05	0x6D	1	1	0	1	1	0	1	5
6	0x06	0x7D	1	1	1	1	1	0	1	6
7	0x07	0x07	0	0	0	0	1	1	1	7
8	0x08	0x7F	1	1	1	1	1	1	1	8
9	0x09	0x67	1	1	0	0	1	1	1	9
10	0x0A	0x77	1	1	1	0	1	1	1	A
11	0x0B	0x7C	1	1	1	1	1	0	0	B
12	0x0C	0x39	0	1	1	1	0	0	1	C
13	0x0D	0x5E	1	0	1	1	1	1	0	D
14	0x0E	0x79	1	1	1	1	0	0	1	E
15	0x0F	0x71	1	1	1	0	0	0	1	F

The outputs from Y0 to Y7 are belonged to display the numbers from 0 to 7 and Y8 to Y15 are belonged to display the numbers from 8 to F.

Manojponduru answered 1 year ago

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