d. d) (-271)10=2 3 of 4 4. Based on a 3-bit input we would like to output the letters 'A', 'C', 'L', 'H', 'e', 'o', or produce a blank on a seven-segment display. The input to output relationship is provided below. If the 3-bit input is (111)2, the 7-segment display will show the letter 'H'. X Y Z 7-Segment Output 00 0 с 00 1 A 01 0 Blank 01 1 Blank 10 0 Lower case 'c' 10 1 11 Lower case 'o' 0 L 1 1 1 H a. Assuming the 7-segments display is configured in the Common Anode arrangement, complete the following truth table. XY 00 Zabcde 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 11 1 b. Write a Verilog pseudo-code script that will take X, Y, and Z as input and produce the outputs a, b, c, d, e, f, and g. c. We would like to print an encrypted message on a series of equally spaced seven-segment displays that displays "cco Hc CALL". How many displays would be needed? Assuming every display shared a 7-wire input bus for bits labeled a-g, what minimum clock frequency would be required for the user to see the letters without flicker. (Assume flickering is seen if any display refreshes slower than 30 Hz and that mclk = 50 MHz). Please treat the blank as a character. d. Assuming we are using a multiplexer to select the correct character at the correct time, what minimum number of select lines would be required? With this number of select lines, the multiplexer would have how many inputs?
d. d) (-271)10=2 3 of 4 4. Based on a 3-bit input we would like to output the letters 'A', 'C', 'L', 'H', 'e', 'o', or produce a blank on a seven-segment display. The input to output relationship is provided below. If the 3-bit input is (111)2, the 7-segment display will show the letter 'H'. X Y Z 7-Segment Output 00 0 с 00 1 A 01 0 Blank 01 1 Blank 10 0 Lower case 'c' 10 1 11 Lower case 'o' 0 L 1 1 1 H a. Assuming the 7-segments display is configured in the Common Anode arrangement, complete the following truth table. XY 00 Zabcde 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 11 1 b. Write a Verilog pseudo-code script that will take X, Y, and Z as input and produce the outputs a, b, c, d, e, f, and g. c. We would like to print an encrypted message on a series of equally spaced seven-segment displays that displays "cco Hc CALL". How many displays would be needed? Assuming every display shared a 7-wire input bus for bits labeled a-g, what minimum clock frequency would be required for the user to see the letters without flicker. (Assume flickering is seen if any display refreshes slower than 30 Hz and that mclk = 50 MHz). Please treat the blank as a character. d. Assuming we are using a multiplexer to select the correct character at the correct time, what minimum number of select lines would be required? With this number of select lines, the multiplexer would have how many inputs?
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.22P
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Transcribed Image Text:d. d) (-271)10=2
3 of 4
4. Based on a 3-bit input we would like to output the letters 'A', 'C', 'L', 'H', 'e', 'o', or produce a blank
on a seven-segment display. The input to output relationship is provided below. If the 3-bit input is
(111)2, the 7-segment display will show the letter 'H'.
X Y Z
7-Segment Output
00
0
с
00
1
A
01
0
Blank
01 1
Blank
10 0
Lower case 'c'
10 1
11
Lower case 'o'
0
L
1 1 1
H
a. Assuming the 7-segments display is configured in the Common Anode arrangement, complete
the following truth table.
XY
00
Zabcde
0
0 0 1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
11
1
b. Write a Verilog pseudo-code script that will take X, Y, and Z as input and produce the outputs a,
b, c, d, e, f, and g.
c. We would like to print an encrypted message on a series of equally spaced seven-segment displays
that displays "cco Hc CALL". How many displays would be needed? Assuming every display shared
a 7-wire input bus for bits labeled a-g, what minimum clock frequency would be required for the
user to see the letters without flicker. (Assume flickering is seen if any display refreshes slower
than 30 Hz and that mclk = 50 MHz). Please treat the blank as a character.
d. Assuming we are using a multiplexer to select the correct character at the correct time, what
minimum number of select lines would be required? With this number of select lines, the
multiplexer would have how many inputs?
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