تم الحل ✓
categoryهندسة الحاسبات
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
Q/ MicroComputers
Propose the H/W and then write S/W for the
following application which is wanted to be
controlled by a (micro processor).
Design a digital clock for displaying time in hour,
minute and second on a set of (7-segment)
display.
Two Segments for displaying hour, two segments
for displaying minute and then two segments for
displaying second.
For this design, try to use push button switch to
restart time as (00.00.00. If you know that the
maximum current for each Segment is equal to
(10 mA).
Hint:
For this design try to use (8255) with single push
button switch and set of (7-segments displays). In
addition you can use another device that may help
in your design
b
88 88
d
Hour
Minute
g
a
a
b
g
e
C
e
C
d
Second
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