Question: Write an assembly program for the ATMega 3 2 that does the following: 1 . Display a decimal up - count on 7 - segment
Write an assembly program for the ATMega that does the following:
Display a decimal upcount on segment display connected to Port D
When the count overflows restart from zero; continue forever.
The following restrictions apply:
The segment display is connected in an active high configuration.
Use Timer to implement a visualization delay as follows:
a Timer mode: Normal
b Timer clock source: Prescaler system clock Use prescaler of with assumption system clock
is MHz
c Use polling of the Timer Overflow Flag to implement a second delay.
d This delay routine must be a callable subprogram.
e The subprogram is called when needed from the main loop.
Explicitly Set or Clear bits in the appropriate IO registers. Assume that all bit values are initially wrong.
Structure your program very clearly and logically into blocks of code.
Comment every code block indicating the purpose of the code.
include mdef.inc"
cseg
org x
rjmp setup
org x
;
mydata: db xxxxxxxxxx
enddata:
org x
setup:
Mark breakdown:
MCU setup section
Main loop
Delay subroutine
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