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EXPERIMENT #2 (MICROPROCESSOR) BASIC IO AND ARITHMETIC OBJECTIVES To understand the fundamental IO, Arithmetic, and display functions of the 8051 Microcontroller EQUIPMENTS EdSim51 emulator software or equivalent TASK Design / write the necessary program code to perform the following: 1. Consider a Y road junction where two one-way streets merge into one. Determine the sequence of traffic lights changes. 2. As the traffic is always slow at the junction, vehicles from each merging street are only given a few seconds in turn. A countdown from #19 to#14 is displayed using 7- segment displays. 3. Study the schematic diagram of your microcontroller emulator and decide which ports can be used to control your traffic lights, and which ports can be used to display the countdown to the 7-segment displays. 4. Write the code for controlling the sequence of your traffic lights and the countdown display.

          EXPERIMENT #2 (MICROPROCESSOR)
BASIC IO AND ARITHMETIC
OBJECTIVES
To understand the fundamental IO, Arithmetic, and display functions of the 8051
Microcontroller
EQUIPMENTS
EdSim51 emulator software or equivalent
TASK
Design / write the necessary program code to perform the following:
1. Consider a Y road junction where two one-way streets merge into one. Determine the
sequence of traffic lights changes.
2. As the traffic is always slow at the junction, vehicles from each merging street are
only given a few seconds in turn. A countdown from #19 to#14 is displayed using 7-
segment displays.
3. Study the schematic diagram of your microcontroller emulator and decide which ports
can be used to control your traffic lights, and which ports can be used to display the
countdown to the 7-segment displays.
4. Write the code for controlling the sequence of your traffic lights and the countdown
display.

EXPERIMENT #2 (MICROPROCESSOR)
BASIC IO AND ARITHMETIC
OBJECTIVES
To understand the fundamental IO, Arithmetic, and display functions of the 8051
Microcontroller
EQUIPMENTS
EdSim51 emulator software or equivalent
TASK
Design / write the necessary program code to perform the following:
1. Consider a Y road junction where two one-way streets merge into one. Determine the
sequence of traffic lights changes.
2. As the traffic is always slow at the junction, vehicles from each merging street are
only given a few seconds in turn. A countdown from #19 to#14 is displayed using 7-
segment displays.
3. Study the schematic diagram of your microcontroller emulator and decide which ports
can be used to control your traffic lights, and which ports can be used to display the
countdown to the 7-segment displays.
4. Write the code for controlling the sequence of your traffic lights and the countdown
display.

Added by Mario B.

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