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  • Programming Embedded Systems in Assembly Language vs. High-Level Language

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    John Mulindi
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    Assembly Language Programming Assembly language programming of an embedded system has the following advantages: High-Level Language Programming High-level programming languages like C, C++, Java, and Python are often used in place of Assembly language for programming of microprocessors. They have advantages when compared to Assembly language of being easier to use and that the same…

  • What is an Embedded System?

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    John Mulindi
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    Since this is an ever evolving field with advancement in technology, you will find various definitions of embedded systems out there but what stands out from all of them is that, they are electronic systems that contain either a microprocessor or a microcontroller, but we don’t think of them as computers, because the computer is…

  • PIC16F84 Microcontroller Features

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    John Mulindi
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    PIC16F84 belongs to a class of 8-bit microcontrollers of RISC architecture (i.e. microcontrollers with Reduced Instruction Set Computer). This is a low cost Microchip microcontroller with EEPROM flash memory for program and data storage. It has no built-in Analog to Digital converter (A/D) and Digital to Analog converter (D/A) or serial communication capability. Other PIC…

  • Basic Structure of a Microcontroller

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    John Mulindi
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    A microcontroller is essentially a computer on a chip. It contains a processing unit, ROM, RAM, Serial communication ports, ADCs, etc. In other words, a microcontroller is a computer but without the monitor, keyboard and mouse. They are called microcontrollers because they are small (micro) and because they control machines, gadgets, etc. With a microcontroller…

  • Microprocessors in Mechatronics Systems

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    John Mulindi
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    To make a change in functionality of a digital circuit, the hardware circuitry must be modified and this may require a redesign. For simple design tasks, this might work however in many mechatronic systems; the control tasks may involve complex relationships among many inputs and outputs which makes hardware solution impractical. A more practical, and…