Introduction

The role of microcontrollers

The last decade has seen an exciting revolution in the capabilities of microprocessor.Manufacturers have produced 16- & 32- bit processors to answer the needs for even 4 more powerful CPU processing capabilities. Because of their processing power & speed, these processors have found their way into the design of stand-alone products. Microcontroller is another branch in the evolution of microprocessor capability. It is a branch, which manufacturers have been developing with equal vigor. Instead of focusing upon larger word widths & address space, the emphasis here has been upon exceedingly fast real-time control. It has focused upon the integration of the facilities needed to support fast control into a single chip.

The MTK-85 is a low-cost single board computer designed for self-learning the 8085 Microprocessor. The kit enables studying from low level programming with direct machine code entering to high level programming with PC tools easily. A nice feature, single-step running, helps students learn the operation of microprocessor instructions quickly and clearly. The user registers provide simple means to verify the code execution. Using a PC as the terminal, the MTK-85 can receive the Intel hex file and disassemble the machine code into 8085 instructions.

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