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I/O Board for the 8051
Gweneth Doran
Advisor: Dr. Donald Schertz

The purpose of this project is to construct an extension I/O board which contains the components necessary to increase the functionality of the Manley Design-51 In-Circuit Emulator with Intel 8051 Microcontroller boards. The current 8051 boards do not provide hardware for interfacing with analog circuits. This severely limits the scope of student projects which use the current boards. The extended board has: an A to D converter, two double-buffered D to A converters, a high current output peripheral driver, a programmable I/O peripheral interface, eight red LEDs, and eight toggle switches. The extended board interfaces with the 8051 via a jumper cable, and the components are accessed by reading or writing to specific memory locations. 

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